Engineering Computations: Volume 37 Issue 2

Efficient computational models for shallow water flows over multilayer erodible beds

Thomas Rowan, Mohammed Seaid

The purpose of this paper is to present a new numerical model for shallow water flows over heterogeneous sedimentary layers. It is already several years since the single-layered…

Applications of surrogate-assisted and multi-fidelity multi-objective optimization algorithms to simulation-based aerodynamic design

Anand Amrit, Leifur Leifsson

The purpose of this work is to apply and compare surrogate-assisted and multi-fidelity, multi-objective optimization (MOO) algorithms to simulation-based aerodynamic design…

Numerical study on instantaneous radial force of a centrifugal pump for different working conditions

Xiaoqi Jia, Sheng Yuan, Zuchao Zhu, Baoling Cui

Instantaneous radial force induced from unsteady flow will intensify vibration noise of the centrifugal pump, especially under off-design working conditions, which will affect…

Convergence improvement of the simultaneous relaxation method used in the finite element analysis of incompressible fluid flows

Haruhiko Kohno

This paper aims to present an improved finite element method used for achieving faster convergence in simulations of incompressible fluid flows. For stable computations of…

An improved genetic algorithm with variable neighborhood search to solve the assembly line balancing problem

Masood Fathi, Amir Nourmohammadi, Amos H.C. Ng, Anna Syberfeldt, Hamidreza Eskandari

This study aims to propose an efficient optimization algorithm to solve the assembly line balancing problem (ALBP). The ALBP arises in high-volume, lean production systems when…

Dimension-adaptive algorithm-based PCE for models with many model parameters

Yangtian Li, Haibin Li, Guangmei Wei

To present the models with many model parameters by polynomial chaos expansion (PCE), and improve the accuracy, this paper aims to present dimension-adaptive algorithm-based PCE…

Identification of inter-turn insulation faults in induction motor

Gopu Venugopal, V. Gopalakrishnan, S.P. Rajkumar

Induction motors (IMs) are considered one of the most important elements of the industrial process. However, in this environment, these machines are subject to electrical and…

Integral and differential nonlocal micromorphic theory: Finite element bending analysis of Timoshenko micro-/nano-beams

Amir Norouzzadeh, Mohammad Faraji Oskouie, Reza Ansari, Hessam Rouhi

This paper aims to combine Eringen’s micromorphic and nonlocal theories and thus develop a comprehensive size-dependent beam model capable of capturing the effects of…

A global sensitivity analysis-assisted sequential optimization tool for plant-fin heat sink design

Enying Li, Zheng Zhou, Hu Wang, Kang Cai

This study aims to suggest and develops a global sensitivity analysis-assisted multi-level sequential optimization method for the heat transfer problem.

Differential geometry of autonomous wheel-legged robots

Vahide Bulut

The purpose of this study is to obtain the differential geometric analysis of autonomous wheel-legged robots and their trajectories on the terrain.

Improved moth flame optimization algorithm to optimize cost-oriented two-sided assembly line balancing

Mohd Fadzil Faisae Ab. Rashid, Ahmad Nasser Mohd Rose, Nik Mohd Zuki Nik Mohamed, Fadhlur Rahman Mohd Romlay

This paper aims to propose an improved Moth Flame Optimization (I-MFO) algorithm to optimize the cost-oriented two-sided assembly line balancing (2S-ALB). Prior to the decision to…

Modelling and simulation of residual stress of strip during continuous annealing process

Chun-Jian Su, Yong Li, De-Xing Yang, Zhen-Hua Bai, Rui Wang, Yu-Ting Lv, Jian-Gao Duan

The purpose of this study is to solve the key problem of the residual stress of strip in buckling and deviation during the continuous annealing process (CAP).

Development of femoral component design geometry by using DMROVAS (design method requiring optimum volume and safety)

Burak Öztürk, Fehmi Erzincanli

This study aims to design a femoral component with minimum volume and maximum safety coefficient. Total knee prosthesis is a well-established therapy in arthroplasty applications…

A hybrid method to update stress for perfect von-Mises plasticity coupled with Lemaitre damage mechanics

Maliheh Tavoosi, Mehrdad Sharifian, Mehrzad Sharifian

The purpose of this paper is to suggest a robust hybrid method for updating the stress and plastic internal variables in plasticity considering damage mechanics.

An interpolating meshless method for the numerical simulation of the time-fractional diffusion equations with error estimates

Jufeng Wang, Fengxin Sun

This paper aims to present an interpolating element-free Galerkin (IEFG) method for the numerical study of the time-fractional diffusion equation, and then discuss the stability…

Fast multi-objective design optimization of microwave and antenna structures using data-driven surrogates and domain segmentation

Slawomir Koziel, Adrian Bekasiewicz

The purpose of this paper is to investigate the strategies and algorithms for expedited design optimization of microwave and antenna structures in multi-objective setup.