Engineering Computations: Volume 33 Issue 2

Random vibration analysis for coupled vehicle-track systems with uncertain parameters

Pan Xiang, Yan Zhao, Jiahao Lin, D Kennedy, Fred W Williams

The purpose of this paper is to present a new random vibration-based assessment method for coupled vehicle-track systems with uncertain parameters when subjected to random track…

A computational and experimental study for the optimum reinforcement layout design of an RC frame

Fatih Mehmet ÖZKAL, Habib UYSAL

Compared with conventional design methods, strut-and-tie modeling is a more suitable and even a superior method for the reinforcement layout design of structural members with…

Hybrid vibration and rest-to-rest control of a two-link flexible robotic arm using H∞ loop-shaping control design

Mostafa sayahkarajy, Z Mohamed, A.A.M. Faudzi, E. Supriyanto

This study presents a method for simultaneous motion and vibration control of light-weight slender robotic arms, known as flexible manipulators. In this paper, a new control…

Design of energy efficient RAL system using evolutionary algorithms

Mukund J Nilakantan, S G Ponnambalam, Jawahar N

Manufacturing industries these days gives importance to reduce the energy consumption due to the increase in energy prices and to create an environmental friendly industry…

DEM modeling of cantilever retaining excavations: implications for lunar constructions

Mingjing Jiang, Zhifu Shen, Stefano Utili

Retained excavation is important for future lunar exploratory missions and potential human colonization that requires the construction of permanent outposts. Knowledge in…

Approximation based curvilinear local search for optimization problems

Fatih Yaman, Asim Egemen Yilmaz, Kemal Leblebicioğlu

At this work, we propose a local approximation based search method to optimize any function. For this purpose, an approximation method is combined with an estimation filter, and a…

Squeeze film behavior in porous transversely circular stepped plates with a couple stress fluid

Santhana Krishnan Narayanan, A Chamkha, Sundarammal Kesavan

The purpose of this work is to carry our a study of the effect of surface roughness on squeeze film behavior between two transversely circular stepped plates with couple stress…

Trust-region reflective optimisation to obtain soil visco-plastic properties

Thu Minh Le, Behzad Fatahi

A non-linear creep function embedded in an elastic visco-plastic (EVP) model can simulate the decrease of creep compression rate with time. It overcomes the limitation of a linear…

A new strain-based finite element for plane elasticity problems

Djamal Hamadi, Ashraf Ayoub, Toufik Maalem

In this paper, a new quadrilateral strain-based element is developed. The element has five nodes, four at the corners as well as an internal node.

Update to "Extraction of elementary siphons in a class of generalized Petri nets using graph theory" [Engineering Computations (2014) 31(2)331-352]

YiFan Hou, Mi Zhao

The purpose of this paper is to correct some mistakes in recently published paper (Hou, Y.F., Li, Z.W., Zhao, M., and Liu, D. (2014) “Extraction of elementary siphons in a class…

A comparative study on the computation of directional overcurrent relay coordination in power systems using PSO and TLBO based optimization

Debasree Saha, Asim Datta, Biman Kumar Saha Roy, Priyanath Das

Directional Overcurrent Relay (DOCR) coordination computation allowing for desired and high level accuracy in interconnected power systems is very difficult and is a highly…

Routing algorithm with QoS constraints for real time multicast communications using particle swarm optimization and genetic meta-optimizer

YEISON JULIAN CAMARGO, Leonardo Juan Ramirez, Ana Karina Martinez

The current work shows an approach to solve the QoS multicast routing problem by using Particle Swarm Optimization (PSO).The problem of finding a route from a source node to…

Analysis of the internal flow behavior on S-shaped region of a Francis pump turbine on turbine mode

Yexiang Xiao, Wei Zhu, Zhengwei Wang, jin zhang, Chongji Zeng, Yangyang Yao

Numerically analyzed the flow characteristic and explored the hydrodynamic mechanism of the S-shaped region formation of a Francis pump-turbine.

A second-order perturbation method for fuzzy eigenvalue problems

Mengwu Guo, Hongzhi Zhong, Kuan You

For eigenvalue problems containing uncertain inputs characterized by fuzzy basic parameters, first-order perturbation methods have been developed to extract eigen-solutions, but…

On the iterative methods for weighted linear least squares problem

Hashem Saberi, SA Edalatpanah

The Weighted Linear Least Squares (WLLS) problem has many different applications in sciences and engineering. The purpose of this paper is to introduce an iterative scheme for…

Simulation of one dimension shock initiation of condensed explosive by SPH method

Gang Yang, Rangqi Liu, De'an Hu, Xu Han

This paper aims to study the ability of SPH method in simulating shock initiation process. The initiation and subsequent explosion processes of condensed explosive involve high…

Numerical investigation of clocking effect on a centrifugal pump with inlet guide vanes

WANSHI QU, lei tan, Shuliang CAO, YUCHUAN WANG, YUN XU

The paper aims to investigate the clocking effect on a centrifugal pump with inlet guide vanes (IGVs).