Engineering Computations: Volume 39 Issue 5

Comparative assessments of strain measures for nonlinear analysis of truss structures at large deformations

Marcelo Greco, Daniel Henrique Nunes Peixoto

In this paper the use of classical strain measures in analysis of trusses at finite deformations will be discussed. The results will be compared to the ones acquired using a novel…

Solving binary programming problems using homotopy theory ideas

Lilia Alanís-López, Martha-Selene Casas-Ramírez, José-Fernando Camacho-Vallejo

The aim of the study is to show that merging two areas of mathematics – topology and discrete optimization – could result in a viable option to solve classical or specialized…

Modeling and dynamics simulation of spur gear system incorporating the effect of lubrication condition and input shaft crack

Junguo Wang, Zhaoyuan Yao, M.F. Hassan, Yongxiang Zhao

The paper is devoted to presenting a systematic investigation on the mechanical model and nonlinear dynamic characteristics of spur gear system with and without input shaft crack.

Simulation of particles screening in pulsating negative pressure shale shaker by coupling CFD and DEM

Peng Yin, Yongjun Hou, Xianjin Wu

The purpose of this paper is to obtain the combination of working parameters suitable for pulsating negative pressure shale shaker through simulation, which is conducive to…

Thermal buckling behavior of power and sigmoid functionally graded material sandwich plates using nonpolynomial shear deformation theories

Supen Kumar Sah, Anup Ghosh

The purpose of this article is to carry out the thermal buckling analysis of power and sigmoid functionally graded material Sandwich plate (P-FGM and S-FGM) under uniform, linear…

Initial stress and heterogeneity effects on torsional waves in dry sand half-space between reinforced half-space and poroelastic medium

Latha Madhuri Poonem, Rajitha Gurijala, Sindhuja Ala, Malla Reddy Perati

The purpose of this paper is to investigate the effect of initial stress and heterogeneity on the propagation of torsional waves in dissipative medium. The problem consists of dry…

Fractional order plasma modeling based on linear polarization of LASER light: an Atangana–Baleanu Caputo approach

Tamour Zubair, Muhammad Usman, Tiao Lu

The purpose of this offered research is to articulate a multifaceted kind of highly unstable initial perturbation and further analyze the performance of the plasma particles for…

Semi-analytical finite element method for simulating chemical dissolution-front instability problems in fluid-saturated porous media

Chongbin Zhao, B.E. Hobbs, Alison Ord

The objective of this paper is to develop a semi-analytical finite element method for solving chemical dissolution-front instability problems in fluid-saturated porous media.

Motion control of the two joint planar robotic manipulators through accelerated Dai–Liao method for solving system of nonlinear equations

Abubakar Sani Halilu, Arunava Majumder, Mohammed Yusuf Waziri, Kabiru Ahmed, Aliyu Muhammed Awwal

The purpose of this research is to propose a new choice of nonnegative parameter t in Dai–Liao conjugate gradient method.

A numerical algorithm to find optimum parameters of a flexible-link manipulator arm for performing payload launching

Khalil Alipour, Bahram Tarvirdizadeh

The aim of the current study is proposing a novel framework to attain the optimum value of a flexible arm manipulator parameters for payload launching missions.

An hp-version adaptive finite element algorithm for eigensolutions of moderately thick circular cylindrical shells via error homogenisation and higher-order interpolation

Yongliang Wang, Jianhui Wang

This study presents a novel hp-version adaptive finite element method (FEM) to investigate the high-precision eigensolutions of the free vibration of moderately thick circular…

The numerical simulation of rock mass grouting: a literature review

Fei Tong, Jie Yang, Meng Qiang Duan, Xu Fei Ma, Gao Chao Li

The purpose of this article is to understand the current research status and future development trends in the field of numerical simulation on rock mass grouting.

Vibration analysis of two-dimensional micromorphic structures using quadrilateral and triangular elements

Mina Kohansal Vajargah, Reza Ansari

The paper aims to presents a numerical analysis of free vibration of micromorphic structures subjected to various boundary conditions.

Discrete element model calibration based on in situ measurements

Istvan Keppler, Adrienn Bablena, Nihal D. Salman, Péter Kiss

Transportation of the measurement samples from their original place to the measurement site causes significant changes in their mechanical properties. The possibility of making in…

Y-Mat: an improved hybrid finite-discrete element code for addressing geotechnical and geological engineering problems

Gang Liu, Fengshan Ma, Maosheng Zhang, Jie Guo, Jun Jia

Continua and discontinua coexist in natural rock materials. This paper aims to present an improved approach for addressing the mechanical response of rock masses based on the…

Bifurcation analysis and chaos control in Zhou's dynamical system

E. S. Aly, M. M. El-Dessoky, M. T. Yassen, E. Saleh, M. A. Aiyashi, Ahmed Hussein Msmali

The purpose of the study is to obtain explicit formulas to determine the stability of periodic solutions to the new system and study the extent of the stability of those periodic…

Short-term cooling load prediction for office buildings based on feature selection scheme and stacking ensemble model

Wenzhong Gao, Xingzong Huang, Mengya Lin, Jing Jia, Zhen Tian

The purpose of this paper is to target on designing a short-term load prediction framework that can accurately predict the cooling load of office buildings.