Engineering Computations: Volume 27 Issue 3

Determination of cable forces in cable‐stayed bridges constructed under parametric uncertainty

Jin Cheng

The existing methods for determining cable forces in cable‐stayed bridges constructed are based on assumption of complete determinacy of structural parameters. This is…

The genetic algorithm approach for shape optimization of powder compaction processes considering contact friction and cap plasticity models

A.R. Khoei, Sh. Keshavarz, A.R. Khaloo

The purpose of this paper is to present a shape optimization technique for powder forming processes based on the genetic algorithm approach. The genetic algorithm is…

Reliability analysis of complex robotic system using Petri nets and fuzzy lambda‐tau methodology

S.P. Sharma, N. Sukavanam, Naveen Kumar, Ajay Kumar

The purpose of this paper is to evaluate various reliability parameters of a multi‐robot system, arranged in a complex configuration. The effects of failures and course of…

Numerical analysis of unsteady flow under high‐head operating conditions in Francis turbine

Xiao Yexiang, Wang Zhengwei, Yan Zongguo, Li Mingan, Xiao Ming, Liu Dingyou

The purpose of this paper is to describe how the hydraulic performance and pressure fluctuations in the entire flow passage of a Francis turbine were predicted numerically…

Comparison and analysis of bubble growth and foam formation models

R. Elshereef, J. Vlachopoulos, A. Elkamel

The main purpose of this paper is to present and compare two different models for bubble growth and foam formation and to conduct a thorough assessment in terms of their…

Eigenfrequencies of symmetric planar trusses via weighted graph symmetry and new canonical forms

A. Kaveh, L. Shahryari

The purpose of this paper is to describe how the method recently developed for mass‐spring systems and frame structures is modified to include the free vibration of trusses.