Engineering Computations: Volume 34 Issue 3

A constrained optimization solution for Caughey damping coefficients in seismic analysis

Danguang Pan, Chenfeng Li

Extended from the classic Rayleigh damping model in structural dynamics, the Caughey damping model allows the damping ratios to be specified in multiple modes while satisfying the…

Parallelized numerical modeling of the interaction of a solid object with immiscible incompressible two-phase fluid flow

Amirmahdi Ghasemi, R. Nikbakhti, Amirreza Ghasemi, Faraz Hedayati, Amir Malvandi

A numerical method is developed to capture the interaction of solid object with two-phase flow with high density ratios. The current computational tool would be the first step of…

Computation of coupled effects of root and shoot characteristics on transpiration based on optimization approach

Wan-Huan Zhou, Ankit Garg, Akhil Garg

Water balance is measured by transpiration, which has a significant impact on the performance of geotechnical infrastructure (vegetated slopes), ecological infrastructure…

A comparative study of wall jet flow containing carbon nanotubes with convective heat transfer and MHD

Syed Zulfiqar Ali Zaidi, Syed Tauseef Mohyud-din, Bandar Bin-Mohsen

The purpose of this study is to conduct a comparative investigation for incompressible electrically conducting nanofluid fluid through wall jet. Single-walled carbon nanotubes…

Multi-scale model updating of a timber footbridge using experimental vibration data

Rafael Castro-Triguero, Enrique Garcia-Macias, Erick Saavedra Flores, M.I. Friswell, Rafael Gallego

The purpose of this paper is to capture the actual structural behavior of the longest timber footbridge in Spain by means of a multi-scale model updating approach in conjunction…

Double position sensitive detectors (PSDs) based measurement system of trajectory tracking of a moving target

Xiaohong Lu, Zhenyuan Jia, Xiaochen Hu, Wentao Wang

The purpose of this paper is to achieve the trajectory tracking measurement of a moving target based on double position sensitive detectors (PSDs).

Simulation of partial differential equations models in Java

María José Cano, Eliseo Chacon-Vera, Francisco Esquembre

Computer simulations improve the knowledge of physical models and are widely used in teaching and research. Key aspects are to understand their solutions and to make interactive…

A robust finite volume method for three-dimensional filling simulation of plastic injection molding

Junjie Liang, Wan Luo, Zhigao Huang, Huamin Zhou, Yun Zhang, Yi Zhang, Yang Fu

The purpose of this paper is to develop a finite volume approach for the simulation of three-dimensional two-phase (polymer melt and air) flow in plastic injection molding which…

Numerical comparison of some contact detection algorithms

Guillermo Gonzalo Schiava D'Albano, Tomas Lukas, Fang Su, Theodosios Korakianitis, Ante Munjiza

Contact interaction and contact detection (CD) remain key components of any discontinua simulations. The methods of discontinua include combined finite-discrete element method…

MHD nanofluid flow through a deformable asymmetric porous channel

Naveed Ahmed, Umar Khan, Syed Tauseef Mohyud-din

The aim of this manuscript is to study the flow of a nanofluid through a porous channel under the influence of a transverse magnetic field. Permeability of the walls is…

Numerical solution of mixed convection in a lid-driven cavity with arc-shaped moving wall

Muneer A. Ismael

This paper investigates a numerical treatment to steady mixed convection in a lid-driven square cavity with arc-shaped moving wall or lid. The horizontal walls are thermally…

MHD squeezing flow between two parallel disks with suction or injection via Legendre wavelet-quasilinearization technique

Syed Tauseef Mohyud-din, Muhammad Asad Iqbal, Umar Khan, Xiao-Jun Yang

This paper aims to propose a method by merging Legendre wavelets method and quasilinearization technique to tackle with the nonlinearity and to get better and more accurate…

Computation of accurate solutions when using element-free Galerkin methods for solving structural problems

Grand Roman Joldes, Peter Teakle, Adam Wittek, Karol Miller

This paper aims to investigate the application of adaptive integration in element-free Galerkin methods for solving problems in structural and solid mechanics to obtain accurate…

Parameter identification for a Cowper-Symonds material model using a genetic algorithm combined with a response surface

Andrej Škrlec, Jernej Klemenc

In conditions where a product is subjected to extreme mechanical loading in a very short time, a strain rate has a significant influence on the behaviour of the product’s…

Macro-modeling of spot weld strength and failure: Formulation and identification procedure based on pure and mixed modes of loading

Rim Chtourou, Nicolas Leconte, Bassem Zouari, Fahmi Chaari, Eric Markiewicz, Bertrand Langrand

This paper aims to propose a macro modeling approach to simulate the mechanical behavior and the failure of spot welded joints in structural crashworthiness computations.

Semi-analytical and semi-numerical method for the single soil layer consolidation problem

Tao Cheng, Keqin Yan, Jun-Jie Zheng, Xian-Feng Luo, Ding-Bang Zhang, Wan-Hui Xu, Ren-Jie Hu, Yi Zhang

This paper aims to present a simplified solution method for the elasto-plastic consolidation problem under different stress paths.

A computational framework for a two-scale generalized/extended finite element method: Generic imposition of boundary conditions

Mohammad Malekan, Felício Barros, Roque Luiz da Silva Pitangueira, Phillipe Daniel Alves, Samuel Silva Penna

This paper aims to present a computational framework to generate numeric enrichment functions for two-dimensional problems dealing with single/multiple local phenomenon/phenomena…

Creep strain rates analysis in cylinder under temperature gradient materials by using Seth’s theory

Pankaj Thakur, Nishi Gupta, Satya Bir Singh

The purpose of this paper is to present study of creep strain rates in a circular cylinder under temperature gradient materials by using Seth’s transition theory.