Engineering Computations: Volume 37 Issue 1

Boundary element analysis for elasticity problems using expanding element interpolation method

Jianming Zhang, Lei Han, Yudong Zhong, Yunqiao Dong, Weicheng Lin

This paper aims to propose a boundary element analysis of two-dimensional linear elasticity problems by a new expanding element interpolation method.

Isogeometric boundary integral formulation for Reissner’s plate problems

Ahmed K. Abdelmoety, Taha H.A. Naga, Youssef F. Rashed

This paper aims to develop a new isogeometric boundary element formulation based on non-uniform rational basis splines (NURBS) curves for solving Reissner’s shear-deformable…

On Minkowski difference-based contact detection in discrete/discontinuous modelling of convex polygons/polyhedra: Algorithms and implementation

Y.T. Feng, Yuanqiang Tan

Contact detection for convex polygons/polyhedra has been a critical issue in discrete/discontinuous modelling, such as the discrete element method (DEM) and the discontinuous…

Efficient uncertainty propagation for MAPOD via polynomial chaos-based Kriging

Xiaosong Du, Leifur Leifsson

Model-assisted probability of detection (MAPOD) is an important approach used as part of assessing the reliability of nondestructive testing systems. The purpose of this paper is…

Vibration-damping characteristic analysis of constrained stand-off layer damping cylindrical shell using Rayleigh-Ritz method

Bijuan Yan, Huijun Liang, Minjie Jin, Zhanlong Li, Yong Song

In the vibration reduction field, constrained stand-off layer damping cylindrical shell plays an important role. However, due to the lack of accurate analysis of its damping…

Fragility curves production by seismic improvement of the high-dimensional model representation method

Payam Asadi, Hosein Sourani

In the absence of random variables, random variables are generated by the Monte Carlo (MC) simulation method. There are some methods for generating fragility curves with fewer…

A novel PGSA–PSO hybrid algorithm for structural optimization

Zhengrong Jiang, Quanpan Lin, Kairong Shi, Wenzhi Pan

The purpose of this paper is to propose a new hybrid algorithm, named improved plant growth simulation algorithm and particle swarm optimization hybrid algorithm (PGSA–PSO hybrid…

Modeling observer happiness from facial hyperspectral sensor

Min Hao, Guangyuan Liu, Desheng Xie, Ming Ye, Jing Cai

Happiness is an important mental emotion and yet becoming a major health concern nowadays. For this reason, better recognizing the objective understanding of how humans respond to…

Accuracy analysis of different higher-order Laplacian models of incompressible SPH method

Zohreh Heydari, Gholamreza Shobeyri, Seyed Hossein Ghoreishi Najafabadi

This paper aims to examine the accuracy of several higher-order incompressible smoothed particle hydrodynamics (ISPH) Laplacian models and compared with the classic model (Shao…

A formulation of membrane finite elements with true drilling rotation: The compatible triangular element

Djamel Boutagouga

This paper aims to describe the formulation of a displacement-based triangular membrane finite element with true drilling rotational degree of freedom (DOF).

Non-invasive implementation of nonlinear isogeometric analysis in an industrial FE software

Marie Tirvaudey, Robin Bouclier, Jean-Charles Passieux, Ludovic Chamoin

The purpose of this paper is to further simplify the use of NURBS in industrial environnements. Although isogeometric analysis (IGA) has been the object of intensive studies over…

Multi-level approach for important component identification and reliability evaluation for complex system by survival signature

Liling Ge, Yingjie Zhang

The purpose of this paper is to identify the critical components of a complex system by using survival signature. First, a complex system is abstracted with varying scales and…

Numerical analysis and simulation of delay parabolic partial differential equation involving a small parameter

Lolugu Govindarao, Jugal Mohapatra

The purpose of this paper is to provide an efficient and robust second-order monotone hybrid scheme for singularly perturbed delay parabolic convection-diffusion initial boundary…

Robustness evaluation of CSMM based finite element for simulation of shear critical hollow RC bridge piers

Vijay Kumar Polimeru, Arghadeep Laskar

The purpose of this study is to evaluate the effectiveness of two-dimensional (2D) cyclic softened membrane model (CSMM)-based non-linear finite element (NLFE) model in predicting…

Rendering optimal design under various uncertainties: A unified approach and application to brake instability study

Hui Lü, Kun Yang, Wen-bin Shangguan, Hui Yin, DJ Yu

The purpose of this paper is to propose a unified optimization design method and apply it to handle the brake squeal instability involving various uncertainties in a unified…

Sobol’ indices as dimension reduction technique in evolutionary-based reliability assessment

Gonçalo das Neves Carneiro, Carlos Conceição António

In the reliability assessment of composite laminate structures with multiple components, the uncertainty space defined around design solutions easily becomes over-dimensioned, and…