Engineering Computations: Volume 32 Issue 8

Variants of an adaptive penalty scheme for steady-state genetic algorithms in engineering optimization

Afonso C.C Lemonge, Helio J.C. Barbosa, Heder S. Bernardino

– The purpose of this paper is to propose variants of an adaptive penalty scheme for steady-state genetic algorithms applied to constrained engineering optimization problems.

Evolving genetic programming models of higher generalization ability in modelling of turning process

Akhil Garg, Kang Tai

Generalization ability of genetic programming (GP) models relies highly on the choice of parameter settings chosen and the fitness function used. The purpose of this paper is to…

Target acceleration method for analysis of RC structures

Ivan Balic, Ante Mihanovic, Boris Trogrlic

The purpose of this paper is to present a new modification of the multimodal pushover method, named the target acceleration method. The target acceleration is the minimum…

An efficient return mapping algorithm for elastoplasticity with exact closed form solution of the local constitutive problem

Fabio De Angelis, Robert L. Taylor

The purpose of this paper is to present an efficient return mapping algorithm for elastoplastic constitutive problems of ductile metals with an exact closed form solution of the…

Acoustic analysis using a mass-redistributed smoothed finite element method with quadrilateral mesh

Zhicheng He, Guangyao Li, Guiyong Zhang, Gui-Rong Liu, Yuantong Gu, Eric Li

In this work, an SFEM is proposed for solving acoustic problems by redistributing the entries in the mass matrix to “tune” the balance between “stiffness” and “mass” of discrete…

Simulations of two-dimensional steady isothermal and non-isothermal steady flows with slip for a viscoelastic memory-integral fluid

Adel Chine, Amine Ammar, J.R. Clermont

The purpose of this paper is to compute flow effects of the transition from adherence-to-slip in two-dimensional flows, for a polymer melt obeying a memory-integral viscoelastic…

A new methodology for assessing the global dynamic response of large shell structures under impact loading

Christophe Rouzaud, Fabrice Gatuingt, Olivier Dorival, Guillaume Herve, Louis Kovalevsky

The determination of the vibration induced by an aircraft impact on an industrial structure requires dynamic studies. The determination of the response by using classical finite…

Numerical analysis on effect of support engineering on flame propagation from gas explosion accident in mining

Lei Pang, Lei Liu, Yong Kang, Pengfei Lv

Gas explosion is one of the most major types of accident in mining projects, and the flame front with high temperature is major hazardous factor induced by this kind of accident…

A kernel-independent fast multipole BEM for large-scale elastodynamic analysis

Yanchuang Cao, Junjie Rong, Lihua Wen, Jinyou Xiao

The purpose of this paper is to develop an easy-to-implement and accurate fast boundary element method (BEM) for solving large-scale elastodynamic problems in frequency and time…

Forced convection heat and mass transfer of MHD nanofluid flow inside a porous microchannel with chemical reaction on the walls

S. A. Moshizi

The purpose of this paper is to focus on convective heat and mass transfer characteristics of Cu-water nanofluid inside a porous microchannel in the presence of a uniform magnetic…

New agent-based proactive migration method and system for Big Data Environment (BDE)

De-gan Zhang, Xiao-dong Song, Xiang Wang, Ke Li, Wen-bin Li, Zhen Ma

Mobile Service of Big Data can be supported by the fused technologies of computing, communication and digital multimedia. The purpose of this paper is to propose new agent-based…

An efficient numerical and experimental system identification approach for a flexible manipulator

Bahram Tarvirdizadeh, Esmaeel Khanmirza, Morteza Ebrahimi, Ahmad Kalhor, Shidvash Vakilipour

The purpose of this paper is to propose an efficient and straightforward approach for system identification of a rotating single link flexible manipulator (RSLFM). Also, the…

A collaborative optimization framework for parametric and parameter-free variables

W. Li, Y Wen, L X Li

The purpose of this paper is to improve the framework of classical collaborative optimization (CCO) so as to solve the multi-disciplinary optimization problems with parametric and…