Search Results - "LI, XIKUI"

Second-order accurate derivatives and integration schemes for meshfree methods by Duan, Qinglin, Li, Xikui, Zhang, Hongwu, Belytschko, Ted

“…SUMMARY The consistency condition for the nodal derivatives in traditional meshfree Galerkin methods is only the differentiation of the approximation…”
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A new model for heat transfer through the contact network of randomly packed granular material by Liang, Yuanbo, Li, Xikui

“…A new model termed as the parallel-column model for heat transfer through the contact network of the granular materials with random packing structure is…”
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A micro–macro homogenization approach for discrete particle assembly – Cosserat continuum modeling of granular materials by Li, Xikui, Liu, Qipeng, Zhang, Junbo

“…Based on Hill’s lemma for classical Cauchy continuum, a version of Hill’s lemma for micro–macro homogenization modeling of Cosserat continuum is derived. The…”
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A generalized Hill’s lemma and micromechanically based macroscopic constitutive model for heterogeneous granular materials by Li, Xikui, Zhang, Xue, Zhang, Junbo

“…Based on the Hill’s lemma for classical Cauchy continuum, a generalized Hill’s lemma for micro–macro homogenization modeling of gradient-enhanced Cosserat…”
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Numerical simulation and experimental verification of the filling stage in injection molding by Wang, Wei, Li, Xikui, Han, Xianhong

“…The linear low‐density polyethylene melt is described by the modified Cross model, the dependence of melt viscosity on temperature incorporated with the…”
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Numerical modeling of viscoelastic flows using equal low-order finite elements by Li, Xikui, Han, Xianhong, Wang, Xuanping

“…A mixed finite element scheme abbreviated as I_PS_DEVSS_CNBS scheme for modeling viscoelastic flow problems is presented. The finite incremental calculus (FIC)…”
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Quadratically consistent one-point (QC1) quadrature for meshfree Galerkin methods by Duan, Qinglin, Li, Xikui, Zhang, Hongwu, Wang, Bingbing, Gao, Xin

“…A robust and efficient integration method, named quadratically consistent one-point (QC1) scheme, which evaluates the Galerkin weak form only at the centers of…”
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An ALE based iterative CBS algorithm for non-isothermal non-Newtonian flow with adaptive coupled finite element and meshfree method by Duan, Qinglin, Li, Xikui

“…This paper presents a generalized scheme of the fractional step algorithm using Characteristic Based Split (CBS) in ALE framework for the numerical simulation…”
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Micro-macro homogenization of gradient-enhanced Cosserat media by Li, Xikui, Zhang, Junbo, Zhang, Xue

“…Based on the Hill’s lemma for classical Cauchy continuum, a generalized Hill’s lemma for micro-macro homogenization modeling of heterogeneous gradient-enhanced…”
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Meso-hydro-mechanically informed effective stresses and effective pressures for saturated and unsaturated porous media by Li, Xikui, Du, Youyao, Zhang, Songge, Duan, Qinglin, Schrefler, B.A.

“…Based on the meso-structured Voronoi cell model and the meso-macro homogenization procedure between the discrete particle assembly and the porous continuum for…”
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Numerical simulation of three dimensional non-Newtonian free surface flows in injection molding using ALE finite element method by Wang, Xuanping, Li, Xikui

“…This paper presents a scheme for numerical simulation of non-Newtonian fluid flows in three-dimensional injection molding process using arbitrary…”
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A consistent return mapping algorithm for pressure-dependent elastoplastic Cosserat continua and modelling of strain localisation by Li, Xikui, Tang, Hongxiang

“…A pressure-dependent elastoplastic Cosserat continuum model is presented in this paper. Splitting the scalar product of the stress rate and the strain rate…”
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An iterative stabilized CNBS–CG scheme for incompressible non-isothermal non-Newtonian fluid flow by Han, Xianhong, Li, Xikui

“…An iterative stabilized fractional step scheme abbreviated as I-CNBS–CG is developed, in which the Crank–Nicolson method based split (CNBS) scheme and the…”
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Meshfree iterative stabilized Taylor–Galerkin and characteristic-based split (CBS) algorithms for incompressible N–S equations by Li, Xikui, Duan, Qinglin

“…This paper presents two stabilized schemes of the fractional step algorithm using characteristic-based split and Taylor–Galerkin like based split respectively…”
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A numerical study of constitutive models endowed with Pom-Pom molecular attributes by Wang, Wei, Li, Xikui, Han, Xianhong

“…The branched polymer melts are modeled respectively in this investigation by the existing XPP and PTT–XPP models, along with the proposed S-MDCPP…”
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A Coupled Chemo-Elastoplastic-Damage Constitutive Model for Plain Concrete Subjected to High Temperature by Li, Rongtao, Li, Xikui

“…A coupled elastoplastic-damage constitutive model taking into account chemo-induced elastoplastic-damage effects for the modeling of coupled…”
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Application of the time discontinuous Galerkin finite element method to heat wave simulation by Wu, Wenhua, Li, Xikui

“…This paper deals with the numerical simulation of heat wave propagation in the medium subjected to different kinds of heat source, particularly heat impulse…”
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Adaptive coupled arbitrary Lagrangian-Eulerian finite element and meshfree method for injection molding process by Li, Xikui, Duan, Qinglin, Han, Xianhong, Sheng, D. C.

“…This paper presents an adaptive method that couples the finite element (FE) method and the meshfree (MF) method in the arbitrary Lagrangian–Eulerian (ALE)…”
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An iterative pressure-stabilized fractional step algorithm in saturated soil dynamics by Li, Xikui, Zhang, Xue, Han, Xianhong, Sheng, D. C.

“…This paper presents an iterative, incremental pressure‐stabilized fractional step algorithm for coupled hydro‐mechanical problems with mixed formulations of…”
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An iterative stabilized fractional step algorithm for finite element analysis in saturated soil dynamics by Li, Xikui, Han, Xianhong, Pastor, M.

“…The discretization of the u –p model for saturated porous media results in the semi-discrete system of mixed type in displacements and pressures. The…”
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