Готові списки джерел за темами / Multiaxial damage and failure

Добірка наукової літератури з теми "Multiaxial damage and failure"

Автор: Grafiati
Опубліковано: 21 травня 2022

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Статті в журналах з теми "Multiaxial damage and failure":

1

Socie, D. "Multiaxial Fatigue Damage Models." Journal of Engineering Materials and Technology 109, no. 4 (October 1, 1987): 293–98. http://dx.doi.org/10.1115/1.3225980.

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Two multiaxial fatigue damage models are proposed: a shear strain model for failures that are primarily mode II crack growth and a tensile strain model for failures that are primarily mode I crack growth. The failure mode is shown to be dependent on material, strain range and hydrostatic stress state. Tests to support these models were conducted with Inconel 718, SAE 1045, and AISI Type 304 stainless steel tubular specimens in strain control. Both proportional and non-proportional loading histories were considered. It is shown that the additional cyclic hardening that accompanies out of phase loading cannot be neglected in the fatigue damage model.
2

Lu, Chun, Jiliang Mo, Ruixue Sun, Yuanke Wu, and Zhiyong Fan. "Investigation into Multiaxial Character of Thermomechanical Fatigue Damage on High-Speed Railway Brake Disc." Vehicles 3, no. 2 (June 1, 2021): 287–99. http://dx.doi.org/10.3390/vehicles3020018.

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The multiaxial character of high-speed railway brake disc thermomechanical fatigue damage is studied in this work. Although the amplitudes and distributions of temperature, strain and stress are similar with uniform and rotating loading methods, the multiaxial behavior and out-of-phase failure status can only be revealed by the latter one. With the help of a multiaxial fatigue model, fatigue damage evaluation and fatigue life prediction are implemented, the contribution of a uniaxial fatigue parameter, multiaxial fatigue parameter and out-of-phase failure parameter to the total damage is discussed, and it is found that using the amplitude and distribution of temperature, stress and strain for fatigue evaluation will lead to an underestimation of brake disc thermomechanical fatigue damage. The results indicate that the brake disc thermomechanical fatigue damage belongs to a type of multiaxial fatigue. Using a uniaxial fatigue parameter causes around 14% underestimation of fatigue damage, while employing a multiaxial fatigue parameter without the consideration of out-of-phase failure will lead to an underestimation of about 5%. This work explains the importance of studying the thermomechanical fatigue damage of the brake disc from the perspective of multiaxial fatigue.
3

Ellyin, F., and K. Golos. "Multiaxial Fatigue Damage Criterion." Journal of Engineering Materials and Technology 110, no. 1 (January 1, 1988): 63–68. http://dx.doi.org/10.1115/1.3226012.

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A multiaxial fatigue failure criterion is proposed based on the strain energy density damage law. The proposed criterion is hydrostatic pressure sensitive; includes the effect of the mean stress, and applies to materials which do not obey the idealized Masing type description. The material constants can be evaluated from two simple test results, e.g., uniaxial tension, and torsion fatigue tests. The predicted results are compared with biaxial tests and the agreement is found to be fairly good. A desirable feature of this criterion is its unifying nature for both short and long cyclic lives. It is also consistent with the crack initiation and propagation phases of the fatigue life, in the sense that both of these phases can be related to the strain energy density either locally or globally.
4

Liu, Jianhui, Xin Lv, Yaobing Wei, Xuemei Pan, Yifan Jin, and Youliang Wang. "A novel model for low-cycle multiaxial fatigue life prediction based on the critical plane-damage parameter." Science Progress 103, no. 3 (July 2020): 003685042093622. http://dx.doi.org/10.1177/0036850420936220.

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Multiaxial fatigue of the components is a very complex behavior. This analyzes the multiaxial fatigue failure mechanism, reviews and compares the advantages and disadvantages of the classic model. The fatigue failure mechanism and fatigue life under multiaxial loading are derived through theoretical analysis and formulas, and finally verified with the results of multiaxial fatigue tests. The model of multiaxial fatigue life for low-cycle fatigue life prediction model not only improves the prediction accuracy of the classic model, but also considers the effects of non-proportional additional hardening phenomena and fatigue failure modes. The model is proved to be effective in low-cycle fatigue life prediction under different loading paths and types for different materials. Compared with the other three classical models, the proposed model has higher life prediction accuracy and good engineering applicability.
5

Zheng, Shan Suo, Wen Yong Li, Qing Lin Tao, and Yu Fan. "A Multiaxial Damage Statistic Constitutive Model for Concrete." Applied Mechanics and Materials 166-169 (May 2012): 56–59. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.56.

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In order to apply the uniaxial damage evolution equation that established with the variable of strain to the multiaxial damage quantitative analysis, this paper bases on the Hsieh-Tang-Chen four-parameter failure criterion and adopts the way of making the triaxial equivalent strain combining with the uniaxial damage evolution equation to analyze and deduce the uniaxial damage evolution equation of SRHSHPC, and which is expanded to multiaxial condition as well. A function considered triaxial stress state and a related correction value are suggested, then, improving the damage evolution equation from triaxial to multiaxial form, finally proposing the multiaxial damage statistic constitutive equation for concrete, taking numerical simulation with the complete decoupling method and the result shows that the model is effective.
6

Habtour, Ed, William (Skip) Connon, Michael F. Pohland, Samuel C. Stanton, Mark Paulus, and Abhijit Dasgupta. "Review of Response and Damage of Linear and Nonlinear Systems under Multiaxial Vibration." Shock and Vibration 2014 (2014): 1–21. http://dx.doi.org/10.1155/2014/294271.

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A review of past and recent developments in multiaxial excitation of linear and nonlinear structures is presented. The objective is to review some of the basic approaches used in the analytical and experimental methods for kinematic and dynamic analysis of flexible mechanical systems, and to identify future directions in this research area. In addition, comparison between uniaxial and multiaxial excitations and their impact on a structure’s life-cycles is provided. The importance of understanding failure mechanisms in complex structures has led to the development of a vast range of theoretical, numerical, and experimental techniques to address complex dynamical effects. Therefore, it is imperative to identify the failure mechanisms of structures through experimental and virtual failure assessment based on correctly identified dynamic loads. For that reason, techniques for mapping the dynamic loads to fatigue were provided. Future research areas in structural dynamics due to multiaxial excitation are identified as (i) effect of dynamic couplings, (ii) modal interaction, (iii) modal identification and experimental methods for flexible structures, and (iv) computational models for large deformation in response to multiaxial excitation.
7

Mao, Xue Ping, Yang Yu, Chao Li, Sai Dong Huang, Hong Xu, and Yong Zhong Ni. "Study on Creep Behaviors of T92 Steel under Multiaxial Stress State." Advanced Materials Research 860-863 (December 2013): 774–79. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.774.

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Creep tests for smooth specimens and notched specimens of T92 steel were carried out to study the effect of multiaxial stress state on creep rupture behaviors at 650°C. Creep rupture life was estimated by representative stress at multiaxial state of stress, the failure behavior of multiaxial creep was analyzed, and Kachanov creep damage formula was used to analyze the experimental data. The results show that the notch strengthens rupture life, multiaxial rupture behavior is controlled by mixed parameters, the creep ductility of the smooth and notched specimen decreases with rupture time, and damage factors of the smooth specimen and notched specimen are similar according to Kachanov formula.
8

Santecchia, E., A. M. S. Hamouda, F. Musharavati, E. Zalnezhad, M. Cabibbo, M. El Mehtedi, and S. Spigarelli. "A Review on Fatigue Life Prediction Methods for Metals." Advances in Materials Science and Engineering 2016 (2016): 1–26. http://dx.doi.org/10.1155/2016/9573524.

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Metallic materials are extensively used in engineering structures and fatigue failure is one of the most common failure modes of metal structures. Fatigue phenomena occur when a material is subjected to fluctuating stresses and strains, which lead to failure due to damage accumulation. Different methods, including the Palmgren-Miner linear damage rule- (LDR-) based, multiaxial and variable amplitude loading, stochastic-based, energy-based, and continuum damage mechanics methods, forecast fatigue life. This paper reviews fatigue life prediction techniques for metallic materials. An ideal fatigue life prediction model should include the main features of those already established methods, and its implementation in simulation systems could help engineers and scientists in different applications. In conclusion, LDR-based, multiaxial and variable amplitude loading, stochastic-based, continuum damage mechanics, and energy-based methods are easy, realistic, microstructure dependent, well timed, and damage connected, respectively, for the ideal prediction model.
9

Karolczuk, Aleksander, and Ewald Macha. "Critical Planes in Multiaxial Fatigue." Materials Science Forum 482 (April 2005): 109–14. http://dx.doi.org/10.4028/www.scientific.net/msf.482.109.

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The paper includes a review of literature on the multiaxial fatigue failure criteria based on the critical plane concept. The criteria were divided into three groups according to the distinguished fatigue damage parameter used in the criterion, i.e. (i) stress, (ii) strain and (iii) strain energy density criteria. Each criterion was described mainly by the applied the critical plane position. The multiaxial fatigue criteria based on two critical planes seem to be the most promising. These two critical planes are determined by different fatigue damage mechanisms (shear and tensile mechanisms).
10

Ellyin, Fernand. "Multiaxial Fatigue--A Perspective." Key Engineering Materials 345-346 (August 2007): 205–10. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.205.

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Research on the fatigue resistance of mechanical components/structures has been proceeding for nearly a century and a half. Yet, there is no universally agreed upon theory that can predict most aspects of fatigue failure. The reason is the complexity of phenomenon and its dependence on the microstructure. Here, we present a strain energy based damage parameter which has an underlying microscopic basis. A master life curve is subsequently defined which correlates very well with experimental data.
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Статті в журналах Дисертації Книги

Дисертації з теми "Multiaxial damage and failure":

1

Amaya, Peter. "Progressive Damage and Failure Model for Composite Laminates under Multiaxial Loading Conditions." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1338381439.

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2

Tamoud, Abderrahman. "Mécanique multi-échelle et multiaxiale des composites souples multicouches : application à l'annulus fibrosus humain." Thesis, Université de Lille (2018-2021), 2021. https://pepite-depot.univ-lille.fr/ToutIDP/EDENGSYS/2021/2021LILUN034.pdf.

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L’endommagement dans les tissus souples de l'annulus fibrosus est un phénomène multi-échelle complexe dû à un arrangement structural complexe du réseau de collagène à différentes échelles d'organisation hiérarchique. Une représentation constitutive entièrement tridimensionnelle, considérant la variation régionale de la complexité structurale, n'a pas encore été développée, pour estimer la mécanique multiaxiale de l'annulus jusqu'à la rupture. Dans la présente thèse de doctorat, un modèle, formulé dans le cadre de la mécanique non linéaire des milieux continues, est développé pour prédire l’endommagement et la rupture de l'annulus induits par la déformation sous des histoires de chargements multiaxiaux en considérant comme processus physique dépendant du temps à la fois les effets volumétriques induits chimiquement et l'accumulation de l’endommagement.Dans une première partie, un modèle basé sur la microstructure est proposé pour relier les caractéristiques structurales aux propriétés mécaniques intrinsèques et électrochimiques des tissus souples de l'annulus. Le modèle lamellaire/interlamellaire multicouche est construit en considérant les interactions effectives entre les couches adjacentes et la contrainte volumétrique induite chimiquement. La comparaison modèle/expériences démontre que l'évaluation de la réponse globale dépendante du temps implique de considérer simultanément la contrainte, le changement volumétrique et la caractéristique auxétique en relation avec les caractéristiques structurales.Dans une deuxième partie, le modèle est enrichi en considérant la structure hiérarchique des tissus souples depuis les fibrilles de collagène de taille nanométrique jusqu'aux fibres de collagène orientées de taille microscopique. Le processus stochastique d'événements progressifs d’endommagement, opérant à différentes échelles de la phase solide, est introduit pour la matrice extracellulaire, les fibres microscopiques et le réseau de fibrilles nanométriques. Les effets directionnels sur la réponse mécanique et la rupture de l’annulus sont mis en évidence en relation avec le mode de chargement externe, les caractéristiques de la structure, les événements d'endommagement et l'hydratation.Dans une troisième partie, le modèle est développé en considérant la variation régionale de l'organisation structurale complexe du réseau de collagène à différentes échelles pour prédire l’endommagement multiaxial anisotrope régional du disque intervertébral. Après identification du modèle à l'aide de lamelles simples extraites de différentes régions du disque, le caractère prédictif du modèle est vérifié pour divers modes de chargement élémentaires multiaxiaux représentatifs du mouvement de la colonne vertébrale. Les étirements dans les directions circonférentielle et radiale jusqu'à la rupture ont servi à vérifier les capacités prédictives du modèle pour les différentes régions. Les résultats du modèle sous cisaillement simple, étirement biaxial et compression en déformation plane sont également présentés et discutés.Dans une quatrième partie, un modèle de disque humain complet est construit afin d’examiner la mécanique hétérogène dans le cœur du disque. Les champs d'endommagement au sein du disque sont analysés, sous compression axiale, torsion axiale et chargements combinés, afin d’évaluer les zones où le risque de rupture est le plus élevé
The damage in annulus fibrosus soft tissues is a complex multiscale phenomenon due to a complex structural arrangement of collagen network at different scales of hierarchical organization. A fully three-dimensional constitutive representation that considers the regional variation of the structural complexity to estimate annulus multiaxial mechanics till failure has not yet been developed. In the present PhD dissertation, a model, formulated within the framework of nonlinear continuum mechanics, is developed to predict deformation-induced damage and failure of annulus under multiaxial loading histories considering as time-dependent physical process both chemical-induced volumetric effects and damage accumulation.In a first part, a microstructure-based model is proposed to connect structural features, intrinsic mechanics and electro-chemical properties of annulus soft tissues. The multi-layered lamellar/inter-lamellar annulus model is constructed by considering the effective interactions between adjacent layers and the chemical-induced volumetric strain. The model/experiments comparison demonstrates that the evaluation of the overall time-dependent response involves considering stress, volumetric change and auxetic feature simultaneously in relation to structural features.In a second part, the model is enriched by considering the hierarchical structure of the soft tissue from the nano-sized collagen fibrils to the micro-sized oriented collagen fibers. The stochastic process of progressive damage events operating at different scales of the solid phase is introduced for the extracellular matrix and the network of nano-sized fibrils/micro-sized fibers. The directional effects on annulus mechanics and failure are highlighted in relation to external loading mode, structure features, damage events and hydration.In a third part, the model is further developed by considering the regional variation of the complex structural organization of collagen network at different scales to predict the regional anisotropic multiaxial damage of the intervertebral disc. After model identification using single lamellae extracted from different disc regions, the model predictability is verified for various multiaxial elementary loading modes representative of the spine movement. The stretching along the circumferential and radial directions till failure serves to check the predictive capacities of the annulus model for the different regions. Model results under simple shear, biaxial stretching and plane-strain compression are further presented and discussed.In a fourth part, a full human disc model is constructed using the regional annulus model to examine the heterogeneous mechanics in the disc core. Damage fields in the disc are analyzed under axial compression, axial twist and combined loadings to assess the areas where the risk of failure is the highest
3

Triantafillou, Thanasis C. (Thanasis Christos). "Multiaxial failure criteria for celluar materials." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/14315.

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4

Swalla, Dana Ray. "Fretting fatigue damage prediction using multiaxial fatigue criteria." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/17033.

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5

Chen, Weinong Ravichandran G. "Dynamic failure behavior of ceramics under multiaxial compression /." Diss., Pasadena, Calif. : California Institute of Technology, 1995. http://resolver.caltech.edu/CaltechETD:etd-11032003-101839.

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6

Juneja, Lokesh Kumar. "Multiaxial fatigue damage model for random amplitude loading histories." Thesis, Virginia Tech, 1992. http://hdl.handle.net/10919/41522.

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In spite of many multiaxial fatigue life prediction methods proposed over decades of research, no universally accepted approach yet exists. A multiaxial fatigue damage model developed for approximately proportional random amplitude loading is proposed in this study. A normal strain based analysis incorporating the multiaxial state of stress is conducted along a critical orientation assuming a constant strain ratio. The dominant deformation direction is chosen to be the critical orientation which is selected with the help of a principal strain histogram generated from the given multiaxial loading history. The uniaxial cyclic stress-strain curve is modified for the biaxial state of stress present along the critical orientation for the plane stress conditions. Modified versions of Morrow's and of Smith, Watson, and Topper's (SWT) mean-stress models are used to incorporate mean stresses. A maximum shear strain based analysis is, in addition, conducted to check for the shear dominant fatigue crack growth possibility along the critical direction. The most damaging maximum shear strain is chosen after analyzing the in-plane and the two out-of-plane shear strains.

The minimum of the two life values obtained from SWT model and the shear strain model is compared with the life estimated by the proposed model with the modified Morrow's mean stress model. The former is essentially the life predicted by Socie. The results of the proposed model, as reduced to the uniaxial case, are also compared with the experimental data obtained by conducting one-channel random amplitude loading history experiments.
Master of Science

7

Suman, Sandip Kumar. "Nonlinear Fatigue Damage Accumulation in Aircraft Engine Alloys Multiaxial Loading." Diss., North Dakota State University, 2013. https://hdl.handle.net/10365/26885.

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Fatigue is considered to be one of the most frequent phenomena in the failure of many machine parts. Most of the prior studies on fatigue have been limited to uniaxial loading cases with a primary focus on constant amplitude cycles. A detailed exploration of multiaxial fatigue under constant and variable amplitude loading scenarios for a wide variety of aircraft engine alloys has been performed in this study, and a new methodology for the accurate prediction of fatigue damage is developed. A critical-plane based constant amplitude fatigue damage model has been developed in this study which is simple in comparison to prior models developed by other researchers and reduces the computational effort. The constant amplitude fatigue damage model is further used in the development of a multiaxial variable amplitude damage estimation method, with an emphasis on estimating the damage created by both low cycle fatigue (LCF) and high cycle fatigue (HCF) cycles. A significant increase in overall fatigue damage was observed in the tests with the introduction of HCF cycles in the mission histories. The damage due to the HCF cycles has been found to be much greater than predicted by linear damage accumulation theories, although the degree of interaction between the LCF and HCF cycles was found to be very dependent on the multiaxial load paths. In addition, the HCF cycles did not contribute significantly to the accumulation of damage until a certain amount of ?pre-damage? had been caused by the LCF cycles. Separate HCF damage computing approaches have been adopted in this study to accurately compute the damage produced by tensile and shear dominant HCF cycles, and a significant improvement in the accuracy of fatigue life prediction has been achieved using the new methodology.
General Electric (Aviation)
Airforce Office of Scientific Research
8

Schmitt, James Tyler. "Damage initiation and post-damage response of composite laminates by multiaxial testing and nonlinear optimization." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/schmitt/SchmittJ1208.pdf.

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Fiber reinforced plastics are increasingly being used in the construction of primary structures in the aerospace and energy industries. While their elastic behavior and fatigue response have been the subject of considerable research, less is known about the performance of continuous fiber composites following initial damage. Several competing models for the post-damage response of orthotropic composite materials are explored in this thesis. Each of these models includes only the in-plane loads experienced by the material and characterizes damage based on the local state of strain. Starting with previous work performed at the Naval Research Laboratory and at MSU, the energy dissipated in multiaxially loaded coupons was used to optimize an empirical function that relates the three in-plane strains to the local dissipated energy density. This function was used to approximate a three dimensional damage initiation envelope as well as to quantify the severity of damage following first ply failure in a fiberglass laminate. Carbon fiber reinforced epoxy was characterized using an assumed bilinear constitutive response. The elastic properties of the material were first optimized to minimize deviation from experimental data and then the necessary coefficients for a per-axis strain softening response were found using a similar optimization. This model provides detailed insight into the residual strength of significantly damaged material, as well as dissipated energy as a direct consequence. To facilitate the need of these models for diverse local in-plane loading configurations, the MSU In-Plane Loader (IPL) was utilized. The tests performed in the IPL for this thesis were instrumental in validating a new image-correlation-based displacement monitoring system.
9

Ho, Kwang-Il. "An anisotropic continuum damage model for creep-dominated, multiaxial loading histories." Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/20043.

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10

Searle, Andrew Arthur. "The creep and failure of engineering ceramics under multiaxial states of stress." Thesis, University of Leicester, 1993. http://hdl.handle.net/2381/34827.

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The effort dedicated to developing the material properties of engineering ceramics has not been accompanied by a similar effort in developing design methods that would allow engineers to make full use of these materials. In particular the high temperature creep behaviour of engineering ceramics has received little attention. In this thesis two parallel approaches, one theoretical and one practical, have been taken towards the final aim of constructing design codes for the creep of ceramic materials. In the theoretical work the principles developed for modelling creep and failure in metals were employed and adapted where necessary to provide new models that describe the behaviour of ceramics under multiaxial stresses. Important changes were made to account for differences in microstructure between these two classes of materials. In the practical work equipment was developed to provide suitable multiaxial creep test data with which to verify and further construct models. This involved the construction of a tension/torsion creep testing machine featuring a radio-frequency heating furnace, cooled grip heads, extensometry equipment, biaxial loading system and a temperature measurement and control system. The machine was capable of operating for at least 300 hours at a temperature of at least 1400 °C. Nine creep tests were conducted on reaction bonded silicon nitride specimens including two unique tests under pure torsion and combined tension/torsion. Four tests were conducted on aluminium oxide specimens including a unique test under combined tension/torsion. Tensile test results showed good agreement with previously published data for both materials confirming the equipment accuracy. Results from the multiaxial tests indicated that reaction bonded silicon nitride fails in response to the value of the effective stress. In addition reasonable agreement was obtained between the test data and predictions from the new models.
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Книги з теми "Multiaxial damage and failure":

1

Altenbach, Holm, and Tomasz Sadowski, eds. Failure and Damage Analysis of Advanced Materials. Vienna: Springer Vienna, 2015. http://dx.doi.org/10.1007/978-3-7091-1835-1.

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2

Jones, David J. Cyclic fatigue damage characteristics observed for simple loadings extended to multiaxial life prediction. Cleveland, Ohio: Lewis Research Center, 1988.

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3

Beese, Allison M., Alan T. Zehnder, and Shuman Xia, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 8. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-21611-9.

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4

Carroll, Jay, Shuman Xia, Alison M. Beese, Ryan B. Berke, and Garrett J. Pataky, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 7. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-62831-8.

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5

Skrzypek, Jacek J., and Artur Ganczarski. Modeling of Material Damage and Failure of Structures. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-540-69637-7.

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6

Carroll, Jay, and Samantha Daly, eds. Fracture, Fatigue, Failure, and Damage Evolution, Volume 5. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06977-7.

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7

Zehnder, Alan T., Jay Carroll, Kavan Hazeli, Ryan B. Berke, Garrett Pataky, Matthew Cavalli, Alison M. Beese, and Shuman Xia, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 8. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-42195-7.

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8

Carroll, Jay, Shuman Xia, Allison M. Beese, Ryan B. Berke, and Garrett J. Pataky, eds. Fracture, Fatigue, Failure and Damage Evolution, Volume 6. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-95879-8.

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9

Xia, Shuman, Allison Beese, and Ryan B. Berke, eds. Fracture, Fatigue, Failure and Damage Evolution , Volume 3. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60959-7.

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10

Altus, E. Foundation of a mechano-chemical fatigue theory (MCFT). Downsview, Ont: Institute for Aerospace Studies, 1989.

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Частини книг з теми "Multiaxial damage and failure":

1

Ellyin, Fernand. "Fatigue failure under multiaxial states of stress." In Fatigue Damage, Crack Growth and Life Prediction, 145–78. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1509-1_4.

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2

Habtour, Ed, Abhijit Dasgupta, and Sabrina Vantadori. "Cross-Axis Coupling and Phase Angle Effects Due to Multiaxial Vibration." In Fracture, Fatigue, Failure and Damage Evolution, Volume 7, 95–97. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62831-8_13.

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3

Thomas, Frank David, Stephen L. Alexander, C. Allan Gunnarsson, Tusit Weerasooriya, and Subramani Sockalingam. "Influence of Dynamic Multiaxial Transverse Loading on Dyneema® SK76 Single Fiber Failure." In Fracture, Fatigue, Failure and Damage Evolution , Volume 3, 85–92. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60959-7_14.

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4

Brown, M. W. "Multiaxial Fatigue Failure." In Advances in Fatigue Science and Technology, 339–61. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2277-8_14.

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5

Munz, Dietrich, and Theo Fett. "Multiaxial Failure Criteria." In Ceramics, 167–202. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58407-7_10.

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6

Shang, De Guang, Guo Qin Sun, Jing Deng, and Chu Liang Yan. "Multiaxial Fatigue Damage Models." In Fracture and Damage Mechanics V, 747–50. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-413-8.747.

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7

Socie, Darrell. "Multiaxial Fatigue Damage Assessment." In Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials, 465–72. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3459-7_72.

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Ellyin, Fernand. "Multiaxial experimental facilities." In Fatigue Damage, Crack Growth and Life Prediction, 179–204. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1509-1_5.

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9

Kachanov, L. M. "Creep and Fracture under Multiaxial Stress." In Introduction to continuum damage mechanics, 57–96. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-017-1957-5_3.

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Fatemi, A., and D. F. Socie. "Multiaxial Fatigue: Damage Mechanisms and Life Predictions." In Advances in Fatigue Science and Technology, 877–90. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2277-8_45.

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Тези доповідей конференцій з теми "Multiaxial damage and failure":

1

Yang, N. H., H. Nayeb-Hashemi, and A. Vaziri. "Multi-Axial Fatigue Damage Models of Fiber Reinforced Composites." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-62146.

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Fiberglass reinforced composites are extensively used in various structural components. In order to insure their structural integrity, their monotonic and fatigue properties under multiaxial stress fields must be understood. Combined in-phase tension/torsion loading is applied to [±45°]4 E-glass/epoxy composite tubes under monotonic and fatigue conditions to determine the effects of multiaxial loading on its failure. Various monotonic and fatigue damage criteria are proposed. These models considered failure mode (failure plane), the energy method and the effective stress-strain method. It is observed for the majority of experiments, the failure initiated at the outer lamina layer at 45° to the tube axis. A damage criterion for multiaxial monotonic loading is proposed considering both normal and shear stress contributions on the plane of failure. The experimental data show an excellent agreement with this proposed model for various loading conditions. Other failure models are currently under investigation utilizing the stresses and strains at the composite laminate as well as stress and strain at the outer lamina layer. Multiaxial fatigue failure models are proposed considering again the plane of failure. Since the plane of the failure is subjected to mean and cyclic stresses (shear and normal) and mean and cyclic strains (shear and normal), the fatigue damage models consider the contributions of these stresses and strains to the fatigue life of the composite tube. In addition to the fatigue damage model based on the plane of failure, a multi-axial fatigue failure model is proposed considering the mean and cyclic energy during fatigue experiments. The experimental data show a good correlation between the proposed damage parameters and fatigue life of specimens with some scatter of the data. Other fatigue failure models are currently under investigation considering the loading frequency and visco-elastic properties of the composite.
2

Albinmousa, Jafar, Syed Haris Iftikhar, and Mustafa Al-Samkhan. "Modeling Multiaxial Fatigue Damage Using Polar Equations." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70998.

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It is estimated that more than 70% of failures in engineering components are associated with fatigue loading. Therefore, fatigue is a major design tool for mechanical components. These components are usually subjected to multiaxial cyclic loading. In fact, multiaxial state is very common as tension specimen is under triaxial strain state even though its stress state is uniaxial. There are three approaches to modeling fatigue damage: stress, strain and energy. Critical plane concept is established based on the fact that fatigue cracks initiate at specific plane(s), therefore, multiaxial fatigue damage parameter is evaluated at these plane(s). Critical plane fatigue models such as Fatemi-Socie is among the popular strain-based models. Because it was shown to provide estimation mostly within two factors of life for different materials and different multiaxial loading conditions. This paper presents a new method for analyzing critical plane damage parameters. Using plane stress-strain transformation, maximum values of normal and shear stresses and strains from hysteresis loops are obtained at 360 planes. Plotting these values on polar diagrams shows that multiaxial cyclic responses represent polar curves that can successfully be fitted with definitive known polar equations. In principle, this means that both critical plane and fatigue damage can be determined analytically for a given loading path. However, fitting constants must first be determined. A systematic analysis is performed on different experimental data that were obtained by testing two extruded magnesium alloys at proportional and 90° out of phase loading paths. A closed-form solution for Fatemi-Socie damage parameter is presented for these two loading paths.
3

Chang, Yuan, and Hong Xu. "The Damage Development and Failure Description Under Multiaxial Creep of Materials Used in Power Plant." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28984.

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With the increasing of the operation parameters, structural components in power plant are suffering from elevated temperatures and pressures, which are high enough for creep to occur. This may lead to failure and fracture in components. Over the past several decades, considerable efforts have been made to gain a fundamental understanding of the creep mechanism. Much attention has been paid to life prediction to ensure safety and reliability in plants. Based on the Norton-Bailey and Kachanov-Rabotnov constitutive models, a modified model was proposed to be able to describe the whole three stages of creep. Numerical calculations with the modified constitutive model were performed to simulate the damage development of both uniaxial and notched specimens. The emphasis was laid on the effect of notch dimensions and stress on the damage development. The results show a good agreement with the experiment data, and the notch dimensions and stress have remarkable effect on the creep behavior and damage development.
4

Liu, Yongming, Brant Stratman, Liming Liu, and Sankaran Mahadevan. "Shattered Rim Failure Analysis in Railroad Wheels." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-16183.

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A general methodology for fatigue reliability degradation of railroad wheels is proposed in this paper. Both fatigue crack initiation and crack propagation life are included in the proposed methodology using previously developed multiaxial fatigue models by the authors. A response surface method in conjunction with design of experiments is used to develop a closed form approximation of the fatigue damage accumulation with respect to the input random variables. The total fatigue life of railroad wheels under stochastic loading is simulated, accounting for the spatial and temporal randomness of the fatigue damage. The field observations of railroad wheel fatigue failures are compared with the numerical predictions using the proposed methodology.
5

Spindler, Michael W., and Michael C. Smith. "The Effect of Multiaxial States of Stress on Creep Failure of Type 316H Under Displacement Control." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77963.

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Reheat cracking in the heat affected zones (HAZ) of Type 316H welds has been observed in the UK’s Advanced Gas cooled Reactors after 15–50k hours service at 490 to 520°C. These cracks are caused by creep damage from the relaxation of a triaxial residual stress. To validate a model for multiaxial creep damage under triaxial states of stress, notch bar specimens have been tested under displacement control. The test programme included the effects of different notch geometries, test temperatures (475 to 550°C) and both Type 316H parent and HAZ materials. Finite element analysis was used to develop a simplified method to calculate creep damage in the test specimens and this simplified method was then used to analyse the results of the notched bar stress relaxation tests. It was found that the multiaxial creep damage model gave a good prediction of failure in the tests particularly for the levels of triaxiality relevant to welds and at temperatures relevant to service.
6

Barsoum, Imad, and Alberto Muñoz. "Failure Analysis of a Large Knife Gate Valve Subjected to Multiaxial Loading." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65114.

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Knife gate valves are common in process piping plants in the petrochemical industry. In this study a failure analysis is undertaken on a large knife gate valve attached on top of a Y-piece as part of a purge bin outlet in a polyethylene production facility. A large crack was discovered on the knife gate valve shortly after its installation and operation of the facility. The study outlines a methodology, based on the finite element method, to analyze failure of such units. It starts out by determining the stress intensification factors for a Y-piece by conducting an FEA, which are used in CAESER II piping software to determine the operational loads on the valve. The loads are used as inputs for a non-linear FEA model of the valve accounting for material failure based on continuum damage mechanics approach. The FEA results suggest that the operational loads are not the root cause to the observed failure on the gate valve. It is rather attributed to internal casting defects and the lack of post-heat treatment of the valve.
7

Montesano, John, and Chandra Veer Singh. "Development of a Synergistic Damage Mechanics-Based Model for Predicting Multiaxial Effects in Progressive Failure of Composite Structures." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38109.

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A major benefit of advanced fiber-reinforced polymer composites is that they can be tailored and optimized to suit a particular structural application by orienting the reinforcing fibers along multiple directions. For practical load-bearing structural components manufactured from multidirectional laminates, predicting their mechanical behaviour is quite complex. This is specifically the case for progressive failure analysis of these materials when subjected to quasi-static or fatigue loading since local cracks will initiate and evolve in multiple directions simultaneously. The difficulty of the problem increases further when these laminates are subjected to complex multiaxial stress states. This is due to the fact that the multidirectional crack state will be subjected to additional crack driving stress components, which will ultimately alter the crack evolution characteristics. A synergistic damage mechanics (SDM) methodology has recently been developed to address these issues in progressive damage analyses of composite laminates containing multiple damage modes and subjected to uniaxial loading [1]. By combining micromechanics and continuum damage mechanics, the SDM methodology provides a rigorous and practical tool for accurate prediction of progressive damage behaviour in composite structures. This is essential for accurately predicting the integrity and durability of practical structures, which will lead to safer and more efficient designs.
8

Kim, Seung Jae, Young Ryun Oh, and Yun Jae Kim. "Comparison Between Strain-Based and Energy-Based Creep Failure Simulation." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84569.

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The power plant is required to operate under high temperature and pressure for high efficiency. In order to predict reliable life time of power plant under high temperature, creep-low cycle fatigue life prediction method should be proposed. In this paper, strain based and energy based failure model are proposed to simulate notch bar creep tensile test. Modification factors considering multiaxial fracture and strain rate effect were proposed in order to simulate notch bar creep tensile test using FE analysis. Using proposed models, FE result of strain based and energy based damage model are compared with notch bar creep tensile test. As a result, both strain and energy based damage model simulates crack growth well during creep, However, when tertiary creep behavior is considered, energy based failure model simulate rupture time longer than strain based model. It can be inferred that plastic damage accumulation of energy based model is slower than that of strain based model.
9

Gyekenyesi, Andrew L. "Isothermal Fatigue Behavior and Damage Modeling of a High Temperature Woven PMC." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-106.

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This study focuses on the fully reversed fatigue behavior exhibited by a carbon fiber/polyimide resin woven laminate at room and elevated temperatures. Nondestructive video edge view microscopy and destructive sectioning techniques were used to study the microscopic damage mechanisms that evolved. The elastic stiffness was monitored and recorded throughout the fatigue life of the coupon. In addition, residual compressive strength tests were conducted on fatigue coupons with various degrees of damage as quantified by stiffness reduction. Experimental results indicated that the monotonic tensile properties were only minimally influenced by temperature, while the monotonic compressive and fully reversed fatigue properties displayed greater reductions due to the elevated temperature. The stiffness degradation, as a function of cycles, consisted of three stages; a short-lived high degradation period, a constant degradation rate segment covering the majority of the life, and a final stage demonstrating an increasing rate of degradation up to failure. Concerning the residual compressive strength tests at room and elevated temperatures, the elevated temperature coupons appeared much more sensitive to damage. At elevated temperatures, coupons experienced a much larger loss in compressive strength when compared to room temperature coupons with equivalent damage. The fatigue damage accumulation law proposed for the model incorporates a scalar representation for damage, but admits a multiaxial, anisotropic evolutionary law. The model predicts the current damage (as quantified by residual stiffness) and remnant life of a composite that has undergone a known load at temperature. The damage/life model is dependent on the applied multiaxial stress state as well as temperature. Comparisons between the model and data showed good predictive capabilities concerning stiffness degradation and cycles to failure.
10

Hyde, C. J., W. Sun, and T. H. Hyde. "A Novel Method for Obtaining the Multiaxiality Constant for Damage Mechanics Which is Appropriate to Crack Tip Conditions." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57166.

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Many engineering components, such as power plant steam pipes, aero-engine turbine discs, etc, operate under severe loading/temperature conditions for the majority of their service life. As a result, cracks can initiate and subsequently propagate over time due to creep. Damage mechanics is a robust method for the prediction of behaviour of components subjected to high temperature creep conditions and in particular, the Liu and Murakami model has proven to be a useful tool for the prediction of creep crack growth under such conditions. Previous methods for obtaining the constant of multiaxiality required for the use of such models, i.e. α, have relied upon the steady load testing of specimens designed to give a specific multiaxial stress-state, such as notched bars, and the failure time obtained. A series of results from finite element (FE) analyses based on the same geometry and loading/temperature conditions as the experiment, each performed with a different α-value, are then interpolated in order to identify the α-value which results in the same failure time, tf, as that of the experimental test. However, the stress-state present within such a specimen geometry (and therefore the α-value obtained) does not reflect the multiaxial severity of the stress state ahead of a crack tip. Therefore, for the application of the Liu and Murakami model to crack tip (i.e., creep crack growth) conditions, it follows that the α-value should be obtained from a multiaxial stress-state of equal severity to that to which it is to be applied, i.e. a crack tip. Therefore compact tension (CT) specimen creep crack growth data has been used in order to obtain the α-value. The process for the α-value determination is similar to that discussed for the notched bar, except that the interpolation of the time to failure is replaced with an interpolation of the time to a given crack length, ta. The resulting FE predictions based on CT and thumbnail crack specimen geometries, for a 316 stainless steel, are shown to be accurate in comparison to experimental results.

Звіти організацій з теми "Multiaxial damage and failure":

1

Khan, Akhtar S. Dynamic and Quasi-Static Multiaxial Response of Ceramics and Constitutive/Damage Modeling. Fort Belvoir, VA: Defense Technical Information Center, January 2001. http://dx.doi.org/10.21236/ada391958.

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2

Kaneshige, Michael J., Md Fazle Rabbi, Michael J. Kaneshige, Robert Mach, Carlos A. Catzin, and Calvin M. Stewart. Novel Method to Characterize and Model the Multiaxial Constitutive and Damage Response of Energetic Materials. Office of Scientific and Technical Information (OSTI), December 2017. http://dx.doi.org/10.2172/1415222.

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3

Kallmeyer, Alan. Development of a Nonlinear Cumulative Fatigue Damage Methodology for Aircraft Engine Components under Multiaxial Loadings. Fort Belvoir, VA: Defense Technical Information Center, April 2007. http://dx.doi.org/10.21236/ada589686.

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4

Banovic, Stephen W., and Timothy Foecke. Damage and failure modes of structural steel components. Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ncstar.1-3cv1.

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5

Gagliardi, F., and S. Pease. PBX 9502 Multimode Damage Accumulation Cycles-to-Failure Study. Office of Scientific and Technical Information (OSTI), November 2014. http://dx.doi.org/10.2172/1183561.

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6

Banovic, Stephen W., and Timothy Forcke. Damage and failure modes of structural steel components (Appendices A-G). Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ncstar.1-3cv2.

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7

Kollegal, M., S. N. Chatterjee, and G. Flanagan. Progressive Failure Analysis of Plain Weaves Using Damage Mechanics Based Constitutive Laws. Fort Belvoir, VA: Defense Technical Information Center, January 2006. http://dx.doi.org/10.21236/ada449264.

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8

Ghosh, Somnath. Multi-Scale Dynamic Computational Models for Damage and Failure of Heterogeneous Materials. Fort Belvoir, VA: Defense Technical Information Center, October 2006. http://dx.doi.org/10.21236/ada459374.

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9

Curtin, W. A. Multiscale Models of Multifunctional Composites for On-Board Damage Detection and Failure Prevention. Fort Belvoir, VA: Defense Technical Information Center, October 2008. http://dx.doi.org/10.21236/ada500339.

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10

Fok, Alex. Failure Predictions for VHTR Core Components using a Probabilistic Contiuum Damage Mechanics Model. Office of Scientific and Technical Information (OSTI), October 2013. http://dx.doi.org/10.2172/1124167.

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