Gotowe bibliografie tematyczne / Large deformation

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Gotowa bibliografia na temat „Large deformation”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 11 marca 2023

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Artykuły w czasopismach na temat "Large deformation"

Speich, Marco, Wolfgang Rimkus, Markus Merkel i Andreas Öchsner. "Large Deformation of Metallic Hollow Spheres". Materials Science Forum 623 (maj 2009): 105–17. http://dx.doi.org/10.4028/www.scientific.net/msf.623.105.

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Hollow sphere structures are a new group of advanced lightweight materials for multifunctional applications. Within the scope of this paper, the uniaxial deformation behaviour in the regime of large deformations is investigated. Appropriate computational models are developed to account for the deformation mechanisms occurring under high deformations. Macroscopic stress-strain curves are derived and the influence of different material parameters is investigated.

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Sekhon, G. S. "Large Deformation II". Defence Science Journal 53, nr 2 (1.04.2003): 25–26. http://dx.doi.org/10.14429/dsj.53.2262.

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Sekhon, G. S. "Large Deformation -I". Defence Science Journal 53, nr 1 (1.01.2003): 3–4. http://dx.doi.org/10.14429/dsj.53.2270.

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Bruhns, Otto T. "Large deformation plasticity". Acta Mechanica Sinica 36, nr 2 (12.02.2020): 472–92. http://dx.doi.org/10.1007/s10409-020-00926-7.

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Fan, Jinyan, Zhibiao Guo, Xiaobing Qiao, Zhigang Tao, Fengnian Wang i Chunshun Zhang. "Constant Resistance and Yielding Support Technology for Large Deformations of Surrounding Rocks in the Minxian Tunnel". Advances in Civil Engineering 2020 (28.09.2020): 1–13. http://dx.doi.org/10.1155/2020/8850686.

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During the excavation of the Minxian tunnel, problems of large deformations of surrounding rocks and failure of support structures appeared frequently, which caused serious influences on construction safety and costs of the tunnel. Based on laboratory analysis of mineral composition and field investigations on deformation characteristics of the surrounding rocks, the large deformation mechanism of surrounding rocks of the tunnel was considered as water-absorbing swelling molecules of carbonaceous slate and stress-induced asymmetric structural deformations of the surrounding rocks. The structural deformations of surrounding rocks mainly include bending deformation, interlayer sliding, and crushing failure of local rock blocks. Then, a new constant resistance and yielding support technology based on the constant resistance and large deformation (CRLD) anchor cable was proposed to control large deformations of surrounding rocks. The field tests and deformation monitoring were carried out. The monitoring results showed that compared with original support measure, the surrounding rock deformations, stresses of primary supports, and permanent lining using new support technology decreased greatly. Among them, the maximum deformation of surrounding rock was only 73 mm. The effects of field application and results of deformation monitoring showed that the new support technology can effectively control large deformations of the surrounding rocks in the Minxian tunnel.

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Zhao, Gang, Liuyu Wang, Kazhong Deng, Maomei Wang, Yi Xu, Meinan Zheng i Qing Luo. "An Adaptive Offset-Tracking Method Based on Deformation Gradients and Image Noises for Mining Deformation Monitoring". Remote Sensing 13, nr 15 (27.07.2021): 2958. http://dx.doi.org/10.3390/rs13152958.

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The offset-tracking method (OTM) utilizing SAR image intensity can detect large deformations, which makes up for the inability of interferometric synthetic aperture radar (InSAR) technology in large mining deformation monitoring, and has been widely used. Through lots of simulation experiments, it was found that the accuracy of OTM is associated with deformation gradients and image noises in the cross-correlation window (CCW), so CCW sizes should be selected reasonably according to deformation gradients and noise levels. Based on the above conclusions, this paper proposes an adaptive CCW selection method based on deformation gradients and image noises for mining deformation monitoring, and this method considers influences of deformation gradients and image noises on deformations to select adaptive CCWs. In consideration of noise influences on offset-tracking results, smaller CCWs are selected for large deformation gradient areas, and larger CCWs are selected for small deformation gradient areas. For some special areas, special CCWs are selected for offset-tracking. The proposed method is implemented to simulation and real experiments, and the experiment results demonstrate that the proposed method with high reliability and effectiveness can significantly improve the accuracy of OTM in mining deformation monitoring.

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LIU, S. J., H. WANG i H. ZHANG. "SMOOTHED FINITE ELEMENTS LARGE DEFORMATION ANALYSIS". International Journal of Computational Methods 07, nr 03 (wrzesień 2010): 513–24. http://dx.doi.org/10.1142/s0219876210002246.

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The smoothed finite element method (SFEM) was developed in order to eliminate certain shortcomings of the finite element method (FEM). SFEM enjoys some of the flexibilities of meshfree methods. One advantage of SFEM is its applicability to modeling large deformations. Due to the absence of volume integration and parametric mapping, issues such as negative volumes and singular Jacobi matrix do not occur. However, despite these advantages, SFEM has never been applied to problems with extreme large deformation. For the first time, we apply SFEM to extreme large deformations. For two numerical problems, we demonstrate the advantages of SFEM over FEM. We also show that SFEM can compete with the flexibility of meshfree methods.

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Wang, Ren Zuo, Shih Hung Chen, Chao Hsun Huang, Bing Chang Lin i Chung Yue Wang. "Large Deformation Analysis of Buried Pipeline". Applied Mechanics and Materials 405-408 (wrzesień 2013): 759–62. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.759.

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In this paper, a set of the procedures of the numerical simulation for the buried pipeline is proposed. These numerical procedures are used to compute the large deformations of the buried pipeline through the fault. In order to simulate the fault slip, displacement control is adopted. The geometric and material nonlinearity of buried pipe are considered. The beam elements are used to calculate the buckling deformation of the pipe. The ASCE (1984) soil spring models (SSM) are used to model the interaction of deformation of the soil and the buried pipe. In order to confirm rationality of numerical results using SSM, comparison between experiment result in Cornell University (CU) [5], Trautmann and ORourke experiment results [7] and SSM numerical results are studied. Two examples demonstrate the accuracy of the proposed procedures.

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Ostertag, Oskar, Eva Ostertagová i Ladislav Novotný. "Analytical and Numerical Solution of Large Actuator Deformation". Applied Mechanics and Materials 816 (listopad 2015): 96–102. http://dx.doi.org/10.4028/www.scientific.net/amm.816.96.

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This paper deals with the possibility of controlled deformation of the actuator of a flexible system. In the solution, large deformations of the actuator have been assumed. The model was made of a material capable of large deformations caused by internal pressure. The internal pressure was let into the cavities located in the actuator. The solution was realized analytically and numerically. The results show the relevance of the stated proposal.

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Solomon, Sean C. "Earth deformation, writ large". Nature Geoscience 2, nr 10 (październik 2009): 679. http://dx.doi.org/10.1038/ngeo650.

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Rozprawy doktorskie na temat "Large deformation"

Rückert, Jens, i Arnd Meyer. "Kirchhoff Plates and Large Deformation". Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-96896.

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In the simulation of deformations of plates it is well known that we have to use a special treatment of the thickness dependence. Therewith we achieve a reduction of dimension from 3D to 2D. For linear elasticity and small deformations several techniques are well established to handle the reduction of dimension and achieve acceptable numerical results. In the case of large deformations of plates with non-linear material behaviour there exist different problems. For example the analytical integration over the thickness of the plate is not possible due to the non-linearities arising from the material law and the large deformations themselves. There are several possibilities to introduce a hypothesis for the treatment of the plate thickness from the strong Kirchhoff assumption on one hand up to some hierarchical approaches on the other hand.

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Crabbé, Blandine. "Gradient damage models in large deformation". Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX085/document.

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Les modèles d'endommagement à gradient, aussi dénommés modèles à champs de phases, sont désormais largement utilisés pour modéliser la rupture fragile et ductile, depuis l'initiation de l'endommagement jusqu'à la propagation d'une fissure. Cependant, la majorité des études disponibles dans la littérature ne concerne que le cadre des petites déformations, et très peu d'études poussées ont été menées afin d'étudier leur pertinence dans un contexte de grandes déformations. Ce serait pourtant d'un intérêt primordial, notamment pour l'industrie pneumatique, qui deviendrait alors capable de prédire plus précisément l'initiation de l'endommagement dans ses structures.Dans la première partie de ce travail, nous établissons des solutions analytiques d'évolution de l'endommagement (homogène et localisée) pour des matériaux visqueux, en petites et en grandes déformations. En petites déformations, les modèles rhéologiques de Maxwell et Poynting-Thomson sont étudiés, et en grandes déformations, les modèles de Maxwell et Zener sont choisis. Une étude sur l'évolution de l'endommagement dans un cas purement hyperélastique est aussi menée.A cette première partie analytique succède une partie numérique, qui détaille l'implémentation des modèles d'endommagement à gradient dans des codes éléments finis en grandes déformations. De même qu'en petites déformations, une stratégie de minimisation alternée est adoptée pour résoudre successivement les problèmes d'endommagement et de déplacement. Le matériau suit une loi de Mooney-Rivlin quasi-incompressible, et une méthode mixte en déplacement-pression est utilisée. Des tests en 2D et 3D sont effectués, qui mettent en évidence la capacité des modèles à initier de l'endommagement en grandes déformations.Les modèles d'endommagement utilisés pour la seconde partie ne sont cependant capables d'initier de l'endommagement que dans les zones où la déformation est importante, c'est-à-dire dans les zones de forte contrainte déviatorique. Il a toutefois été montré que certains matériaux polymères, quasi-incompressibles, s'endommagent dans les zones de forte pression hydrostatique. Par conséquent, la recherche et l'étude d'un modèle d'endommagement capable d'initier de l'endommagement dans les zones de forte pression, pour des matériaux quasi-incompressibles lorsqu'ils sont sains, fait l'objet d'une troisième partie.Enfin, la croissance brusque de cavités dans un matériau hyperélastique, appelée phénomène de cavitation, est étudiée, ainsi que son interaction avec l'endommagement. Dans un premier temps, nous considérons la cavitation comme une simple bifurcation hyperélastique d'un matériau néo-hookéen compressible isotrope, et déterminons l'expression analytique de l'élongation critique pour laquelle la cavitation fait son apparition. Dans un second temps, nous montrons qu'il y a une compétition entre la cavitation et l'endommagement, et qu'en fonction de la valeur du ratio des élongations critiques respectives pour chaque phénomène, deux types de rupture apparaissent
Gradient damage models, also known as phase-field models, are now widely used to model brittle and ductile fracture, from the onset of damage to the propagation of a crack in various materials. Yet, they have been mainly studied in the framework of small deformation, and very few studies aims at proving their relevance in a finite deformation framework. This would be more helpful for the tyre industry that deals with very large deformation problems, and has to gain insight into the prediction of the initiation of damage in its structures.The first part of this work places emphasis on finding analytical solutions to unidimensional problems of damaging viscous materials in small and large deformation.In all the cases, the evolution of damage is studied, both in the homogeneous and localised cases. Having such solutions gives a suitable basis to implement these models and validate the numerical results.A numerical part naturally follows the first one, that details the specificities of the numerical implementation of these non local models in large deformation. In order to solve the displacement and damage problems, the strategy of alternate minimisation (or staggered algorithm) is used. When solved on the reference configuration, the damage problem is the same as in small deformation, and consists in a bound constraint minimisation. The displacement problem is non linear, and a mixed finite element method is used to solve a displacement-pressure problem. A quasi-incompressible Mooney-Rivlin law is used to model the behaviour of the hyperelastic material. Various tests in 2D and 3D are performed to show that gradient damage models are perfectly able to initiate damage in sound, quasi-incompressible structures, in large deformation.In the simulations depicted above, it should be noted that the damage laws combined to the hyperelastic potential results in an initiation of damage that takes place in zones of high deformation, or in other words, in zones of high deviatoric stress. However, in some polymer materials, that are known to be quasi-incompressible, it has been shown that the initiation of damage can take place in zones of high hydrostatic pressure. This is why an important aspect of the work consists in establishing a damage law such that the material be incompressible when there is no damage, and the pressure play a role in the damage criterion. Such a model is exposed in the third part.Finally, the last part focuses on the cavitation phenomenon, that can be understood as the sudden growth of a cavity. We first study it as a purely hyperelastic bifurcation, in order to get the analytical value of the critical elongation for which cavitation occurs, in the case of a compressible isotropic neo-hookean material submitted to a radial displacement. We show that there is a competition between the cavitation phenomenon and the damage, and that depending on the ratio of the critical elongation for damage and the critical elongation for cavitation, different rupture patterns can appear

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Boyce, Mary Cunningham. "Large inelastic deformation of glassy polymers". Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/14909.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1987.
MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING
Bibliography: leaves 126-130.
by Mary Cunningham Boyce.
Ph.D.

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Paradinas, Salsón Teresa. "Simplification, approximation and deformation of large models". Doctoral thesis, Universitat de Girona, 2011. http://hdl.handle.net/10803/51293.

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The high level of realism and interaction in many computer graphic applications requires techniques for processing complex geometric models. First, we present a method that provides an accurate low-resolution approximation from a multi-chart textured model that guarantees geometric fidelity and correct preservation of the appearance attributes. Then, we introduce a mesh structure called Compact Model that approximates dense triangular meshes while preserving sharp features, allowing adaptive reconstructions and supporting textured models. Next, we design a new space deformation technique called *Cages based on a multi-level system of cages that preserves the smoothness of the mesh between neighbouring cages and is extremely versatile, allowing the use of heterogeneous sets of coordinates and different levels of deformation. Finally, we propose a hybrid method that allows to apply any deformation technique on large models obtaining high quality results with a reduced memory footprint and a high performance.
L’elevat nivell de realisme i d’interacció requerit en múltiples aplicacions gràfiques fa que siguin necessàries tècniques pel processament de models geomètrics complexes. En primer lloc, presentem un mètode de simplificació que proporciona una aproximació precisa de baixa resolució d'un model texturat que garanteix fidelitat geomètrica i una correcta preservació de l’aparença. A continuació, introduïm el Compact Model, una nova estructura de dades que permet aproximar malles triangulars denses preservant els trets més distintius del model, permetent reconstruccions adaptatives i suportant models texturats. Seguidament, hem dissenyat *Cages, un esquema de deformació basat en un sistema de caixes multi-nivell que conserva la suavitat de la malla entre caixes veïnes i és extremadament versàtil, permetent l'ús de conjunts heterogenis de coordenades i diferents nivells de deformació. Finalment, proposem un mètode híbrid que permet aplicar qualsevol tècnica de deformació sobre models complexes obtenint resultats d’alta qualitat amb una memòria reduïda i un alt rendiment.

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Tuzun, Aydin. "Large Deformation Analysis Of Flexible Multibody Systems". Phd thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614821/index.pdf.

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Large displacement and large strain problems of mechanical systems can be solved mainly by four methods. These are Floating Frame of Reference, Incremental Finite Element, Large Rotation Vector and Absolute Nodal Coordinate Formulations (ANCF). Due to exact rigid body representation, simple mass matrix structure and non-incremental formulation, ANCF is more convenient in analyzing flexible multibody systems. However, it is limited to problems with regular boundaries, currently. The aim of the thesis is to improve the current ANCF in order to handle various problems with irregular boundaries. For this purpose, firstly meshfree ANCF has been developed to analyze flexible multibody systems. Verification of the developed meshfree formulation has been performed for beam type structures and accurate results have been obtained. Then, &ldquo
ANCF with Virtual Element Mapping Method&rdquo
has been proposed to overcome the boundary problems of the current formulations. The proposed method has been implemented to plane stress, plane strain, plate/shell and 3D solid finite elements. Verification of the proposed method has been performed by using the patch test problems available in the literature. Besides, it has been verified by various flexible multibody problems with large deformations. Additionally, shape function polynomials for thin plate assumption have been derived. It is observed that developed formulations and methods can be useful not only for flexible multibody systems but also for structural mechanics problems subjected to large deformations and/or rotations. The proposed methods and formulations are more efficient than the current formulations in the literature due to extended shape limits of finite elements.

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Derian, Edward J. "Large deformation dynamic bending of composite beams". Thesis, Virginia Tech, 1985. http://hdl.handle.net/10919/45678.

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The large deformation response of composite beams subjected to a dynamic axial load was studied. The beams were loaded with a moderate amount of eccentricity to promote bending. The study was primarily experimental but some finite element results were obtained. Both the deformation and the failure of the beams were of interest. The static response of the beams was also studied in order to determine the difference between the static and dynamic failure. Twelve different laminate types were tested. The beams tested were 23 in. by 2 in. and generally 30 plies thick. The beams were loaded dynamically with a gravity-driven impactor traveling at 19.6 ft./sec. and quasi-static tests were done on identical beams in a displacement controlled manner. For laminates of practical interest, the failure modes under static and dynamic loadings were identical. Failure in most of the laminate types occurred in a single event involving 40% to 50% of the plies. However, failure in laminates with 30° or 15° off axis plies occurred in several events. All laminates exhibited bimodular properties. The compressive flexural moduli in some laminates was measured to be 1/2 the tensile flexural modulus. No simple relationship could be found among the measured ultimate failure strains of the different laminate types. Using empirically determined flexural properties, a finite element analysis was reasonably accurate in predicting the static and dynamic deformation response.

Master of Science

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Weise, Martina. "Elastic Incompressibility and Large Deformations". Doctoral thesis, Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-140113.

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This thesis investigates the numerical simulation of three-dimensional, mechanical deformation problems in the context of large deformations. The main focus lies on the prediction of non-linearly elastic, incompressible material. Based on the equilibrium of forces, we present the weak formulation of the large deformation problem. The discrete version can be derived by using linearisation techniques and an adaptive mixed finite element method. This problem turns out to be a saddle point problem that can, among other methods, be solved via the Bramble-Pasciak conjugate gradient method or the minimal residual algorithm. With some modifications the resulting simulation can be improved but we also address remaining limitations. Some numerical examples show the capability of the final FEM software. In addition, we briefly discuss the special case of linear elasticity with small deformations. Here we directly derive a linear weak formulation with a saddle point structure and apply the adaptive mixed finite element method. It is shown that the presented findings can also be used to treat the nearly incompressible case.

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Evcim, Mehmet. "Large Deformation Analysis Of Shells Under Impulsive Loading". Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/2/12611647/index.pdf.

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In this thesis large deformation behavior of shell structures under high intensity transient loading conditions is investigated by means of finite element method. For this purpose an explicit finite element program is developed with interactive user interface. The developed program deals with geometric and material nonlinearities which stem from large deformation elastic - plastic behavior. Results of the developed code are compared with the experimental data taken from the literature and simulation results of the commercial finite element program Ls-Dyna. Moreover, sensitivity study is carried out for mesh size, element type and material model parameters. After the comparison and verification of the obtained results, it is concluded that converged and reasonable results are achieved.

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Ma, Jianfeng. "Meshless method for modeling large deformation with elastoplasticity". Diss., Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/402.

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RIOS, GABRIEL EMILIANO BARRIENTOS. "NONLINEAR DYNAMICS OF FLEXIBLE STRUCTURES WITH LARGE DEFORMATION". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1997. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=19770@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
É apresentado o modelo não-linear de barras proposto por Simo para o estudo do comportamento dinâmico de estruturas espaciais. A formulação das equações do movimento é feita em um sistema inercial de modo a simplificar o operador de inércia e o material é considerado como elástico linear. Carregamos não – conservativos são considerados de modo que a integração das equações é feita na forma fraca. As partes flexíveis, que são necessariamente estruturas unidimensionais, são descritas por um modelo de barras que generaliza os modelos clássicos de Euler-Bernouilli e de Timoshenko. Implementa-se um programa computacional baseado nesta teoria na linguagem Matlab. O modelo de barras discretiza-se espacialmente usando elementos finitos e integra-se o sistema de equações resultante linearizado usando o método de Newton-Raphson, associado ao esquema de integração de Newmark. Incorpora-se os efeitos de amortecimento interno e cargas seguidoras, assim como elementos lineares quadráticos. Se incorpora à programação o tratamento de juntas esféricas através do método de multiplicadores de Lagrange, que permitem estudar alguns tipos de sistemas de multicorpos flexíveis. O programa é testadopor uma série de exemplos e comparações com resultados clássicos para mostrar a sua versatilidade e também as limitações dos modelos clássicos. Também se apresenta o modelo usado no programa computacional SAMCEF, e mostra-se a potencialidade deste programa em base a uma série de exemplos que incluem problemas de flexibilidade e choque em sistemas multicorpos.
It is presented a theory to treat multibody problems with rigid or flexible parts that treats the overall motion and the deformations in the same way using na inertial reference frame. The essential part of the model is the treatment of nonlinear rods that are flexible parts of the multibody systems. A code was construcetd in the platform MATBLAB and it was widely tested thorough comparisons with results found in the literature that acted as benchmark problems. The results are very good.

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Książki na temat "Large deformation"

Teodosiu, C., red. Large Plastic Deformation of Crystalline Aggregates. Vienna: Springer Vienna, 1997. http://dx.doi.org/10.1007/978-3-7091-2672-1.

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Cristian, Teodosiu, red. Large plastic deformation of crystalline aggregates. Wien: Springer, 1997.

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Cristian, Teodosiu, red. Large plastic deformation of crystalline aggregates. Wien: Springer, 1997.

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Molenkamp, F. Dynamics of large deformation elasto-visco plasticity. Manchester: UMIST, 1998.

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W, Hyer M., i United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., red. Large deformation dynamic bending of composite beams. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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Carper, Douglas M. Large deformation behavior of long shallow cylindrical composite panels. Hampton, Va: Langley Research Center, 1991.

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Al-Bermani, F. G. A. Elasto-plastic large deformation analysis f thin-walled structures. St. Lucia: University of Queensland, Dept. of Civil Engineering, 1989.

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Lee, J. W. Boundary integral methods for thermally coupled large deformation problems. Manchester: UMIST, 1993.

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Dufva, Kari. Development of finite elements for large deformation analysis of multibody systems. Lappeenranta: Lappeenranta University of Technology, 2006.

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Ikonen, Kari. Large inelastic deformation analysis of steel pressure vessels at high temperature. Espoo [Finland]: Technical Research Centre of Finland, 2001.

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Części książek na temat "Large deformation"

Gambin, W. "Phenomenological model of deformation textures development". W Large Plastic Deformations, 117–20. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203749173-12.

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Anand, L. "Elasto-viscoplasticity: Constitutive modeling and deformation processing". W Large Plastic Deformations, 3–18. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203749173-2.

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Leffers, Torben. "Microstructures, textures and deformation patterns at large strains". W Large Plastic Deformations, 73–86. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203749173-7.

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Besseling, J. F., i E. Van Der Giessen. "Large strain inelasticity". W Mathematical Modelling of Inelastic Deformation, 241–309. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-7186-9_7.

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Bacroix, B., G. Canova i H. Mecking. "The prediction of deformation textures in α-β titanium". W Large Plastic Deformations, 101–8. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203749173-10.

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Rittel, D. "Surface macro-localization of the plastic deformation of polycrystals". W Large Plastic Deformations, 255–60. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203749173-28.

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McGlaun, J. M., i P. Yarrington. "Large Deformation Wave Codes". W High-Pressure Shock Compression of Solids, 323–53. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4612-0911-9_9.

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Wriggers, Peter. "Discretization, Large Deformation Contact". W Computational Contact Mechanics, 225–307. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-32609-0_9.

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Teodosiu, C., J. L. Raphanel i L. Tabourot. "Finite element simulation of the large elastoplastic deformation of multicrystals". W Large Plastic Deformations, 153–68. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203749173-16.

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Voyiadjis, George Z., i Peter I. Kattan. "Coupling of damage and viscoplasticity for large deformation of metals". W Large Plastic Deformations, 345–52. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203749173-41.

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Streszczenia konferencji na temat "Large deformation"

Sauthoff, Anni, Paul Köchert, Günther Prellinger, Tobias Meyer, Frank Pilarski, Stephanie Weinrich, Frank Schmaljohann i in. "Two multi-wavelength interferometers for large-scale surveying". W 5th Joint International Symposium on Deformation Monitoring. Valencia: Editorial de la Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/jisdm2022.2022.13635.

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Deformation monitoring requires the detection of smallest changes, always at the limits of technical feasibility. Trying to push these limits further, we have realised two terrestrial ranging instruments: a long-range 1D electro-optic distance meter and a 3D multilateration-capable sensor system of 50 m range. The former one is intended as primary standard for the calibration of geodetic instrumentation with low uncertainty to the SI definition of the metre. The latter one is intended for monitoring larger monuments like VLBI antennas. In this contribution, we describe the technical challenges and our solutions for such instrumentation. We use the two-colour method for inline refractive index compensation. As common optical source, we developed a versatile multi-wavelength generator based on two Nd:YAG lasers stabilised by a phase-locked loop realised by Field Programmable Gate Arrays (FPGA). The 1D interferometer uses custom-designed achromatic optics and a mechanical frame optimised for form stability under field conditions. The phase demodulation system allows for maximum range flexibility from several meters up to several kilometres. The base ranging unit of the 3D multilateration system adheres to a different demodulation technique, which allows a relatively simple interferometer head design. This approach requires a sophisticated source modulation scheme limiting the applicability to distances over 15 m up to approximately 50 m in our case.

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Barbič, Jernej, i Yili Zhao. "Real-time large-deformation substructuring". W ACM SIGGRAPH 2011 papers. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1964921.1964986.

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Tenjimbayashi, Koji. "Large deformation measurement using ESPI". W Photonics China '96, redaktorzy Shu-Sen Deng i S. C. Wang. SPIE, 1996. http://dx.doi.org/10.1117/12.253106.

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Sun, Lijun, Libo Li, Siyuan Li, Jian Sun, Junqiang Wu, Qiang Zhao i Bingliang Hu. "Curing shrinkage stress and deformation analysis of adhesive bonding large aperture mirror". W Large Mirrors and Telescopes, redaktorzy Xiaoliang Ma, Bin Fan, Xiangang Luo, Adrian Russell i Yongjian Wan. SPIE, 2019. http://dx.doi.org/10.1117/12.2505710.

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Joo, Jinyong, Sridhar Kota i Noboru Kikuchi. "Large Deformation Behavior of Compliant Mechanisms". W ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/dac-21084.

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Abstract This paper presents a non-linear formulation for size and shape optimization of compliant mechanisms using tapered beam elements. Designs based on linear and nonlinear formulations are compared using a stroke amplification mechanism example. Also, the scaling effect of the compliant mechanism is investigated.

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Benson, David J. "Large Deformation Simulations of Nanocrystalline Materials". W MATERIALS PROCESSING AND DESIGN: Modeling, Simulation and Applications - NUMIFORM 2004 - Proceedings of the 8th International Conference on Numerical Methods in Industrial Forming Processes. AIP, 2004. http://dx.doi.org/10.1063/1.1766749.

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Berroir, J. P., I. Merlin i I. Cohen. "A numerical model for large deformation". W Proceedings of 13th International Conference on Pattern Recognition. IEEE, 1996. http://dx.doi.org/10.1109/icpr.1996.546071.

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"LOG-UNBIASED LARGE-DEFORMATION IMAGE REGISTRATION". W International Conference on Computer Vision Theory and Applications. SciTePress - Science and and Technology Publications, 2007. http://dx.doi.org/10.5220/0002048202720279.

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Tian, Ye, Yutao Li, Qian Wang, He Tian, Xiangshun Geng, Yao Zhi, Yuhong Wei, Yi Yang i Tianling Ren. "A Soft Electrothermal Actuator with Large Deformation and High Periodic Deformation Speed". W 2020 21st International Conference on Electronic Packaging Technology (ICEPT). IEEE, 2020. http://dx.doi.org/10.1109/icept50128.2020.9202476.

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Naghdabadi, Reza, i Mohsen Shahi. "Large Elastic-Plastic Deformation Analysis of Rectangular Plates". W ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1203.

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The purpose of this paper is to find a fast and simple solution for the large deformation of rectangular plates considering elastic-plastic behavior. This analysis contains material and geometric nonlinearities. For geometric nonlinearity the concept of load analogy is used. In this method the effect of nonlinear terms of lateral displacement is considered as suitable combination of additional fictitious lateral load, edge moment and in-plane forces acting on the plate. Variable Material Property (V.M.P.) method has been used for analysis of material nonlinearity. In this method, the basic relations maintain the form of stress-strain elastic formula, while material properties are modified to take into account the path-dependency involved in elastic-plastic deformations. Therefore, the solution of a von-Karman plate enduring large elastic-plastic deformations is reduced to that of an equivalent elastic plate undergoing small deformations. The method of solution employed in this study is computationally efficient and can easily be used for various boundary conditions and loadings.

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Raporty organizacyjne na temat "Large deformation"

Anand, Lallit. Large Deformation Plasticity of Polycrystalline Tantalum. Fort Belvoir, VA: Defense Technical Information Center, grudzień 2000. http://dx.doi.org/10.21236/ada391221.

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Horgan, Cornelius O. Large Deformation Failure Mechanisms in Nonlinear Solids. Fort Belvoir, VA: Defense Technical Information Center, styczeń 1995. http://dx.doi.org/10.21236/ada293010.

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Plohr, Bradley J., i Jeeyeon N. Plohr. Large Deformation Constitutive Laws for Isotropic Thermoelastic Materials. Office of Scientific and Technical Information (OSTI), lipiec 2012. http://dx.doi.org/10.2172/1047120.

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Mikkola, Aki M., i Ahmed A. Shabana. A Large Deformation Plate Element for Multibody Applications. Fort Belvoir, VA: Defense Technical Information Center, październik 2000. http://dx.doi.org/10.21236/ada384568.

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Schunk, Peter Randall, David R. Noble, Thomas A. Baer, Rekha Ranjana Rao, Patrick K. Notz i Edward Dean Wilkes. Large deformation solid-fluid interaction via a level set approach. Office of Scientific and Technical Information (OSTI), grudzień 2003. http://dx.doi.org/10.2172/918218.

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Beckwith, Frank. Verification and large deformation analysis using the reproducing kernel particle method. Office of Scientific and Technical Information (OSTI), wrzesień 2015. http://dx.doi.org/10.2172/1222659.

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Brown, Judith Alice, i Kevin Nicholas Long. Exemplar for simulation challenges: Large-deformation micromechanics of Sylgard 184/glass microballoon syntactic foams. Office of Scientific and Technical Information (OSTI), maj 2018. http://dx.doi.org/10.2172/1436920.

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An, Yonghao, B. C. Wood, M. Tang i H. Jiang. Phase-field Model for Stress-dependent Ginsburg-Landau Kinetics for Large Deformation of Silicon Anodes. Office of Scientific and Technical Information (OSTI), październik 2014. http://dx.doi.org/10.2172/1172293.

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Stone, C. M. SANTOS - a two-dimensional finite element program for the quasistatic, large deformation, inelastic response of solids. Office of Scientific and Technical Information (OSTI), lipiec 1997. http://dx.doi.org/10.2172/508138.

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Real Fernández, Elena. ¿PUEDE HABER 5 FASES DE DEFORMACIÓN HERCÍNICA EN LA ZONA DE VALDEMORILLO (MADRID)? Ilustre Colegio Oficial de Geólogos, październik 2020. http://dx.doi.org/10.21028/erf.2020.10.27.

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This work aims to understand the processes that have taken part in the deformation, both on a small and large scale, of metamorphic materials in Valdemorillo area, located in the west of the Community of Madrid and within the Spanish Central System. The objective is to understand the kinematic evolution and the specific mechanical behaviour of igneous-metamorphic materials from the area, deformed by certain efforts developed throughout the Hercynian Orogeny. Therefore, a structural analysis has been carried out throughout a geological mapping scaled 1: 25000 and the analysis of various petrographic studies by microscope. Thus, a total of 5 different deformations have been identified, which have allowed us to better understand the reconstruction of the processes generated in these materials and that we see today.

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