Výsledky vyhledávání - "implicit integration algorithm"

Approximation‐based implicit integration algorithm for the Simo‐Miehe model of finite‐strain inelasticity Autor Shutov, A.V., Ufimtsev, K.P.

“…We propose a simple, efficient, and reliable procedure for implicit time stepping, regarding a special case of the viscoplasticity model proposed by Simo and…”
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A Newton-Krylov-based implicit integration algorithm for single and multisurface plasticity Autor Abreu, Rafael, Mejia, Cristian, Roehl, Deane

“…•Development of a Jacobian-free Newton-Krylov algorithm for implicit plasticity model integration.•Smooth complementary functions implemented to enforce…”
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An implicit integration algorithm based on invariants for isotropic elasto‐plastic models of the Cosserat continuum Autor Panteghini, Andrea, Lagioia, Rocco

“…A Finite Element (FE) procedure based on a fully implicit backward Euler predictor/corrector scheme for the Cosserat continuum is here presented. The…”
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An Implicit Integration Algorithm for Non-smooth Dynamic Models Based on Linear Complementarity Problems Autor Zhang, Hongming, Gu, Xiaohui, Sun, Li

“… To reduce the difficulty of this model’s application and to improve its calculation accuracy, an implicit integration algorithm is proposed in this paper to solve non-smooth dynamic models more effectively…”
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Elastic–viscoplastic implicit integration algorithm applicable to both plane stress and three-dimensional stress states Autor Ohno, Nobutada, Tsuda, Masatoshi, Sugiyama, Hirotaka, Okumura, Dai

“…An elastic–viscoplastic implicit integration algorithm applicable to both plane stress and three-dimensional stress states is developed for a general class of combined nonlinear kinematic…”
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Elastoplastic implicit integration algorithm applicable to both plane stress and three-dimensional stress states Autor Ohno, Nobutada, Tsuda, Masatoshi, Kamei, Takafumi

“…An elastoplastic implicit integration algorithm applicable to both plane stress and three-dimensional stress states is developed for a general class of combined nonlinear kinematic…”
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A constitutive model for amorphous thermoplastics from low to high strain rates: Formulation and computational aspects Autor Carvalho Alves, A. Francisca, Ferreira, Bernardo P., Andrade Pires, F.M.

“…In this paper, a recently proposed finite strain visco-elastic visco-plastic (three-dimensional) constitutive model is extended to predict the nonlinear…”
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An efficient finite strain constitutive model for amorphous thermoplastics: Fully implicit computational implementation and optimization-based parameter calibration Autor Ferreira, Bernardo P., Carvalho Alves, A. Francisca, Andrade Pires, F.M.

“…•A novel visco-elastic visco-plastic constitutive model is consistently formulated.•Well-established rheological elements are judiciously combined.•An implicit…”
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Three optimal families of three‐sub‐step dissipative implicit integration algorithms with either second, third, or fourth‐order accuracy for second‐order nonlinear dynamics Autor Li, Jinze, Yu, Kaiping, Zhao, Rui, Fang, Yong

“…Summary This paper reviews the published composite three‐sub‐step implicit algorithms all of which adopt the trapezoidal rule in the first sub‐step. Three…”
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A truly self-starting implicit family of integration algorithms with dissipation control for nonlinear dynamics Autor Li, Jinze, Yu, Kaiping

“…In this paper, a novel implicit family of composite two sub-step algorithms with controllable dissipations is developed to effectively solve nonlinear…”
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Implementation and Application of a State-Dependent Sand Model in Finite Element Analysis Autor Yang, Chun-jie, Cai, Zheng-yin, Zhu, Xun, Fan, Kai-fang, Li, Guang, Liu, Chao-yin

“…State-dependent sand constitutive models based on the critical state soil mechanics framework are capable of realistically describing the strength, stiffness,…”
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A novel family of composite sub-step algorithms with desired numerical dissipations for structural dynamics Autor Li, Jinze, Yu, Kaiping

“…A novel family of composite sub-step algorithms with controllable numerical dissipations is proposed in this paper to obtain reliable numerical responses in…”
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Computational implementation of bounding surface model and its verification through cavity benchmark problems Autor Chen, Shengli, Abousleiman, Younane, Muraleetharan, Kanthasamy K.

“…This paper develops an implicit integration algorithm for a general form of the bounding surface model, using the return mapping approach (elastic predictor‐plastic corrector…”
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Application of the two-loop procedure in multibody dynamics with contact and constraint Autor Guo, Xian, Zhang, Ding-Guo, Li, Liang, Zhang, Le

“…) method as the implicit integration algorithm [TLISMNI (Newmark/HHT) method]. These two integration algorithms consider the accelerations and Lagrange multipliers as basic unknowns and their numerical accuracy is no more than order 2…”
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A state-dependent non-coaxial model of sand using a modified vertex theory and its FEM application Autor Wang, Xing, Kong, Liang, Li, Xue-feng, Ma, Wen-guo

“… Furthermore, in order to use the established model to analyze the bearing capacity of foundation, the formulas corresponding to the semi-implicit integration algorithm are derived, and then the…”
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Finite element implementation of non-unified visco-plasticity model considering static recovery Autor Yang, Menghao, Feng, Miaolin

“… Implicit integration algorithm for non-unified visco-plasticity model is derived. Plastic strain is divided into two parts…”
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An improved equivalent force control algorithm for hybrid seismic testing of nonlinear systems Autor Wang, Zhen, Wu, Bin, Xu, Guoshan, Bursi, Oreste S.

“…Summary The equivalent force control (EFC) algorithm is a hybrid seismic testing method based on both an implicit integration algorithm and force feedback control…”
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Numerical Implementation of a Hydro-Mechanical Coupling Constitutive Model for Unsaturated Soil Considering the Effect of Micro-Pore Structure Autor Cai, Guoqing, Han, Bowen, Li, Mengzi, Di, Kenan, Liu, Yi, Li, Jian, Wu, Tianchi

“…An unsaturated soil constitutive model considering the influence of microscopic pore structure can more accurately describe the hydraulic–mechanical behavior…”
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An implicit integration algorithm for the finite element implementation of a nonlinear anisotropic material model including hysteretic nonlinearity Autor Luccioni, Laurent X., Pestana, Juan M., Rodriguez-Marek, Adrian

“…Fully implicit integration schemes have been demonstrated to be very robust and efficient for nonlinear elastoplastic and elastic-viscoplastic models and enjoy…”
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An implicit integration algorithm for plane stress damage coupled elastoplasticity Autor Singh, Arbind Kr, Pandey, P.C.

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