Academic literature on the topic 'Static and Fatigue analysis'

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Journal articles on the topic "Static and Fatigue analysis"

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Liao, Shu Hua, Peng Xu, Liang Zhao, Hai Jian Li, and Kun Chen. "Radial Fatigue Analysis of Steel Hub Based on Finite Element Analysis." Applied Mechanics and Materials 513-517 (February 2014): 2620–24. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.2620.

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The fatigue strength of the steel hub is important to the safety of the automotive wheel and the dynamic radial fatigue test is also one of the three performance experiments for evaluating the safety of automotive wheel. This paper applied Abaqus in analyzing the static strength of the 13×4.5B automotive steel hub according to the test requirement of national standard, and to calculate the hubs fatigue life by Fatigue. Compare the FEA result and the test result, find the two results are very closer which proved the correctness of the static strength analysis and the fatigue strength analysis,
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Zhang, Yifan, Yunlei Ma, and Mingyu Liang. "Fatigue Crack Extension and Life Calculation Based on Finite Element Analysis." Highlights in Science, Engineering and Technology 63 (August 8, 2023): 204–9. http://dx.doi.org/10.54097/hset.v63i.10877.

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With compact tension specimen static stress analysis and fatigue life of crack as the research object, through the three-dimensional modeling software to establish compact tension specimen, using the finite element analysis software to sample statics analysis, get the maximum deformation and maximum stress, and the compact tensile samples prefabricated crack, using the fatigue crack propagation analysis software, The cycle times and a-N curves were obtained. This method can be used to calculate the fatigue crack propagation life and visualize the crack propagation process, which is convenient
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Tsivouraki, Niki, Konstantinos Tserpes, and Ioannis Sioutis. "Modelling of Fatigue Delamination Growth and Prediction of Residual Tensile Strength of Thermoplastic Coupons." Materials 17, no. 2 (2024): 362. http://dx.doi.org/10.3390/ma17020362.

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Thermoplastic composites are continuously replacing thermosetting composites in lightweight structures. However, the accomplished work on the fatigue behavior of thermoplastics is quite limited. In the present work, we propose a numerical modeling approach for simulating fatigue delamination growth and predicting the residual tensile strength of quasi-isotropic TC 1225 LM PAEK thermoplastic coupons. The approach was supported and validated by tension and fatigue (non-interrupted and interrupted) tests. Fatigue delamination growth was simulated using a mixed-mode fatigue crack growth model, whi
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Li, Yuhan, Tianrui Zheng, and Ling Xu. "Strength test analysis of intercity locomotive frame." Journal of Physics: Conference Series 2951, no. 1 (2025): 012062. https://doi.org/10.1088/1742-6596/2951/1/012062.

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Abstract The intercity locomotive bogie is a crucial transportation infrastructure component, with the frame serving as a vital load-bearing element. Its mechanical properties significantly influence the support of the car body and ensure the stable operation of locomotive vehicles. To enhance the fatigue reliability of the bogie frame and provide relevant data, this study focuses on analyzing the frame’s strength in both the design and manufacturing stages, based on the bogie of a specific intercity locomotive. The investigation follows the EN13749 and UIC615-4 standards to assess the static
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Ang, Yoon Zuan, and Pei Xuan Ku. "Study on Failure Analysis of Crankshaft Using Finite Element Analysis." MATEC Web of Conferences 335 (2021): 03001. http://dx.doi.org/10.1051/matecconf/202133503001.

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Crankshaft is one of the crucial parts for the internal combustion engine which required effective and precise working. In this study, the aim of the study is to identify the stress state in the crankshaft and to explain the failure in automotive crankshaft and fatigue life of crankshaft by using finite element analysis. The 3D solid modelling of the crankshaft model was designed and developed using SolidWorks. A static structural and dynamic analysis on an L-twin cylinder crankshaft were used to determine the maximum equivalent stress and total deformation at critical locations of the cranksh
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Fan, Wen Xue, and Fu Rong Chen. "Application of Finite Element Software in Fatigue Analysis of the Welded Joints." Advanced Materials Research 337 (September 2011): 372–78. http://dx.doi.org/10.4028/www.scientific.net/amr.337.372.

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Based on the fatigue behaviors of welded structure and the distinction between static fatigue and vibration fatigue and sound fatigue, the general fatigue analysis methods of static fatigue and vibration fatigue are introduced in this paper, such as nominal stress method, structure stress method, hot stress method and power spectral density method. Especially application status and common software of finite element analysis are expounded and analyzed in fatigue analysis of the welded joint. In recent years, finite element technology is applied widely on analysis all kinds of welded joints, the
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Pan, Zhi Yuan, and Ming Yan. "Experimental Investigation and Stress Analysis on Static Fatigue Property of Optical Fiber." Advanced Materials Research 531 (June 2012): 642–46. http://dx.doi.org/10.4028/www.scientific.net/amr.531.642.

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This paper mainly presents experimental investigation and stress analysis on static fatigue property of optical fiber. By analyzing the weibull distribution of experiment, the weibull modulus was obtained. From the weibull distribution, the modulus decreased continuously with the decrease of stress, and a conclusion that experiment distributes discretely can also be drawn. Simultaneously, based on the experiment, we also obtain the feature life of optical fiber in different stress and s-t curve of the static fatigue experiment, as well as the analytical expression of static fatigue .
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Liu, Fangping, Chen Yu, and Wentao Yi. "Study on equivalent static method for the analysis of fatigue behavior of reinforced concrete beam." E3S Web of Conferences 272 (2021): 02018. http://dx.doi.org/10.1051/e3sconf/202127202018.

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In order to analyze the whole process of fatigue behaviours of reinforced concrete beams, an equivalent static analysis method is proposed in this paper. Firstly, the constitutive models based on the degradation of stiffness and strength and the accumulation of residual strain of concrete and reinforcement subjected to fatigue loadings are deduced and established by coupling the uniaxial constitutive model of concrete and the ideal elastic-plastic model of reinforcement under static load. Secondly, based on the similarity of concrete failure under static load and fatigue load, the equivalent r
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Li, Qing Song, and Shao Ping Meng. "The Finite Element Analysis of Fatigue Performance of Precracked Concrete Beams Strengthened with Prestressed CFRP." Advanced Materials Research 250-253 (May 2011): 3320–27. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.3320.

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The research conducts the numerical analysis of the fatigue performance of precracked concrete beams strengthened with prestressed CFRP, establishing the static analysis model (SM) and fatigue analysis model (FM) respectively, examining the change of the static loading and fatigue performance before and after CFRP strengthens precracked concrete beams in the different prestressed situations, and analyzing the relevant fatigue performance parameters through comparing FEM analysis with experimental results. The research results demonstrate that the method of strengthening concrete beams with pre
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Zhuo, Yi, Lina Ma, Sanyuan Li, Shaopu Su, and Lei Li. "Test Study on Strength of Laser Additive Manufacture AF1410 Steel I-Shaped Beam." Journal of Physics: Conference Series 2403, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1742-6596/2403/1/012007.

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Abstract The static and fatigue strength of laser additive manufactured AF1410 steel I-beam were tested by a four-point bending test, and the same method was used to test the conventional forged, machined AF1410 short steel beams. The fatigues test data of both short beams were analyzed by DFR method. The test and analysis results show that the static strength of laser additive short beams is close to conventionally fabricated short beams, and the fatigue performance is weaker than that of forged, machined short beams.
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Dissertations / Theses on the topic "Static and Fatigue analysis"

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Al-Azzawi, Ahmad. "Analysis of static and fatigue damage in aluminium/GFRP hybrid composites." Thesis, Cardiff University, 2017. http://orca.cf.ac.uk/106742/.

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This study has focused on investigating the initiation, propagation and effects of damage in fibre-metal laminates (FMLs) specifically Glare® 4B under buckling, postbuckling and high cycle fatigue through the use of novel numerical and experimental techniques. In terms of numerical analysis, a 3D user-defined cohesive zone model (CZM) has been generated to simulate delamination initiation and growth in specimens under static compressive stresses, using the software Abaqus. The generated models have been validated using a comprehensive literature review in order to gather reliable mechanical pr
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Olsson, Andreas, and Joel Sundström. "Fatigue Analysis of Threaded Holes : A project performed at ÅF using static structural analysis in ANSYS." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-206905.

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The effect of a plain hole on the fatigue properties of a body undergoing uniaxial loading is a well-studied area. However, for the case of threaded holes that are not being used together with a bolt, little can be found in the literature. In this project, stress concentration factors, Ktn, for threaded holes, following the ISO metric standard, have been calculated using finite element models in ANSYS. Based on theser esults, estimations of the fatigue notch factor, Ktf , for the threaded holes were derived. The magnitude of Ktf depends on how the notch sensitivity index, q, is being determine
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Karlsson, Hanna. "Static and Fatigue Analyses of Welded Joints in Thin-Walled Tubes." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-16779.

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Righi, Bento Pereira Rafael. "Dynamic Analysis and Fatigue Assessment of a Jacket-type Offshore Platform." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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This work aims to evaluate the environmental loads and make the fatigue analysis in a Jacket-type platform situated in the North sea.Under this line of thought. Then, a static and a dynamic fatigue analysis are evaluated and compared.
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Obst, Andreas W. "Nonlinear static and transient analysis of generally laminated beams." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10102009-020113/.

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Tsigkourakos, George. "Experimental and numerical analysis of damage in CFRP laminates under static and impact loading conditions." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/13284.

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Engineering composites and especially long fibre carbon composites have been in high demand not only in aerospace and automotive applications, but also in high end everyday applications. In aerospace, carbon composites are used predominantly for secondary structures attached by joints or fasteners to various alloys or even different composites, and are exposed to service loads and repetitive impacting. Impact fatigue (IF) is not studied adequately for long cycles and relevant literature is investigating mainly drop weight tests and high speed projectile experiments. The main aim of this resear
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Khurshid, Mansoor. "Static and fatigue analyses of welded steel structures : some aspects towards lightweight design." Doctoral thesis, KTH, Lättkonstruktioner, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-200829.

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The objectives of this thesis comprise of overcoming the challenges in designing lightweight welded structures such as material selection, choice of fatigue design methods, and increased performance by using improvement techniques. Material selection of welded joints is dependent on the filler and base material strengths. Partially and fully penetrated cruciform and butt welded joints were designed in under-matching, matching, and over-matching filler materials. Base material steel grades were S600MC, S700MC, and S960. Current design rules are developed for welds in steel up to yield strength
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Djukic, Luke Philip Mechanical &amp Manufacturing Engineering Faculty of Engineering UNSW. "Effects of thermal residual stresses on static strength and fatigue life of welded carbon-fibre/epoxy composite joints." Awarded By:University of New South Wales. Mechanical & Manufacturing Engineering, 2010. http://handle.unsw.edu.au/1959.4/44619.

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Thermoset Composite Welding (TCW) is a process designed specifically for joining composite materials, developed by the Cooperative Research Centre for Advanced Composite Structures (CRC-ACS). The TCW manufacture process is carried out at higher temperatures than those used in service, causing thermal residual (TR) stresses to develop in the joints. An investigation of the strength of single-lap shear joints (SLJs), and the development of laminate free edge microcracks (LFEMs) is presented in this thesis. The reported investigations are primarily experimental. Finite element analysis has been u
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Abdelal, Nisrin Rizek. "Effects of Voids on Delamination Behavior Under Static and Fatigue Mode I and Mode II." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1365418463.

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Puigvert, Cobos Francesc. "Analysis of circular bond-type anchorages for prestressing composite rods under quasi-static, fatigue and time-dependent loads." Doctoral thesis, Universitat Politècnica de Catalunya, 2014. http://hdl.handle.net/10803/284216.

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En estructures pretesades sotmeses a ambients corrosius, s'està estudiant la possibilitat de substituir els tendons d’acer per tendons que no pateixin els efectes de la corrosió. En aquest sentit, els materials compostos Fibre Reinforced Polymer (FRP) són una opció duradora en el disseny d'estructures de formigó pretesat degut a les seves altes propietats mecàniques, pes lleuger i alta resistència a la corrosió. No obstant, un dels reptes associats amb aquesta opció es troba en el desenvolupament d'un sistema d'ancoratge adequat per als tendons de FRP . Per això aquesta investigació ha estu
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Books on the topic "Static and Fatigue analysis"

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Allen, David H. Analysis of static contact in laminated composite plates using damage mechanics: Final technical report. NASA Langley Research Center, 1995.

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Center, Langley Research, ed. Analysis of static contact in laminated composite plates using damage mechanics: Final technical report. NASA Langley Research Center, 1995.

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Drăgoi, Cezara, Suvam Mukherjee, and Kedar Namjoshi, eds. Static Analysis. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-88806-0.

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Logozzo, Francesco, and Manuel Fähndrich, eds. Static Analysis. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38856-9.

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Cousot, Radhia, ed. Static Analysis. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-44898-5.

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Cortesi, Agostino, and Gilberto Filé, eds. Static Analysis. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/3-540-48294-6.

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Cousot, Patrick, ed. Static Analysis. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-47764-0.

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Nielson, Hanne Riis, and Gilberto Filé, eds. Static Analysis. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-74061-2.

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Blazy, Sandrine, and Thomas Jensen, eds. Static Analysis. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48288-9.

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Mycroft, Alan, ed. Static Analysis. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/3-540-60360-3.

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Book chapters on the topic "Static and Fatigue analysis"

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Singh, Sudhir Kumar, Tafhim Eqbal, and Vaibhav Gupta. "Static and Fatigue Analysis of Boiler Shell with Circumferential Riveted Joint." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2382-3_12.

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Mostakhdemin, Mohammad, Iraj Sadegh Amiri, and Ardiyansyah Syahrom. "Result and Discussion of Static and Dynamic Analysis of Trabecular Bone." In Multi-axial Fatigue of Trabecular Bone with Respect to Normal Walking. Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-621-8_4.

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Haggui, M., A. El Mahi, Z. Jendli, A. Akrout, and M. Haddar. "Damage Analysis of Flax Fibre/Elium Composite Under Static and Fatigue Testing." In Design and Modeling of Mechanical Systems—III. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66697-6_66.

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Palettas, Panickos N., Prem K. Goel, and Purushottam W. Laud. "Bayesian Modeling For Fatigue Crack Curves." In Survival Analysis: State of the Art. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7983-4_10.

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Sreedhara, H., H. Dineshkumar, and V. R. Ranganath. "Experimental Evaluation of Laminated Carbon Composite Step Lap Repair Through Static and Fatigue Compression Loading." In Fracture Failure Analysis of Fiber Reinforced Polymer Matrix Composites. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0642-7_5.

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Hachi, B. K., S. Rechak, M. Haboussi, M. Taghite, Y. Belkacemi, and G. Maurice. "Analysis of Elliptical Cracks in Static and in Fatigue by Hybridization of Green's Functions." In Damage and Fracture Mechanics. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2669-9_40.

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Jung, Dal Woo, and Nak Sam Choi. "Static and Fatigue Analysis of a Hybrid Joint Part for the Tilting Car Body." In Key Engineering Materials. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-456-1.2860.

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Naresh, R., V. B. S. Rajendra Prasad, and G. Venkata Rao. "Static and Fatigue Analysis of Leaf Spring with EPDM Rubber Sandwiched Between the Steel Leaves." In Learning and Analytics in Intelligent Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24314-2_87.

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Neft, J. F., P. Schwarzer, and K. Schulte. "Influence of quasi lifetime treatments on the static and fatigue durability of continuous glass fiber-reinforced polypropylene." In Recent Developments in Durability Analysis of Composite Systems. CRC Press, 2021. http://dx.doi.org/10.1201/9781003211181-15.

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Barfusz, Oliver, Felix Hötte, Stefanie Reese, and Matthias Haupt. "Pseudo-transient 3D Conjugate Heat Transfer Simulation and Lifetime Prediction of a Rocket Combustion Chamber." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_17.

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Abstract Rocket engine nozzle structures typically fail after a few engine cycles due to the extreme thermomechanical loading near the nozzle throat. In order to obtain an accurate lifetime prediction and to increase the lifetime, a detailed understanding of the thermomechanical behavior and the acting loads is indispensable. The first part is devoted to a thermally coupled simulation (conjugate heat transfer) of a fatigue experiment. The simulation contains a thermal FEM model of the fatigue specimen structure, RANS simulations of nine cooling channel flows and a Flamelet-based RANS simulatio
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Conference papers on the topic "Static and Fatigue analysis"

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Herman, Mélanie, Christian Hochard, Jean-Marc Besson, Jean-Paul Charles, Nassira Boulebbad-Gomez, and Noël Lahellec. "Development of Techniques for Composite Parts Failure Analysis in Static and Fatigue Mode - Application on Thermoset and Thermoplastic Materials for Rotorcraft Main Rotor Hub Analysis." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12887.

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A model defined at the ply scale to predict the failure of laminated composites for static or fatigue loading is proposed. The model describes the loss of strength in the fiber direction for a significant level of transverse damage. This meso-scale model has been characterized on woven ply laminates used for rotorcraft dynamic components, such as glass/epoxy of Starflex®, carbon fiber/epoxy, and carbon fiber/PEEK of H160 main rotor hub. Failure behavior prediction at coupon level has been validated regarding static and fatigue failure mode in tension for epoxy resin woven ply laminates. Charac
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Serate, Duane, Chris Semaka, Kevin Suen, and Jeff Liu. "Oil Sands Haul Truck CAT 797 Frame Cracking Finite Element Analysis (FEA)." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-12704.

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Abstract A study was performed to understand the mechanism of frame cracking on the mining haul trucks in an oilsands' operating site. A static finite element analysis (FEA) was completed to identify the high stress areas prone to cracking, and recommendations for extending the service life were attained through Fatigue Analysis and Brittle Fracture Assessment. In order to perform this FEA, an accurate 3-dimensional (3D) solid model of the truck frame was built by completing a laser scan of the entire truck frame surfaces. External static loads were applied to this generated 3D solid model for
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Lua, Jim, Anisur Rahman, Dinh Pham, and Nam Phan. "A Progressive Damage Model for Fatigue Analysis of Woven Fabric Composites." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12889.

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An efficient two-step progressive damage model has been developed to predict the accumulated damage and fatigue life of woven fabric composite materials. A stress-based failure criterion coupled with a continuum damage approach is employed to predict the damage in fabric materials when loaded up to the desired stress level. Upon fatigue cyclic loading, fatigue damage initiation and propagation in the warp and weft tows, in the matrix constituent and their interfaces are evaluated with S-N based accumulation models characterizing the cycle-dependent strengths in the fiber tows and the matrix su
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Chaperon, Paul, John Sawyer, and Rhys Jones. "Shape optimization of damage tolerant structures for static strength and fatigue life." In 8th Symposium on Multidisciplinary Analysis and Optimization. American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-4781.

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Yao, Yanping. "Static and Fatigue Analysis of a Single Point Mooring Jacket." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-55241.

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StruCAD*3D program is used to perform the static and fatigue analysis of a Single Point Mooring (SPM) jacket in the present paper. The static analysis is conducted for members and joints under operating, extreme, and ice conditions, respectively. Nominal stress for members and punching shear stress for critical joints are checked according to the allowable stress. Deterministic approach is used for the detailed fatigue analysis of this jacket, in which the direct wave loading and high frequency mooring force are linearly combined in one load case, while the low frequency mooring force is treat
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Lu, Zhichao, Huifang Li, and Caifu Qian. "Static and Fatigue Strength Analysis of a Hyperbaric Oxygen Cabin." In 2019 International Conference on Artificial Intelligence and Advanced Manufacturing (AIAM). IEEE, 2019. http://dx.doi.org/10.1109/aiam48774.2019.00141.

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Huang, Yanyan, Chenyang Wang, Yifeng Sun, and Zhikun Jin. "Classifying static muscle fatigue: an surface electromyography signal analysis approach." In 3rd International Conference on Biomedical and Intelligent Systems (IC-BIS 2024), edited by Zulqarnain Baloch and Pier Paolo Piccaluga. SPIE, 2024. http://dx.doi.org/10.1117/12.3036611.

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Habib, Shahroz, Waleed Bin Yousuf, Tariq Mairaj, and Saeed Khalid. "Fatigue Crack Growth prediction on A310 aircraft wing using static analysis." In 2017 14th International Bhurban Conference on Applied Sciences and Technology (IBCAST). IEEE, 2017. http://dx.doi.org/10.1109/ibcast.2017.7868038.

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Duraisivam, S., P. Suresh, A. Saravanan, and E. Jamuna. "Static, fatigue and dynamic analysis of automobile torque arm using FEM." In PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE OF GREEN CIVIL AND ENVIRONMENTAL ENGINEERING (GCEE 2021). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0072723.

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Rezazadeh, Kosar, Liyun Zhu, Yong Bai, and Liang Zhang. "Fatigue Analysis of Multi-Spanning Subsea Pipeline." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20847.

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Free-span occurs normally in pipeline at uneven seabed, dynamic seabed or pipeline crossing. The analysis of free-span, including static analysis and dynamic analysis, is an important subject in the study of pipeline integrity management. Static analysis of free span for subsea pipeline is to evaluate the stress distribution of spanning pipeline in the ultimate conditions, and qualify the stress with design codes in the engineering analysis. However, dynamic analysis of subsea spanning pipeline is much complicated due to VIV fatigue. In 2006 DNV-RP-F105 suggested a methodology of dynamic analy
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Reports on the topic "Static and Fatigue analysis"

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Wang, Yong-Yi. PR-350-174511-R01 Development of Rational Ovality Limits. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011669.

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The present work investigated the implication of ovality on pipes under static collapse and fatigue failure limit states. The impact of key contributors to each limit state was quantified through finite element analysis. The feasibility of a uniform ovality limit was explored. Recommendations were provided on the direction and methodology of future research.
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Eberlein, Robert, and Sven Düzel. Fatigue lifetime analysis of POM gears for generalized tooth root shapes. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.ms.1.

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The current calculation methods for determining the tooth root load capacity of polymer gears (e.g., VDI 2736) are based on the same assumptions as those for steel gears. However, due to the non-linear material behavior, temperature, and rate dependency of polymers, these predictions are often inaccurate. A previous study employed rate-dependent nonlinear viscoplastic finite element (FE) modelling of polyoxymethylene (POM) to quantify material influences not considered in standard metal gear assumptions. A lifetime model was developed and validated to predict tooth root fracture based on rotat
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Ko, Yu-Fu, and Jessica Gonzalez. Effects of Low-Cycle Fatigue Fracture of Longitudinal Reinforcing Steel Bars on the Seismic Performance of Reinforced Concrete Bridge Piers. Mineta Transportation Institute, 2024. http://dx.doi.org/10.31979/mti.2024.2328.

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Earthquakes, which can cause tremendous local stress and strain on infrastructure, can cause reinforced concrete (RC) bridges to collapse due to the concrete cracking and fracture of the steel reinforcement rebars. The fracture of longitudinal reinforcing steel due to low-cycle fatigue is one of the main causes of failure in RC structures under earthquake loading. The purpose of this research is to include the effects of low-cycle fatigue fracture of longitudinal reinforcing steel bars on the seismic performance of reinforced concrete bridge piers. To obtain a greater understanding of low-cycl
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Arumugam, Udayansankar, Mimoun Elboujdaini, Ming Gao, and Ramiro Vanoye. PR-328-133702-R02 F-S Fatigue Testing of Crack-in-Dent with Framework for Life Prediction. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011628.

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ASME B31.8 states that "Dents that contain stress corrosion cracking or other cracks are injurious to the pipeline" and therefore, requires immediate attention by the Operators. Dent containing crack fields (colonies) are often observed in liquid pipelines. The recently completed PRCI research project MD-1N "Study of the Mechanism for Cracking in Dents in a Crude Oil Pipeline" showed evidence of a mechanism for fatigue cracking. The crack growth rate as a function of stress intensity factor was estimated using the measured spacings of fatigue striations from fracture surfaces based on the assu
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Rahbar-Rastegar, Reyhaneh, Gerald Huber, Miguel A. Montoya, Christopher Campbell, and John E. Haddock. Demonstration Project for Asphalt Performance Engineered Mixture Design Testing. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317382.

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The asphalt industry is moving towards performance-based methods for asphalt mixture design. The Federal HighwayAdministration (FHWA) is supportive of state departments of transportations (DOT) adopting index and predictive performance tests, especially those making use of the Asphalt Mixture Performance Tester (AMPT). The FHWA is therefore encouraging state DOTs to gain experience with the requirements of the procedures and analysis tools for Balanced Mixture Design (BMD). The main objective of this study is to evaluate fatigue cracking on three INDOT mainline pavement projects that have asph
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Bryndum. L51854 Integrity Assessment Models-Software for Exposed and Unburied Pipelines in River Channels. Pipeline Research Council International, Inc. (PRCI), 2000. http://dx.doi.org/10.55274/r0011225.

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This guideline and its associated software River-X present a methodology for the assessment of pipeline integrity under hydrodynamic loads and impact loads from floating or moving debris in the river. The software provides a numerical tool with a user-friendly interface for assessing the risk of pipeline failure following the principles outlined in this guideline. The River-X simulates sections of exposed pipeline including the anchoring in the embankment and plastic material behavior for 2 basically different scenarios; an exposed pipeline on/in riverbed and a free spanning pipeline. A quasi-
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Oliver, B., T. Dahlgren, and M. Miller. NEAMS Static Analysis. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1053670.

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Mohanty, S., W. K. Soppet, S. Majumdar, and K. Natesan. June 2013 Update: Status Report on Assessment of Environmentally Assisted Fatigue for LWR Extended Service Conditions. Summary of 1. Room-Temperature Fatigue Test of 316 SS Specimens and Subsequent Data Analysis for Cyclic Plasticity Constitutive Model Development. 2. Other Ongoing Experimental and Mechanistic Modeling Activities. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1110488.

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Sevy, R. H. Quasi-static transient analysis. Office of Scientific and Technical Information (OSTI), 1985. http://dx.doi.org/10.2172/712226.

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Barry, Matthew, Eric Bush, Doug Smith, et al. Static Analysis Numerical Algorithms. Defense Technical Information Center, 2016. http://dx.doi.org/10.21236/ad1008340.

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