Engineering Computations: Volume 36 Issue 7

A virtual element method for frictional contact including large deformations

Peter Wriggers, Wilhelm T. Rust

This paper aims to describe the application of the virtual element method (VEM) to contact problems between elastic bodies.

A modified method for solving non-linear time and space fractional partial differential equations

Umer Saeed, Muhammad Umair

The purpose of the paper is to extend the differential quadrature method (DQM) for solving time and space fractional non-linear partial differential equations on a semi-infinite…

Stochastic natural frequency analysis of skewed sandwich plates

R.R. Kumar, P.K. Karsh, Vaishali , K.M. Pandey, S. Dey

The purpose of this paper is to investigate the first three stochastic natural frequencies of skewed sandwich plates, considering uncertain system parameters. To conduct the…

A relaxed structural mechanics and fuzzy control for fluid–structure dynamic analysis

Tim Chen, Safiullahand Khurram, CYJ Cheng

This paper aims to deal with the problem of the global stabilization for a class of tension leg platform (TLP) nonlinear control systems.

Seismic response analysis of frame with friction damper

Min Zhang, Dongzhuo Wang

This paper aims to study the seismic response of frame structure with friction dampers.

A time discontinuous Galerkin isogeometric analysis method for non-Fourier thermal wave propagation problem

Yang Xia, Pan Guo

Numerical instability such as spurious oscillation is an important problem in the simulation of heat wave propagation. The purpose of this study is to propose a time discontinuous…

An improved sexual genetic algorithm for solving 0/1 multidimensional knapsack problem

Soukaina Laabadi, Mohamed Naimi, Hassan El Amri, Boujemâa Achchab

The purpose of this paper is to provide an improved genetic algorithm to solve 0/1 multidimensional knapsack problem (0/1 MKP), by proposing new selection and crossover operators…

Reliable data-driven modeling of high-frequency structures by means of nested kriging with enhanced design of experiments

Slawomir Koziel, Anna Pietrenko-Dabrowska

A framework for reliable modeling of high-frequency structures by nested kriging with an improved sampling procedure is developed and extensively validated. A comprehensive…

Solutions of time-fractional third- and fifth-order Korteweg–de-Vries equations using homotopy perturbation transform method

Perumandla Karunakar, Snehashish Chakraverty

This study aims to find the solution of time-fractional Korteweg–de-Vries (tfKdV) equations which may be used for modeling various wave phenomena using homotopy perturbation…

A new spectral integral equation method for solving two-dimensional unsteady advection-diffusion equations via Chebyshev polynomials

Mohsen Hadadian Nejad Yousefi, Seyed Hossein Ghoreishi Najafabadi, Emran Tohidi

The purpose of this paper is to develop an efficient and reliable spectral integral equation method for solving two-dimensional unsteady advection-diffusion equations.

A practical comparison between the spectral techniques in solving the SDEs

Mohamed El-Beltagy

The paper aims to compare and clarify the differences and between the two well-known decomposition spectral techniques; the Winer–Chaos expansion (WCE) and the Winer–Hermite…

Analysis for center deviation of circular target under perspective projection

Yu Sun

Accurate feature localization is a fundamental problem in computer vision and visual measurement. In a perspective projection model of the camera, the projected center of a…

Research on softening curve of recycled concrete using base force element method in meso-level

Yijiang Peng, Xiyun Chen, Liping Ying, Mahmoud M.A. Kamel

Based on the base force element method, a two-dimensional random circle aggregate model with Monte Carlo principle is proposed to carry out research on softening curve in…

Punching in two-way RC flat slabs with openings and L section columns

Valdemir Colares Pinto, Vitor Branco, Denio Ramam Oliveira

This study aims to contribute to a better understanding of the influence of the position of openings around L cross-section columns in reinforced concrete flat slabs through a…

A stable high-order absorbing boundary based on continued fraction for scalar wave propagation in 2D and 3D unbounded layers

Huifang Li, Mi Zhao, Lihua Wu, Piguang Wang, Xiuli Du

The purpose of this paper is to propose a stable high-order absorbing boundary condition (ABC) based on new continued fraction for scalar wave propagation in 2D and 3D unbounded…

Numerical modelling of granular column collapse using coupled Eulerian–Lagrangian technique with critical state soil model

Ze-Xiang Wu, Hui Ji, Jian Han, Chuang Yu

Current modellings of granular collapse are lack of considering the effect of soil density. This paper aims to present a numerical method to analyse the collapse of granular…