Výsledky vyhledávání - "Implicit integration algorithm"

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…”
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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

“…This paper focuses on the performance of the two two-loop implicit sparse matrix numerical integration (TLISMNI) methods as the numerical solution of index-3…”
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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

“…In this paper, a modified vertex theory is proposed, and then a non-coaxial plastic model of sand is constructed by introducing the proposed theory into a…”
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Finite element implementation of non-unified visco-plasticity model considering static recovery Autor Yang, Menghao, Feng, Miaolin

“…In order to examine relaxation behaviors of materials, static recovery term is always conducted in the backstress components for kinematic hardening in…”
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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…”
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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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Return mapping algorithm for an enhanced generalized plasticity constitutive model of partially saturated soils Autor Zhang, H.W., Santagiuliana, R., Schrefler, B.A.

“…The objective of this paper is to investigate the stress update algorithm and the tangent operator for an enhanced generalized plasticity model developed…”
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A Modified Implicit Euler Algorithm for Solving Vehicle Dynamic Equations Autor Rill, Georg

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An Efficient Procedure for the Time-Domain Sensitivity Analysis Autor J. Dobes

“…Standard tools for CAD have limited modes of the sensitivityanalysis: PSPICE only contains a static mode and SPECTRE includesfrequency-domain and static modes…”
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An alternative to the Bathe algorithm Autor Li, Jinze, Yu, Kaiping

“…This paper presents a new composite sub-steps algorithm for solving reliable numerical responses in structural dynamics. The newly developed algorithm is a two…”
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A second-order accurate three sub-step composite algorithm for structural dynamics Autor Li, Jinze, Yu, Kaiping, He, Haonan

“…In this paper, a novel three sub-step composite algorithm with desired numerical properties is developed. The proposed method is a self-starting,…”
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Stress resultant plasticity for shells revisited Autor Dujc, Jaka, Brank, Boštjan

“…In this work, we revisit the stress resultant elastoplastic geometrically exact shell finite element formulation that is based on the Ilyushin–Shapiro…”
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