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Artykuły w czasopismach na temat "Effet Mohr"
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Uchiyama, Kandai, Sho Otsuka i Seiji Nakagawa. "Effect of cortical activity enhancement on medial olivocochlear reflex". Journal of the Acoustical Society of America 154, nr 4_supplement (1.10.2023): A239. http://dx.doi.org/10.1121/10.0023404.
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The medial olivocochlear reflex (MOCR) is reported to protects the inner ear from acoustic overexposure. It has been shown that MOCR by fluctuations in cognitive function, e.g., attention and expectation. However, the mechanism by which the cortical cognitive processing modulates MOCR has not been clarified. To investigate this mechanism, we compared the variability of cortical activity and MOCR after a mental calculation task that demands widespread cortical network activities. Cortical activity was assessed by measuring slow vertex response (SVR). Although MOCR strength and SVR amplitude did not change significantly after the calculation task, two measures had reverse dependence on the difficulty of the calculation task; A moderately difficult calculation task increased SVR amplitude while reduced MOCR strength. The results implicate that MOCR variations can be attributed to cortical activity changes. In addition, by simultaneously measuring MOCR and EEG during the calculation task, the time course of the effect of the cortical modulatory effect on MOCR was also examined.
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Ip, Chi F., William D. Hibler i Gregory M. Flato. "On the effect of rheology on seasonal sea-ice simulations". Annals of Glaciology 15 (1991): 17–25. http://dx.doi.org/10.3189/1991aog15-1-17-25.
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A generalized numerical model which allows for a variety of non-linear rheologies is developed for the seasonal simulation of sea-ice circulation and thickness. The model is used to investigate the effects (such as the role of shear stress and the existence of a flow rule) of different rheologies on the ice-drift pattern and build-up in the Arctic Basin. Differences in local drift seem to be closely related to the amount of allowable shear stress. Similarities are found between the elliptical and square cases and between the Mohr-Coulomb and cavitating fluid cases. Comparisons between observed and simulated buoy drift are made for several buoy tracks in the Arctic Basin. Correlation coefficients to the observed buoy drift range from 0.83 for the cavitating fluid to 0.86 for the square rheology. The average ratio of buoy-drift distance to average model-drift distance for several buoys is 1.15 (square), 1.18 (elliptical), 1.30 (Mohr-Coulomb) and 1.40 (cavitating fluid).
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Ip, Chi F., William D. Hibler i Gregory M. Flato. "On the effect of rheology on seasonal sea-ice simulations". Annals of Glaciology 15 (1991): 17–25. http://dx.doi.org/10.1017/s0260305500009496.
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A generalized numerical model which allows for a variety of non-linear rheologies is developed for the seasonal simulation of sea-ice circulation and thickness. The model is used to investigate the effects (such as the role of shear stress and the existence of a flow rule) of different rheologies on the ice-drift pattern and build-up in the Arctic Basin. Differences in local drift seem to be closely related to the amount of allowable shear stress. Similarities are found between the elliptical and square cases and between the Mohr-Coulomb and cavitating fluid cases. Comparisons between observed and simulated buoy drift are made for several buoy tracks in the Arctic Basin. Correlation coefficients to the observed buoy drift range from 0.83 for the cavitating fluid to 0.86 for the square rheology. The average ratio of buoy-drift distance to average model-drift distance for several buoys is 1.15 (square), 1.18 (elliptical), 1.30 (Mohr-Coulomb) and 1.40 (cavitating fluid).
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Volkova, N. V., M. I. Belousova, S. D. Tyurin i E. D. Kupriyanova. "Selection of optimal conditions for the spectrophotometric determination of phosphorus in archaeological finds made of cast Iron using reducing agents - ascorbic acid and Mohr salt". Proceedings of the Southwest State University. Series: Engineering and Technology 14, nr 4 (13.12.2024): 153–66. https://doi.org/10.21869/2223-1528-2024-14-4-153-166.
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Purpose of research. The aim of the work was to select conditions for the quantitative spectrophotometric determination of phosphorus in archaeological finds made of Iron using reducing agents - ascorbic acid and Mohr salt.Methods. A fragment of a cast-iron object discovered during archaeological excavations in the Salovsky settlement on the territory of the Penza region was chosen as the object of research. Reagent preparation and spectrophotometric analysis of phosphorus content were carried out in accordance with GOST 2604.4-87 Alloyed cast iron. Methods for the determination of phosphorus. To assess the reliability of the results, errors were identified according to the Smirnov criterion, and to assess the accuracy of the results, the variance, standard deviation and relative standard deviation of the determination of phosphorus content were calculated. To identify the effect of the reducing agent on the results of phosphorus determination, a one-factor analysis of variance was performed.Results. In the course of the work, the conditions for dissolving the samples were selected: the weight of the sample, the required volume of nitric acid, dilution of the samples, the volume of reagents for analysis. An experiment aimed at searching for a reducing agent of the yellow phosphorous-molybdenum complex has demonstrated satisfactory results when using the Mohr salt. The adequacy of replacing ascorbic acid with Mohr salt is proved by the close values of the phosphorus content in the studied samples: using the ascorbic acid reducing agent, the phosphorus content was (1.74.0.15)%, and using Mohr salt (1.72.0.24)%.Conclusion. The results obtained during the study allow us to conclude that the Mohr salt can be used as a reducing agent in the determination of phosphorus in the form of blue heteropolycomplex in iron alloys.
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Djebbar, R., S. B. Beale i M. Sayed. "Numerical Study of Two-Phase Granular Flow for Process Equipment". Journal of Pressure Vessel Technology 122, nr 4 (1.02.2000): 462–68. http://dx.doi.org/10.1115/1.1310366.
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This paper reports on a research program of modeling multi-phase granular flow. Both single-phase granular flow and two-phase liquid/granular flow in a pressure vessel were considered. For the latter case, detailed results based on a viscous/Mohr-Coulomb closure were compared to existing formulations. Idealized test cases indicated that the numerical procedure is sound. Subsequent simulations of two-phase flow using realistic geometries and boundary conditions showed that the pressure distribution in the solid phase is fundamentally different for the Mohr-Coulomb system than for the conventional system. The effect of the angle of internal friction, geometry, and other parameters is discussed. [S0094-9930(00)01204-X]
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Jiang, J. C., R. Baker i T. Yamagami. "The effect of strength envelope nonlinearity on slope stability computations". Canadian Geotechnical Journal 40, nr 2 (1.04.2003): 308–25. http://dx.doi.org/10.1139/t02-111.
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Engineering analysis of slope stability includes three separate but interrelated phases: (a) experimental strength measurements, (b) determination of a strength envelope that best fits the experimental results, and (c) formal limiting equilibrium analysis using the resulting strength envelopes. Studying the interrelations between these phases leads to an integrated approach to slope stability analysis. The present work uses a single experimental database that is fitted with both linear (MohrCoulomb) and nonlinear failure envelopes and investigates the effect of different forms of the failure criterion on slope stability computations for both 2D and 3D problems. It has been indicated that calculated minimum safety factors could be significantly overestimated by the linear approximation of a nonlinear strength envelope. The effect of neglecting strength envelope nonlinearity is more pronounced under 3D conditions than in a 2D simplification. As a result, the use of nonlinear failure criterions in slope stability analyses is recommended to account for the stress-dependent nature of the shear strength of soils.Key words: nonlinear strength envelope, MohrCoulomb failure criterion, limit equilibrium, critical slip surface, minimum factor of safety, three-dimensional stability analysis.
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Hakim, Abi Maulana, Samira Albati Kamaruddin, Andhika Sahadewa, Ramli Nazir i Haris Eko Setyawan. "Effect of Grain Size Distribution on Shear Strength Characteristic of Random Fill Material at Keureuto Dam, Indonesia". Key Engineering Materials 970 (15.12.2023): 151–56. http://dx.doi.org/10.4028/p-h30laq.
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Earth-fill dams are commonly constructed by composing different geomaterials to optimally utilize local natural resources. In Indonesia, random fill materials are frequently used as a major composition in dam construction. The term random fill material originated from its broad range of grain size. Grain size distribution influences shear strength characteristics of geomaterials. There are 2 shear strength equations to model the behavior of fill material, i.e., linear Mohr-Coulomb and non-linear power curve. Two series of large scale in situ direct shear tests were performed at Keureuto Dam, Indonesia. Sieve analysis tests were performed accordingly. The random fill material was composed of cobbles, gravel, and less than 25% of sand. The stress-displacement characteristics of random fill material indicated that plastic deformation occurred at shear strain of 1% to 4%. The shear failure was reached in shear displacements of 60 – 90 mm, equivalent to shear strain of 8% – 12 %. Stress-strain relationships showed a dilative behavior indicating the random fill was in a relatively dense form. The dilatancy tends to decrease as the normal stress increases. The linear Mohr-Coulomb failure criteria and non-linear power curve equation are suggested to characterize the shear strength of the random fill material. To obtain a realistic value of the non-cohesive strength parameter of granular material, the Mohr-Coulomb approach should be intercepted at zero. A relationship between secant friction angles for different normal stresses is presented. This angle tends to decrease at higher normal stresses.
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Wang, Yarlong. "The effect of a nonlinear Mohr–Coulomb criterion on borehole stresses and damage-zone estimate". Canadian Geotechnical Journal 31, nr 1 (1.02.1994): 104–9. http://dx.doi.org/10.1139/t94-011.
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To investigate the possible error introduced by the assumption of a linear Mohr–Coulomb criterion on the stress distribution near a circular opening, a numerical approach is used to calculate both the damage-zone radius and the stresses near a circular opening. A general solution procedure for the stress calculation under a uniform far-field loading is presented and a closed-form solution for the near-opening stresses is given for a cohesionless medium. Based on the numerical results calculated, it is concluded that the linear assumption is acceptable for a strong rock with an unconfined compressive strength that is of similar magnitude to the far-field stress. However, the tangential stress calculated with this linear assumption may be overestimated, but the damage zone may be underestimated in weaker rock or soil such as an oil sand formation. Key words : Mohr–Coulomb criterion, circular opening, nonlinearity, oil sands, Gauss–Legendre method.
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Deng, Shuxin, Yonglai Zheng, Lipo Feng, Le Van Tuan, Cuizhou Yue i Zhuorui Wu. "Analysis of plastic zones in surrounding rocks around a circular tunnel considering the effect of intermediate principal stress and heterogeneity". MATEC Web of Conferences 275 (2019): 03007. http://dx.doi.org/10.1051/matecconf/201927503007.
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Based on a modified Mohr-Coulomb criterion with a non-uniform coefficient, a calculation method of plastic zone boundary of surrounding rocks in a circular tunnel in non-uniform stress field is established. Both the effects of intermediate principal stress and heterogeneity are studied. With the increase of the intermediate principal stress, the plastic zone size of the surrounding rocks will decrease first and then increase. Lateral pressure coefficient has an effect on the shape of the plastic zone. With the increase of lateral pressure coefficient, the plastic zone gradually becomes uniform, and the failure of surrounding rock develops upward and downward from both sides. As non-uniform coefficient increases, the material is more uniform and the effect of intermediate principal stress on the plastic zone is less significant. If the effect of intermediate principal stress is not taken into account, the calculation results tend to be consistent with results calculated by the Mohr-Coulomb criterion, which are considered to be conservative.
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Liu, Yong, Jie Wang, Zhi Jun Zhang i Rong Gui. "Effect on Tailing Dam Stability of Rainfall Infiltration". Advanced Materials Research 842 (listopad 2013): 777–81. http://dx.doi.org/10.4028/www.scientific.net/amr.842.777.
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Flow-deformation coupled unsaturated soil model is built based on rainfall infiltration condition and modified Mohr-Coulomb failure criterion according to modeling a tailing dam with ABAQUS software. A few conclusions are obtained by adopting proper hydraulic curve soil water characteristic curve and compared with actually measures data. Studies yields provide foundations for simulation analysis on tailing dam on the condition of rainfall infiltration.
Rozprawy doktorskie na temat "Effet Mohr"
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Busnel, Pierre. "Développement de modèles thermomécaniques pour la conception optimisée de gyroscopes à fibre optique". Electronic Thesis or Diss., université Paris-Saclay, 2025. http://www.theses.fr/2025UPAST041.
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Cette thèse porte sur la modélisation thermomécanique des gyroscopes à fibre optique (FOG), avec pour objectif d'améliorer la prédiction des biais de mesure d'origine thermique. Une approche multi-échelle est développée pour prédire et comprendre ces biais.Dans un premier temps, le fonctionnement des gyroscopes à fibre optique, basé sur l'effet Sagnac, est présenté, ainsi que l'effet des changements thermiques sur la mesure.Un modèle éléments finis axisymétrique, numériquement coûteux, est développé afin de prédire ces biais thermiques.Un modèle thermomécanique isotrope transverse homogénéisé de la bobine est identifié et utilisé pour la prédiction des biais thermiques. Cette approche, validée expérimentalement, permet une réduction drastique des coûts de calcul.Pour surmonter les limitations du modèle homogène à basse température, un modèle mixte est développé, combinant une description homogène du cœur de la bobine et une description fine de ses bords.Une stratégie de raccordement en moyenne est proposée, offrant un excellent compromis entre précision et efficacité numérique.Pour les bobines désordonnées, où le motif théorique de bobinage n'est pas respecté, une méthode de reconstruction par tomographie aux rayons X est développée, permettant de caractériser leur structure réelle et d'alimenter les modèles thermomécaniques.Ces développements fournissent des outils numériques performants pour la prédiction des biais thermiques dans les FOG, contribuant à l'amélioration de leurs performances en navigation inertielleThis work focuses on the thermomechanical modeling of fiber-optic gyroscopes (FOG), in order to improve the prediction of thermally-induced measurement biases. A multi-scale approach is developed to predict and understand these biases.First, the operation of fiber-optic gyroscopes, based on the Sagnac effect, is presented, along with the effect of thermal changes on the measurement.A numerically expensive axisymmetric finite element model is developed to predict these thermal biases.A homogenized transversely isotropic thermomechanical model of the coil is identified and used to predict thermal biases. This experimentally validated approach enables a drastic reduction in computational costs.A mixed model is developed to overcome the limitations of the homogeneous model at low temperatures, combining a homogeneous description of the bulk of the coil and a fine description of its edges.An averaging coupling strategy is proposed, offering an excellent compromise between accuracy and numerical efficiency.For disordered coils, where the theoretical winding pattern is not respected, an X-ray tomography reconstruction method is developed, enabling us to characterize their real structure and feed the thermomechanical models.These developments provide powerful numerical tools for predicting thermal bias in FOGs, contributing to improving their performances for inertial navigation
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Abrehdary, Majid. "Recovering Moho parameters using gravimetric and seismic data". Doctoral thesis, KTH, Geodesi och satellitpositionering, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-183577.
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Isostasy is a key concept in geoscience to interpret the state of mass balance between the Earth’s crust and mantle. There are four well-known isostatic models: the classical models of Airy/Heiskanen (A/H), Pratt/Hayford (P/H), and Vening Meinesz (VM) and the modern model of Vening Meinesz-Moritz (VMM). The first three models assume a local and regional isostatic compensation, whereas the latter one supposes a global isostatic compensation scheme. A more satisfactory test of isostasy is to determine the Moho interface. The Moho discontinuity (or Moho) is the surface, which marks the boundary between the Earth’s crust and upper mantle. Generally, the Moho interface can be mapped accurately by seismic observations, but limited coverage of seismic data and economic considerations make gravimetric or combined gravimetric-seismic methods a more realistic technique for imaging the Moho interface either regional or global scales. It is the main purpose of this dissertation to investigate an isostatic model with respect to its feasibility to use in recovering the Moho parameters (i.e. Moho depth and Moho density contrast). The study is mostly limited to the VMM model and to the combined approach on regional and global scales. The thesis briefly includes various investigations with the following specific subjects: 1) to investigate the applicability and quality of satellite altimetry data (i.e. marine gravity data) in Moho determination over the oceans using the VMM model, 2) to investigate the need for methodologies using gravimetric data jointly with seismic data (i.e. combined approach) to estimate both the Moho depth and Moho density contrast over regional and global scales, 3) to investigate the spherical terrain correction and its effect on the VMM Moho determination, 4) to investigate the residual isostatic topography (RIT, i.e. difference between actual topography and isostatic topography) and its effect in the VMM Moho estimation, 5) to investigate the application of the lithospheric thermal-pressure correction and its effect on the Moho geometry using the VMM model, 6) Finally, the thesis ends with the application of the classical isostatic models for predicting the geoid height. The main input data used in the VMM model for a Moho recovery is the gravity anomaly/disturbance corrected for the gravitational contributions of mass density variation due in different layers of the Earth’s crust (i.e. stripping gravity corrections) and for the gravity contribution from deeper masses below the crust (i.e. non-isostatic effects). The corrections are computed using the recent seismic crustal model CRUST1.0. Our numerical investigations presented in this thesis demonstrate that 1) the VMM approach is applicable for estimating Moho geometry using a global marine gravity field derived by satellite altimetry and that the possible mean dynamic topography in the marine gravity model does not significantly affect the Moho determination, 2) the combined approach could help in filling-in the gaps in the seismic models and it also provides good fit to other global and regional models more than 90 per cent of the locations, 3) despite the fact that the lateral variation of the crustal depth is rather smooth, the terrain affects the Moho result most significantly in many areas, 4) the application of the RIT correction improves the agreement of our Moho result with some published global Moho models, 5) the application of the lithospheric thermal-pressure correction improves the agreement of VMM Moho model with some other global Moho models, 6) the geoid height cannot be successfully represented by the classical models due to many other gravitational signals from various mass variations within the Earth that affects the geoid.QC 20160317
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Zenteno, Alfredo [Verfasser], i Joseph [Akademischer Betreuer] Mohr. "Galaxy populations in galaxy clusters selected by the Sunyaev-Zeldovich Effect / Alfredo Andrés Zenteno Vivanco. Betreuer: Joseph Mohr". München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://d-nb.info/1052779212/34.
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Gupta, Nikhel [Verfasser], i Joseph [Akademischer Betreuer] Mohr. "High frequency cluster radio galaxies and the Sunyaev-Zel’dovich Effect properties of galaxy clusters / Nikhel Gupta ; Betreuer: Joseph Mohr". München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2018. http://d-nb.info/1154385981/34.
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Gülzow, Jana [Verfasser], Andreas [Akademischer Betreuer] Grohmann, Andreas [Gutachter] Grohmann i Fabian [Gutachter] Mohr. "Ein unerwarteter Effekt der Reaktivitätssteigerung bei Catechol-Oxidase-Modellen / Jana Gülzow ; Gutachter: Andreas Grohmann, Fabian Mohr ; Betreuer: Andreas Grohmann". Berlin : Technische Universität Berlin, 2017. http://d-nb.info/1153353792/34.
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Abuhashish, Mohammed Ahmed. "Effect of MOH health insurance system in the Gaza Strip". Thesis, University of Birmingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422301.
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Maharajan, Ranjit Kumar. "INVESTIGATION OF THE EFFECT OF SWELLING AND SHRINKAGE ON THE WRINKLING RESPONSE OF LOCALLY WETTED PAPERS SUBJECTED TO TENSION WITH APPLICATION TO WEB-FED INK-JET PRINTING". Miami University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=miami1185295870.
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Azizipesteh, Baglo Hamid Reza. "Effect of various mix parameters on the true tensile strength of concrete". Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12560.
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The primary aim of this research was to develop a method for determining the true uniaxial tensile strength of concrete by conducting a series of cylinder splitting, modulus of rupture (MOR) and cylinder/cube compression tests. The main objectives were: • Critically reviewing previous published research in order to identify gaps in current knowledge and understanding, including theoretical and methodological contributions to the true uniaxial tensile strength of concrete. In order to maintain consistency and increase the reliability of the proposed methods, it is essential to review the literature to provide additional data points in order to add additional depth, breathe and rigor to Senussi's investigation (2004). • The design of self compacting concrete (SCC), normal strength concrete (NSC) and high strength concrete (HSC) mixes and undertaking lab-based experimental works for mixing, casting, curing and testing of specimens in order to establish new empirical evidence and data. • Analysing the data, presenting the results, and investigating the application of validity methods as stated by Lin and Raoof (1999) and Senussi (2004). • To draw conclusions including comparison with previous research and literature, including the proposal of new correction factors and recommendations for future research. 29 batches of NSC, 137 batches of HSC, 44 batches of fly ash SCC and 47 batches of GGBS SCC were cast and their hardened and fresh properties were measured. Hardened properties measured included: cylinder splitting strength, MOR, cylinder compressive strength and cube compressive strength. A variety of rheological tests were also applied to characterise the fresh properties of the SCC mixes, including: slump flow, T50, L-box, V-funnel, J-ring and sieve stability. Cylinders were also visually checked after splitting for segregation. The tensile strength of concrete has traditionally been expressed in terms of its compressive strength (e.g. ft = c x c f ). Based on this premise, extensive laboratory testing was conducted to evaluate the tensile strength of the concretes, including the direct tension test and the indirect cylinder splitting and MOR tests. These tests however, do not provide sufficiently accurate results for the true uniaxial tensile strength, due to the results being based upon different test methods. This shortcoming has been overcome by recently developed methods reported by Lin and Raoof (1999) and Senussi (2004) who proposed simple correction factors for the application to the cylinder splitting and MOR test results, with the final outcome providing practically reasonable estimates of the true uniaxial tensile strength of concrete, covering a wide range of concrete compressive strengths 12.57 ≤ fc ≤ 93.82 MPa, as well as a wide range of aggregate types. The current investigation has covered a wide range of ages at testing, from 3 to 91 days. Test data from other sources has also been applied for ages up to 365 days, with the test results reported relating to a variety of mix designs. NSC, SCC and HSC data from the current investigation has shown an encouraging correlation with the previously reported results, hence providing additional wider and deeper empirical evidence for the validity of the recommended correction factors. The results have also demonstrated that the type (size, texture and strength) of aggregate has a negligible effect on the recommended correction factors. The concrete age at testing was demonstrated to have a potentially significant effect on the recommended correction factors. Altering the cement type can also have a significant effect on the hardened properties measured and demonstrated practically noticeable variations on the recommended correction factors. The correction factors proved to be valid regarding the effects of incorporating various blended cements in the HSC and SCC. The NSC, HSC and SCC showed an encouraging correlation with previously reported results, providing additional support, depth, breadth and rigor for the validity of the correction factors recommended.
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Mouheiche, Jinane. "Nouvelles données sur la morphine, son catabolisme et sa protéine de liaison dans le système nerveux central". Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAJ022.
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La morphine constitue l'un des analgésiques les plus utilisés en milieu hospitalier pour soulager les douleurs aiguës et chroniques. Elle exerce ses effets analgésiques en se liant aux récepteurs opioïdes μ (MOR) présents au niveau central et périphérique et possède des effets secondaires, incluant la tolérance, qui limitent son usage à long terme. La première partie de mes travaux avait pour objectif d'étudier le phénomène de tolérance à la morphine et d'en déterminer les mécanismes sous-jacents. A l'heure actuelle, ce phénomène est décrit comme résultant d'une désensibilisation des MOR conduisant à leur endocytose. Nos résultats montrent qu'en cas de tolérance, le catabolisme de la morphine est exacerbé au niveau du système nerveux central. Mes travaux ont également porté sur la caractérisation de la Créatine Kinase (CK) comme étant une protéine liant la morphine à très haute affinité. Nos résultats montrent que la CK possède 2 sites de liaison pour la morphine avec des affinités similaires. En étudiant l'effet potentiel de la CK sur l'analgésie induite par la morphine in vivo, nous avons mis en évidence, que les peptides correspondant aux 2 sites de liaison à la morphine étaient par eux-mêmes analgésiques et que cette analgésie semblait dépendre des récepteurs opioïdesMorphine is one of the most used analgesics in hospitals to relieve acute and chronic pain. Morphine exerts its analgesic effects by binding central and peripheral μ opioid receptors (MORs) and has many side effects that limit its long-term use including tolerance. The first part of my thesis was aimed to study the phenomenon of morphine tolerance and to determine the underlying mechanisms. Previously, this phenomenon was explained as resulting !rom MORs desensitization by endocytosis. However, our results show that in case of tolerance, the catabolism of morphine is exacerbated in the central nervous system in particular in astocytes. The second part of my work has focused on the characterization of the Creatine Kinase (CK) as a novel protein that binds morphine with a high affinity. Our results showed that CK has two binding sites with a similar affinity for morphine. Surprisingly, by studying the potential effect of CK on morphine-induced analgesia in vivo, we noticed that the two peptides corresponding to morphine binding sites are analgesics and such analgesia seems to be mediated by opioid receptors
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Chiang, Chi-Feng, i 江奇峰. "The Study of Anti-fatigue Effect of Sheng Moh Saan on The Rats by All-out Exercise Model". Thesis, 1998. http://ndltd.ncl.edu.tw/handle/71714732541222910141.
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碩士中國醫藥學院
中國醫學研究所
86
The object of this study was to investigate the anti-fatigue effects of Sheng-Moh-Saan on the rats, and methods of random grouping and comparison among groups were adopted. The all-out exercise test was performed after the sixty rats were trained for two weeks. In the test, the all-out time, arterial blood gas, and changes of both the biochemical and electrolyte value were recorded. Then, the results were analyzed by the t-test and nest-design model of SAS statistical software. The results of our study revealed that: (1) The rats taking Sheng-Moh-Saan before or after all-out exercise didn''t make any difference in all-out time. (2) Taking drugs before all-out exercise was found enable to increase LDH, creatinine, and glucose level, while we analyzing the arterial blood gas and biochemical value. It indicated that Sheng-Moh-Saan still had influence on energy-metabolism system of the rats. (3) To the contrary, taking drugs after all-out exercise didn''t make great change on the arterial blood gas and biochemical value. This result didn''t correspond to the application of Sheng-Moh-Saan in the traditional Chinese medicine when treating patients of "Deficiency group" in acute phase, and it needed further investigation.
Książki na temat "Effet Mohr"
Części książek na temat "Effet Mohr"
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Yu, Jian-qiang, Qi Li, Yong-lu Wang i Shuai Tao. "Numerical Simulation of Rockburst Characteristics of Tunnel Surrounding Rock Under Dilatancy Effect". W Advances in Frontier Research on Engineering Structures, 163–73. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8657-4_15.
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AbstractRockburst is one of the most intense reactions in various instability phenomena of underground cavern surrounding rock, which seriously threatens the safety of underground engineering construction personnel and equipment. Based on Mohr–Coulomb strain softening model, the non-associated flow rule is adopted for plastic flow after material yield. By implanting Gu Ming-cheng and Tao Zhen-yu rockburst criterion in the software, the effects of different dilatancy angles on rockburst grade and circumferential stress distribution of surrounding rock of circular tunnel are simulated. The calculation results show that the larger the dilatancy angle is, the more difficult the rock burst pit is to form. The elements of serious rockburst are mainly concentrated in the wall of the tunnel, and the shear bands formed in the high value area of shear strain increment are short. When the dilatancy angle is small, the circumferential stress reaches the maximum at the interface of elastic-plastic zone. With the increase of dilatancy angle, the number of elements entering the plastic state and occurring medium and severe rockburst increases first and then decreases, while the number of elements occurring slight rockburst decreases monotonously. Different dilatancy angles have significant effects on the number of elements occurring rockburst at all levels.
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Lv, Dongbin, Honggang Zhang, Lihao Zeng i Jiechao Lei. "Study on High Temperature Performance of Asphalt Mixture and Correlation of Its Evaluation Indexes". W Lecture Notes in Civil Engineering, 35–47. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_4.
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AbstractIn order to better evaluate the high-temperature performance of asphalt mixture, based on the conventional rutting test and Hamburg rutting test, this paper further studies the influence of temperature, grading and asphalt type on the high-temperature shear resistance of asphalt mixture by using uniaxial penetration test and uniaxial compression test. Based on Mohr Coulomb theory, the cohesive force and internal friction angle of mixture were calculated. Based on the analysis of variance, the significance of the influence of temperature and gradation on the high-temperature shear characteristics was studied. Linear regression analysis was used to reveal the correlation between the fractal dimension treated gradation and the shear resistance characteristics. Finally, the correlation between the high-temperature shear resistance performance index and the high-temperature rutting resistance evaluation index was analyzed. The results show that temperature has a significant effect on cohesion and internal friction angle of gradation pairs, and the fractal dimension Dc of coarse aggregate is positively correlated with cohesion and internal friction angle, with the strongest correlation. It indicates that the high-temperature performance of the mixture can be improved by increasing the passing rate of the sieve hole above 4.75 mm in the grading design. The correlation R2 between cohesive force index and high-temperature rutting resistance index of mixture at 35 ℃ is higher than 0.9, which belongs to extremely strong correlation. The shear resistance index of cohesion at 35 ℃ can be used to characterize the high-temperature rutting resistance of asphalt mixture.
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Thépot Olivier i Frank Roger. "Etude en petites déformations de l'interaction entre une fondation superficielle et une conduite enterrée". W Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2005. https://doi.org/10.3233/978-1-61499-656-9-989.
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Cette communication présente la modélisation par la méthode des éléments finis de l'interaction entre une fondation superficielle et une conduite enterrée. On compare une loi élastoplastique (critère de Mohr-Coulomb) à partie élastique linéaire avec une loi élastoplastique à élasticité non linéaire. On montre que la loi élastoplastique à élasticité linéaire ne permet pas de représenter correctement à la fois le comportement de la fondation et celui de la conduite. En effet, le choix d'un module adapté à la prévision du tassement de la fondation entraîne une sous-estimation importante de la raideur du sol autour de la conduite et, par conséquent, une sur-estimation des contraintes dans la conduite. En revanche, la loi élastoplastique à élasticité non linéaire permet de représenter simultanément la raideur élevée du sol autour de la conduite et la diminution significative de raideur du sol directement sous la fondation. Le recours à l'élasticité non linéaire est donc intéressant dès lors qu'il est possible de déterminer la variation du module avec la déformation et si le chargement est monotone.
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Gonzalez-Molano Nubia A., Vargas-Mendoza Pablo E., Segura-Serra Jose Maria i Lakshmikantha M.R. "Elastoplastic Modelling of the Wellbore Stability on a Carbonate Rock". W From Fundamentals to Applications in Geotechnics. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-603-3-696.
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This paper presents a numerical simulation of the wellbore stability on a Carbonate rock. The behavior of the rock was simulated using a Hyperbolic Mohr-Coulomb (HMC) model which uses a special hardening/softening law and a non-associated plastic flow rule in order to reproduce more closely the rock behavior. With an adequate choice of parameters the model reduces to the well-known Mohr-Coulomb (MC) model. The model was implemented in an in-house finite element code using an explicit stress integration scheme with automatic substepping and error control techniques. Model parameters were calibrated by means of the numerical simulation of available triaxial tests on the Carbonate rock. The influence of different features of rock behavior on the width and depth of the breakout formation or damage zone around the well was investigated. A narrower localized damage zone was observed if a hardening/softening behavior is simulated instead of a perfectly plastic behavior as is the standard assumption in practice. Results highlight the importance to use a realistic representation of the rock behavior in the wellbore stability analysis and their effect on the mud design program.
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Westaway, Rob. "Seismicity at Newdigate, Surrey, during 2018–2019: A Candidate Mechanism Indicating Causation by Nearby Oil Production". W Earthquakes - From Tectonics to Buildings. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.94923.
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During 2018–2019, oil was intermittently produced from the Late Jurassic Upper Portland Sandstone in the Weald Basin, southeast England, via the Horse Hill-1 and Brockham-X2Y wells. Concurrently, a sequence of earthquakes of magnitude ≤3.25 occurred near Newdigate, ∼3 km and ∼8 km from these wells. The pattern, with earthquakes concentrated during production from this Portland reservoir, suggests a cause-and-effect connection. It is proposed that this seismicity occurred on a patch of fault transecting permeable Dinantian limestone, beneath the Jurassic succession of the Weald Basin, hydraulically connected to this reservoir via this permeable fault and the permeable calcite ‘beef’ fabric within the Portland sandstone; oil production depressurizes this reservoir and draws groundwater from the limestone, compacting it and ‘unclamping’ the fault, reaching the Mohr-Coulomb failure criterion and causing seismicity. In principle this model is fully testable, but required data, notably the history of pressure variations in the wells, are not currently in the public domain. Quantitative estimates are, nonetheless, made of the magnitudes of the variations, arising from production from each well, in the state of stress on the seismogenic Newdigate fault. The general principles of this model, including the incorporation of poroelastic effects and effects of fault asperities into Mohr-Coulomb failure calculations, may inform understanding of anthropogenic seismicity in other settings.
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Rankine Leah, Liu Xue C., Tassone Channing, Tarima Sergey, Thometz John i Lyon Roger. "Effect of Trunk Position on Spinal Topography Measurements Using Newly Developed System". W Studies in Health Technology and Informatics. IOS Press, 2010. https://doi.org/10.3233/978-1-60750-573-0-298.
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Introduction: A variety of noninvasive methods of curve analysis, such as Moir photography, Integrated Shape Imaging System (ISIS), and the Quantec Spinal Imaging System (QSIS), were developed. Based upon our experience with the use of QSIS for more than 12 years in clinics, recently we have developed a new userfriendly raster stereography system (Milwaukee Spinal System, MSS).
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Răileanu Ion. "Calculations Versus Measurements of the Diaphragm Wall Trench Stability and of the Deformations". W Advances in Soil Mechanics and Geotechnical Engineering. IOS Press, 2013. https://doi.org/10.3233/978-1-61499-297-4-572.
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The paper reviews different analytical and numerical practical verification methods of trench stability, focusing on the models which take into account tridimensional effects and arching phenomena appearing in the ground. The analytical methods reviewed in this paper, being the basis of the diaphragm wall trench stability comparative calculations, are: plain strain state, arching effect in vertical plane (Schneebeli Method), arching effect in horizontal plane (Piaskowski-Kowalewski and Huder Methods). The numerical calculations presented in this paper were done using the FEM software PLAXIS 3D, considering two soil behavior models: Mohr-Coulomb and Hardening Soil. The paper compares the results of the trench stability calculations for two diaphragm walls with different lengths and the same depth, performed in alluvial soils in Bucharest: 2.7 m and 6.2 m length and a depth of approx. 30 m. For comparison, the results of the inclinometer measurements regarding the displacement of the soil close to the trench are presented.
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Mohd Nazri Wan Abdul Rahman, Wan, Nur Sakinah Mohamed Tamat, Nor Yuziah Mohd Yunus i Jamaludin Kasim. "Size Effect of Core Strands on the Major Physical and Mechanical Properties of Oriented Strand Boards from Fast Growing Tropical Species". W Engineered Wood Products for Construction [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99953.
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Oriented strand board (OSB) is generally used for sheathing in residential walls, floors, and roofs. Because of its low pricing and utilisation of tiny diameter logs from fast-growing trees and thinning logs as raw materials, OSB is anticipated to gain popularity. In chapter, board properties of OSB using smaller strand size of Leucaena leucocephala as core layer had been studied. Small strand size of S3 (length = 75 mm, width = 3.2 to 6.3 mm) was located in the middle layer of the board while bigger strand sizes of S1 (length = 75 mm, width = 12.7 to 19.0 mm) and S2 (length = 75 mm, width = 6.3 to 12.7 mm) were located at the face and back layers. Utilization of smaller strands (S3) in the middle layers may yield boards that have better physical and mechanical properties. Except for MOR in the minor axis, board density and resin content were shown to have a substantial impact on physical and mechanical properties. Except for MOR in the major axis, strand size had little affected on physical and mechanical properties. The effects of board density on mechanical properties were discovered to affect significantly different. With a positive correlation, board density had a significant effect on thickness swelling. Between S1+S3 and S2+S3 strand size, there is no significant effect on bending properties, internal bond strength and thickness swelling. The effect of resin content on bending properties revealed a significant difference of MOR in major axis, as well as MOE values in both major and minor axes. Even when the resin content was as low as 5%, all treatments of OSB passed the general requirement of general purpose OSB.
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Hisham Halalo, Nariman. "Effects of Backfill Types on the Behavior of Buried Concrete Sewerage Pipelines in Soil". W Civil Engineering. IntechOpen, 2024. https://doi.org/10.5772/intechopen.112778.
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Pipelines are commonly buried underground to provide environmental stability, temperature insulation and mechanical protection. Pipelines serve as effective underground infrastructure especially as sewerage pipeline. Today, it is well known that besides the pipe material, the installation procedures have a great effect on the performance of the pipeline in soil. This paper explores the performance of sewerage pipeline installed in different soil according to Syria procedures with compacted and uncompacted backfill materials (ML, CH) and subjected to different loadings to attempt for understanding the effects of backfill types on the behavior of rigid sewerage pipelines using three dimensional finite element approaches (ABAQUS). The effects of different parameters are studied such as, depth of backfill, and backfill compaction. In this model, the material behavior of compacted or uncompacted soil is described using an elastic-plastic constitutive model with Mohr-Coulomb failure criterion. The objectives of the current study are to study the effects of the backfill compaction conditions on the behavior of a buried concrete sewerage pipeline in soil through numerical model.
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Lu Chih-Chieh. "Study of Newmark Sliding Block Method for Rigid Sliding Mass During Asymmetric Dynamic Loading". W Advances in Soil Mechanics and Geotechnical Engineering. IOS Press, 2013. https://doi.org/10.3233/978-1-61499-297-4-27.
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Newmark sliding block method is a popular engineering method to evaluate permanent displacement of rock slope during seismic loading. In practice, a fixed threshold of horizontal seismic coefficient defined by the critical surface subject to factor of safety equal to 1.0 is used to examine the horizontal component of earthquake. The magnitude of displacement is obtained by integrating twice the difference of the applied acceleration and the critical acceleration with respect to time. However, this procedure does not rationally consider the variation of strength of rock mass during seismic loading and effect of vertical component of earthquake. The direction and quantity of displacement based on this approach is unclear. This study proposed modifications to improve the traditional Newmark sliding block method for consideration of the earthquake in horizontal and vertical directions and the variation of strength of Mohr-Coulomb material during earthquake. The proposed framework, compiled in the EXCEL program, is illustrated with an ideal model of sliding block. The yielding results are compared and discussed in this article. The modified analysis procedure is then applied to a real case of dip slope around reservoir in south of Taiwan for safety of reservoir. Satisfactory results are obtained in the demonstration example analyzed with the proposed framework. The effect of vertical earthquake is also discussed by this case.
Streszczenia konferencji na temat "Effet Mohr"
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Rocchini, Gabriele. "pH Influence on Magnetite Stability in Steam Generator Tubes". W CORROSION 1992, 1–14. NACE International, 1992. https://doi.org/10.5006/c1992-92252.
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Abstract Magnetite solubility, as a function of temperature and partial hydrogen pressure and with reference to the typical conditions of the operating fluid of a steam generator of a thermal power plant, has been studied by rigorously solving the problem of chemical equilibria and adopting the scheme proposed by Sweeton and Baes. Stoichiometric calculations have proved that magnetite solubility attains its maximum value, which depends on the characteristics of the electrolytic solution, when temperature is about 100°C, independently of the type of environment. The rigorous pH calculation was carried out using the method of the characteristic function, which can be applied also to complex systems, and assuming that the effect of the ionic strength may be neglected. The main aim of this study, besides helping power plant chemists to select a proper feed water conditioning, was to calculate the pH, on molal basis, of a solution through the best-fitting of its exact values, as a function of ammonia concentration inside the interval [1.E-8, 9.E-3] m with a third-degree logarithmic polynomial. The results, which were obtained in the case of a solution containing NH4OH and H2CO3, demonstrate the validity of this technique which permits us to compute accurately the pH of a fairly complex system. It also allows the correct amount of magnetite dissolution products to be evaluated without considering in detail its chemical equilibria when the solution temperature is above 200 °C. This remark was derived from the pH calculations of an ammonia containing solution, which showed its independence of partial hydrogen pressure in the high temperature region, at least as far as the interval [0,1] atm was concerned. Finally, the determination, at temperatures of 200 °C, 250 °C, 300 °C and 350 °C, of the pH, on molar basis, of a solution, contaminated with sea water so that its acid conductivity was 300 µ mohs/cm, has been performed. These results have shown that the buffering effectiveness of ammonia is negligible when its concentration falls within the interval [1 .E-6, 2.E-5] M, whereas in the range [6.E-5, 3.E-4] M its effect is quite pronounced.
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Xia, Xinbing, Wenxu Huang, Yunhua Guo i Liangjun Wang. "Effect of Bilinear Mohr-Coulomb Model and Tensile-Compression Ratio on Rock Fracture". W 2022 8th International Conference on Hydraulic and Civil Engineering: Deep Space Intelligent Development and Utilization Forum (ICHCE). IEEE, 2022. http://dx.doi.org/10.1109/ichce57331.2022.10042597.
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de Oliveira Cardoso, Carlos, Alvaro Maia da Costa i Rafael Familiar Solano. "HP-HT Pipeline Cyclic Behavior Considering Soil Berms Effect". W 25th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/omae2006-92375.
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This article presents a numerical study for the Petrobras HP-HT pipeline P-53/PRA-1 that will be installed at Marlim Leste field in Campos Basin offshore Brazil. This pipeline will connect P-53 platform in deep-water (1031m) to an Autonomous Platform for Intermediate Pumping (PRA-1) in shallow water (100m). HP-HT pipelines resting on seabed can develop thermal buckling, which is an important concern for the pipeline structural integrity. The aim of this study is to verify the P-53/PRA-1 pipeline behavior during lateral buckling due to thermal cycles and pressure variations, using a new approach for the pipe-soil interaction model in contrast with the traditional Mohr-Coulomb friction model. The pipe-soil interaction model considers soil berms formed due to pipe cyclic displacements, representing different phases of the soil lateral reaction force versus displacement curve: breakout force, suction release, berm formation and residual resistance. The results presented compare the traditional Mohr-Coulomb model with the proposed one for several loads cycles, analyzing displacements, stresses and strains behavior during thermal buckling.
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Yang, Zhenning, Carlton L. Ho, Richard Joy i Nandan C. Dabhade. "Influence of Water Content on the Behavior of Partially Saturated Fouled Ballast". W 2016 Joint Rail Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/jrc2016-5724.
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The water content of fouled ballast is important when considering the shear strength and deformability of the ballast, and therefore critical in evaluating whether the track is at risk of excessive deformations warranting a speed restriction order. Fouled ballast from northeastern United States was tested in the laboratory to assess changes in shear strength and deformability as a function of water content. X-ray fluorescence analysis determined that the fouling material was 95% by weight basalt in origin. No more than 5% of the fouling material could be attributed to the abraded concrete ties. The field capacity of the fouled ballast was measured to be at a water content of 10%. Freezing and thawing tests indicated that approximately 4% of mass loss could be expected as a result of 25 freeze/thaw cycles. 6-inch triaxial tests, TX-CIDC, were conducted on the ballast at water contents between dry and field capacity (10%). As the ballast was partially saturated, volume change was measured using circumferential string potentiometers. The water content had an influence on the shear strength and the modulus of elasticity of the fouled ballast. The Mohr-Coulomb friction angle decreased from 47.3° for the dry ballast to 42.5° for the field capacity ballast. The Mohr-Coulomb cohesion decreased from 3.38 psi to nearly zero with initial addition of water, but increased to 6.18 psi as the water content reached field capacity. This is likely attributable to changes in capillary tension of the partially saturated fouling material. The average shear strength, Mohr-Coulomb friction angle, Mohr-Coulomb cohesion, modulus of elasticity and Poisson’s Ratio all showed weakening and strengthening effect by addition of water.
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Chen, Haohua, Hehua Zhu i Lianyang Zhang. "An Analytical Solution for Deep Circular Tunnels in Rock Based on GZZ Criterion". W 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0668.
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ABSTRACT: Tunnels in rock are often used for transportation, mining, and storage. It is important to perform accurate analysis and design so as to ensure the safety of tunnels during construction and operation. Currently, most of the analysis and design methods of tunnels in rock are based on the Hoek-Brown criterion, which ignores the effect of the intermediate principal stress (i.e., the three-dimensional (3D) strength) and might underestimate the rock strength. In this regard, this paper presents a new analytical solution for deep circular tunnels in rock with consideration of disturbed zone and 3D strength. The rock is assumed to be elastic–brittle– plastic and governed by a 3D Hoek–Brown yield criterion, the newly modified generalized Zhang-Zhu (GZZ) criterion. Based on the equilibrium equation, constitutive law, and large-strain theory, the governing equations for the stresses and radial displacement around the tunnel were derived and solved by using the programming language MATLAB. The proposed solution was validated by using it to analyze a tunnel and comparing the results with those from numerical analysis using commercial software FLAC3D. Finally, extensive parametric studies were performed on tunnels in both poor-quality and good-quality rock masses with a special focus on stresses and radial displacement of the rock mass. The proposed analytical solution can be used for the preliminary analysis and design of tunnels in different rock masses with the consideration of 3D strength. 1. INTRODUCTION Tunnels in rock are often used for transportation, mining, and storage. It is important to perform accurate analysis and design so as to ensure the safety of tunnels during construction and operation. Cavity contraction theory has been used to analyze tunnels by regarding the tunnel as a cylindrical cavity (Mair and Taylor 1993, Wang 1996, Carranza-Torres and Fairhurst 1999, Yu 1999). Early studies on cavity contraction were developed mostly using the linear Mohr-Coulomb criterion (Florence and Scher 1978; Kennedy and Lindberg 1978). To consider the non-linearity of rock, stresses and displacements around a tunnel were analyzed based on the original Hoek-Brown criterion with some simplifying assumptions (Brown et al. 1983; Wang 1996). Later, Carranza-Torres and Fairhurst (1999) presented an analytical solution to the cavity contraction problem in the original Hoek-Brown criterion-based rock mass without additional assumptions, but the elastic-perfectly-plastic behavior of rock mass was considered. Park and Kim (2006) provided a solution to tunnel in an elastic-brittle-plastic rock mass, but the Mohr-Coulomb criterion rather than the Hoek-Brown criterion was adopted as the potential function in their solution. Since both the Mohr-Coulomb and Hoek-Brown criteria are two-dimensional (2D) strength criteria with respect to the major and minor principal stresses, the intermediate principal stress was ignored in the abovementioned solutions. Wang et al. (2012) proposed a more general solution to the cavity contraction problem using the Mohr-Coulomb criterion by considering the out-of-plane stress, and the plastic strain in the out-of-plane direction was simply assumed to be zero. More recently, to consider the large strain around a tunnel, solutions based on the Mohr-Coulomb criterion were presented to analyze excavated tunnels (Park 2014; Zhang et al. 2019).
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Kim, M. C., S. B. Kim i J. W. Hong. "Effect of Powder Types on Mechanical Properties of D-Gun Coatings". W ITSC 1997, redaktor C. C. Berndt. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.itsc1997p0791.
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Abstract Mechanical properties of WC-Co D-Gun coatings produced from various powders were determined by using a four-point bend test equipped with a special device for strain measurements. The MOR(Modulus of Rupture), elastic modulus, fracture strain and toughness were measured from stress-strain curves using the four-point bend tests. The fracture strength values were increased in the order of clad, sintered, agglomerated(no densification), blended and cast & crushed powder coatings. The Co content blended with WC-Co cermet powders significantly increased fracture strain values and decreased elastic modulus values. It was found that the type of powder more significantly influenced the mechanical properties of D-Gun coatings than the composition of powders. The toughness of thermal spray coatings was increased by using WC-Co powders (high MOR) blended with self-fluxing alloy powders (high fracture strain).
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Van Bogaert, Philippe, i Hans De Backer. "The effect of horizontal loads caused by rapidly rising river water on the bearing capacity of masonry arch bridges". W IABSE Symposium, Manchester 2024: Construction’s Role for a World in Emergency. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2024. http://dx.doi.org/10.2749/manchester.2024.0059.
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<p>Many masonry arch bridges have a culturally significant history, as well as aesthetic appeal, as the arch shape adds to a balanced appearance. Some of these arch bridges are crossing rivers, which have fast rising torrent water, especially after winter. The bridge piers are then exposed to horizontal loads from wave impact and debris. These loads can occur several times a year and are therefore not accidental. Numerical simulations of the case of Devil’s Bridge (Bulgaria) demonstrate that nonlinear FE-analysis, on the basis of Mohr-Coulomb’s law, is not entirely fit for this type of structure. Determining the shear strength, after cracking is inaccurate, because of the material’s brittle character. The torrent wave causes such kind of failure, whereas first the debris impact causes local damage, the latter fostering the failure. Therefore, maintenance of stones and joints of such bridges is of capital importance.</p>
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Chen, Guang-xue, Xiao-zhou Li i Xiao-zhou Li. "Study on Moiré Fringe of halftone image and its influence on image optical representation effect". W 2010 3rd International Congress on Image and Signal Processing (CISP). IEEE, 2010. http://dx.doi.org/10.1109/cisp.2010.5648142.
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Mohamad, Nur Ikhwan, Michael C. Rumpf, Erik C.H Tan i Nicholas Garaman Abas. "ACUTE EFFECT OF STANDARDIZED LOAD RESISTANCE TRAINING ON CARDIORESPIRATORY RESPONSES IN RECREATIONALLY ACTIVE PARTICIPANTS". W Movement, Health and Exercise 2014 Conference. Universiti Malaysia Pahang, 2014. http://dx.doi.org/10.15282/mohe.2014.hps.007.
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A. N., Fakhrizal. "FINITE ELEMENT ANALYSIS: THE EFFECT OF RACKET STRUTURAL STIFFNESS TO THE BADMINTON RACKET PERFORMANCE". W Movement, Health and Exercise 2014 Conference. Universiti Malaysia Pahang, 2014. http://dx.doi.org/10.15282/mohe.2014.ses.033.
Pełny tekst źródłaRaporty organizacyjne na temat "Effet Mohr"
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Nenoff, Tina Maria, Patrick Vane Brady, Curtis D. Mowry i Terry J. Garino. AgI-MOR Loading Effect on the Durability of the Sandia Low Temperature Sintering GCM Waste Form. Office of Scientific and Technical Information (OSTI), wrzesień 2014. http://dx.doi.org/10.2172/1171567.
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