Výsledky vyhledávání - modified euler integration algorithm

Elastoplastic constitutive model considering the filling and cementation effects for gas hydrate-bearing sediments: development and finite element implementation Autor Yuan, Qingmeng, Liang, Qianyong, Liang, Jinqiang, Wang, Zhigang, Yang, Lin, Wu, Xuemin, Guo, Binbin, Dong, Yifei

“…Dynamic evolution of hydrate filling and cementation effects significantly affects the mechanical behavior of gas hydrate-bearing sediments (GHBS). To analyze…”
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A robust and efficient substepping scheme for the explicit numerical integration of a rate-dependent crystal plasticity model Autor Zhang, K., Hopperstad, O. S., Holmedal, B., Dumoulin, S.

“… An integration algorithm based on the modified Euler method with an adaptive substepping scheme is then proposed, where the substepping is mainly controlled by the local error of the stress…”
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A modified numerical algorithm based on fractional Euler functions for solving time-fractional partial differential equations Autor Dehestani, Haniye, Ordokhani, Yadollah

“…A novel and efficient method based on the fractional Euler function together with the collocation method is proposed to solve time-fractional partial differential equations…”
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A simple stress correction method for explicit integration algorithm of elastoplastic constitutive models and its application to advanced anisotropic S-CLAY1 model Autor Wang, Hui, Li, Lin, Li, Jingpei, Sun, De'an

“… In this paper, a simple, robust, and efficient stress correction method is proposed for improving the well-established explicit modified Euler scheme of Sloan et al. (2001…”
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Inappropriateness in composite laminate orthotropic elasticity formulations and numerical implementation of laminate elasto-plasticity within backward Euler integration algorithm Autor Ren, Rui, Zhang, ZhenDong, Zhong, Jianlin, Ma, Dawei

“… for plastic strains based on backward Euler algorithm, the incorrect formulation of orthotropic elasticity…”
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Efficient time stepping for the multiplicative Maxwell fluid including the Mooney‐Rivlin hyperelasticity Autor Shutov, A. V.

“… A simple, efficient, and robust implicit time‐stepping procedure is suggested. Lagrangian and Eulerian versions of the algorithm are available, with equivalent properties…”
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Experimental and numerical investigation for ductile fracture of Al-alloy 5052 using modified Rousselier model Autor Guo, Junhang, Zhao, Shengdun, Murakami, Ri-ichi, Zang, Shunlai

“…► We propose a modified Rousselier model by incorporating the extended damage evolution model of Nahshon and Hutchinson…”
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An open-source unconstrained stress updating algorithm for the modified Cam-clay model Autor Zhou, Xin, Lu, Dechun, Zhang, Yaning, Du, Xiuli, Rabczuk, Timon

“…This paper presents an unconstrained stress updating algorithm for a critical state plastic model of clay soil, where the loading/unloading estimations and the consideration of the stress behaviour…”
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Numerical simulation and defect prediction of forming process for aluminum alloy sheets considering the effect of both anisotropy and lode parameter Autor Liu, Zijian, Wang, Tianyu, Luo, Zhitao, Zheng, Enlai, Wang, Zhikuan, Jiang, Shuyun, Chen, Jian

“…•A modified GTN model considering the effects of anisotropy and shearing on micropore evolution is introduced…”
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A Modified Implicit Euler Algorithm for Solving Vehicle Dynamic Equations Autor Rill, Georg

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A nonnegativity preserved efficient algorithm for atmospheric chemical kinetic equations Autor Feng, Fan, Wang, Zifa, Li, Jie, Carmichael, Gregory R.

“…Air pollution models plays a critical role in atmospheric environment research. Chemical kinetic equations is an important component of air pollution models…”
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Finite Fourier transforms computed by a modified Filon–Euler–Maclaurin method Autor Sprung, D.W.L., Betti, M.I., van Dijk, W.

“…The Filon–Euler–Maclaurin (FEM) method for computing the finite Fourier transform of a function in terms of the fast Fourier transform plus end point corrections is presented…”
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An Oscillation-Free Bound-Preserving Discontinuous Galerkin Method for Multi-component Chemically Reacting Flows Autor Du, Jie, Liu, Yong, Yang, Yang

“… Two common governing equations are considered: reactive Euler equations and Navier–Stokes equations. Based on our recently developed high-order bound-preserving discontinuous Galerkin method in Du and Yang…”
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Positivity-Preserving Time Discretizations for Production–Destruction Equations with Applications to Non-equilibrium Flows Autor Huang, Juntao, Shu, Chi-Wang

“…In this paper, we construct a family of modified Patankar Runge–Kutta methods, which is conservative and unconditionally positivity-preserving, for production…”
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A Third-Order Unconditionally Positivity-Preserving Scheme for Production–Destruction Equations with Applications to Non-equilibrium Flows Autor Huang, Juntao, Zhao, Weifeng, Shu, Chi-Wang

“… ) and develop a third-order unconditionally positivity-preserving modified Patankar Runge–Kutta method for production…”
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Application of Dimension Extending Technique to Unified Hardening Model Autor Chen, Qian, Zheng, Hong, Tian, Dongshuai

“…This paper provides the process of incremental constitutive integration for the unified hardening model combined with the transformation stress method…”
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Distributed optimization for uncertain Euler–Lagrange Systems with local and relative measurements Autor Qin, Zhengyan, Jiang, Liangze, Liu, Tengfei, Jiang, Zhong-Ping

“… Based on a seamless integration of a modified distributed optimization algorithm and a Lyapunov-based nonlinear control design, distributed controllers are developed to exponentially steer…”
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Integration algorithm for a modified Yoshida–Uemori model to simulate cyclic plasticity in extremely large plastic strain ranges up to fracture Autor Jia, Liang-Jiu

“…•A model to describe cyclic plasticity till fracture was implemented.•An adaptive substepping algorithm was proposed for the backward-Euler method…”
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Uniaxial tensile constitutive model of fiber reinforced concrete considering bridging effect and its numerical algorithm Autor Jiang, Jinyang, Luo, Qi, Wang, Fengjuan, Sun, Guowen, Liu, Zhiyong

“… Due to the linear simplification on plain concrete's constitutive model, and adoption of the explicit modified Euler integral algorithm, the solving process of this numerical model is greatly simplified…”
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Experimental and numerical investigation on ductile fracture mechanism of aluminium alloy using new modified model Autor Zhao, R., Zhao, S., Guo, J., Zhong, B., Li, J.

“… A stress integration algorithm based on the general backward Euler return algorithm was developed and implemented into finite element (FE…”
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