Engineering Computations: Volume 36 Issue 8

Guest editorial

Zhuo Zhuang, Song Cen, Qing Zhang

On the response and prediction of multi-layered flexible riser under combined load conditions

Mengsha Liu, J.Y. Li, Lixin Chen, J.S. Ju

The internal force is more complicated in a combined load case than in a single load case, and the influence of the combined load on the stress cannot be neglected. The purpose of…

Research progress of high-performance BEM and investigation on convergence of GMRES in local stress analysis of slender real thin-plate beams

Zhenhan Yao, Xiaoping Zheng, Han Yuan, Jinlong Feng

Based on the error analysis, the authors proposed a new kind of high accuracy boundary element method (BEM) (HABEM), and for the large-scale problems, the fast algorithm, such as…

Refined bond-based peridynamics for thermal diffusion

Xin Gu, Qing Zhang, Erdogan Madenci

This paper aims to review the existing bond-based peridynamic (PD) and state-based PD heat conduction models, and further propose a refined bond-based PD thermal conduction model…

Energy absorption properties of thin-walled square tube with lateral piecewise variable thickness under axial crashing

Shutian Liu, Xueshan Ding, Zeqi Tong

This paper aims to study the energy absorption properties of the thin-walled square tube with lateral piecewise variable thickness under axial crashing and the influence of the…

A velocity corrected unresolved CFD-DEM coupled method to reproduce wake effects at moderate Reynolds number

Zekun Wang, Khuram Walayat, Moubin Liu

The purpose of this paper is to develop a corrected unresolved CFD-DEM method that can reproduce the wake effects in modeling particulate flows at moderate Reynolds number.

A three-layer mechanical model for the analysis of effects of pia matter on cortical folding

Linlin Wang, Jianyao Yao, Huiming Ning, Liangke Wu, Dongyang Sun, Ning Hu

This paper aims to investigate the effects of the pia matter on cerebral cortical folding.

A direct topological reanalysis algorithm based on updating matrix triangular factorization

Ren Yang, Qi Song, Pu Chen

The purpose of this paper is to establish and implement a direct topological reanalysis algorithm for general successive structural modifications, based on the updating matrix…

Theoretical and numerical models for the influence of debonding on the interaction between hydraulic fracture and natural fracture

Tao Wang, Zhanli Liu, Yue Gao, Xuan Ye, Zhuo Zhuang

The interaction between hydraulic fracture (HF) and natural fracture (NF) in naturally fractured rocks is critical for hydraulic fracturing. This paper aims to focus on…

Numerical modeling of the simultaneous propagation of multiple hydraulic fractures with fluid lags

Qinglei Zeng, Zhanli Liu, Tao Wang, Yue Gao, Zhuo Zhuang

The purpose of this paper is to develop a numerical method to model the simultaneous propagation of multiple hydraulic fractures (HFs) with fluid lags driven from a horizontal…

Statistical study of the void structure of Bi2212 multifilamentary superconducting wires and its effect on the critical current density

Xin-Xin Zhou, Feng Xue, Xiaofan Gou, Teng-Ming Shen

Multifilamentary Bi₂Sr₂CaCu₂O_x (Bi2212) superconductor composite wires are the only high-temperature superconducting round wires (RW) with sufficient critical current density (J_c…

Modelling and simulation of the expansion of a shape memory polymer stent

Ruoxuan Liu, Sean Mcginty, Fangsen Cui, Xiaoyu Luo, Zishun Liu

The purpose of this paper is to demonstrate the feasibility of using shape memory polymer (SMP) for developing vascular stent. In particular, the expansion performance is analyzed…

Free element method and its application in CFD

X.W. Gao, Huayu Liu, Miao Cui, Kai Yang, Haifeng Peng

The purpose of this paper is to propose a new strong-form numerical method, called the free element method, for solving general boundary value problems governed by partial…

A coupled MMALE-FE method for solving 3D fluid-solid interaction problems with multi-material flow

Xiang Chen, Xiong Zhang

The simulation of the fluid–solid interaction (FSI) problem is important for both academic studies and engineering applications. However, the numerical approach for simulating the…

Numerical simulation of ship motion fully coupled with sloshing tanks by naoe-FOAM-SJTU solver

Yuan Zhuang, Decheng Wan

The purpose of this paper is to verify the ability of our in-house solver naoe-FOAM-SJTU to solve the problem of exterior fluid field coupled with interior fluid field and…

Some advances in high-performance finite element methods

Song Cen, Cheng Jin Wu, Zhi Li, Yan Shang, Chenfeng Li

The purpose of this paper is to give a review on the newest developments of high-performance finite element methods (FEMs), and exhibit the recent contributions achieved by the…

A novel scheme for imposing periodic boundary conditions on RVE in second-order computational homogenization for granular material

Xikui Li, Songge Zhang, Qinglin Duan

This paper aims to present a novel scheme for imposing periodic boundary conditions with downscaled macroscopic strain measures of gradient Cosserat continuum on the…

Mixed multiscale three-node triangular elements for incompressible elasticity

Wenan Wu, Hong Zheng

This study aims to introduce the hybrid finite element (FE) – meshfree method and multiscale variational principle into the traditional mixed FE formulation, leading to a stable…

Parallel algorithms for moving boundary problems by local remeshing

Lisha He, Jianjing Zheng, Yao Zheng, Jianjun Chen, Xuan Zhou, Zhoufang Xiao

The purpose of this paper is to develop parallel algorithms for moving boundary simulations by local remeshing and compose them to a fully parallel simulation cycle for the…

Multi-scale analysis for helically wound structures with one-dimensional periodicity

Jun Yan, Haitao Hu, Zhixun Yang, Rui Wan, Yang Li

The purpose of this study is to present a multi-scale analysis methodology for calculating the effective stiffnesses and the micro stresses of helically wound structures…