Engineering Computations: Volume 33 Issue 8

A preliminary study on the meshless local exponential basis functions method for nonlinear and variable coefficient PDEs

Farshid Mossaiby, Mehdi Ghaderian

The purpose of this paper is to extend the meshless local exponential basis functions (MLEBF) method to the case of nonlinear and linear, variable coefficient partial differential…

A hybrid parallel DEM approach with workload balancing based on HSFC

Diogo Tenório Cintra, Ramiro Brito Willmersdorf, Paulo Roberto Maciel Lyra, William Wagner Matos Lira

The purpose of this paper is to present a methodology of hybrid parallelization applied to the discrete element method that combines message-passing interface and OpenMP to…

A novel message authentication method for VANET without RSU

Alan Dahgwo Yein, Chih-Hsueh Lin, Yu-Hsiu Huang, Wen-Shyong Hsieh, Chung-Nan Lee, Pin-Chun Kuo

Riding on the wave of intelligent transportation systems, the vehicular ad hoc network (VANET) is becoming a popular research topic. VANET is designed to build an environment…

Intelligent motion control of voice coil motor using PID-based fuzzy neural network with optimized membership function

Syuan-Yi Chen, Cheng-Yen Lee, Chien-Hsun Wu, Yi-Hsuan Hung

The purpose of this paper is to develop a proportional-integral-derivative-based fuzzy neural network (PIDFNN) with elitist bacterial foraging optimization (EBFO)-based optimal…

Variable-fidelity CFD models and co-Kriging for expedited multi-objective aerodynamic design optimization

Slawomir Koziel, Yonatan Tesfahunegn, Leifur Leifsson

Strategies for accelerated multi-objective optimization of aerodynamic surfaces are investigated, including the possibility of exploiting surrogate modeling techniques for…

The application of simultaneous elimination and back-substitution method (SEBSM) in finite element method

Yunfei Liu, Jun Lv, Xiaowei Gao

The purpose of this paper is to introduce a new method called simultaneous elimination and back-substitution method (SEBSM) to solve a system of linear equations as a new finite…

An approach for the numerical prediction of the compressible supercavitating flows over ultrahigh-speed underwater object

Ying Chen, Chuanjing Lu, Xin Chen, Jie Li, Zhaoxin Gong

Ultrahigh-speed projectile running in water with the velocity close to the speed of sound usually causes large supercavity. The computation of such transonic cavitating flows is…

Predictive modeling of surface roughness in ultrasonic machining of cryogenic treated Ti-6Al-4V

Gaurav Dhuria, Rupinder Singh, Ajay Batish

The purpose of this paper is to study the effect of ultrasonic machining process parameters on surface quality while machining titanium alloy Ti-6Al-4V.

Constrained design optimization of active magnetic bearings through an artificial immune system

Yu-Cheng Chou, Yi-Hua Fan, Madoka Nakajima, Yi-Lin Liao

The purpose of this paper is to present the use of artificial immune systems (AISs) to solve constrained design optimization problems for active magnetic bearings (AMBs).

Finite element analysis of flexible functionally graded beams with variable Poisson’s ratio

João Paulo Pascon

The purpose of this paper is to deal with large deformation analysis of plane beams composed of functionally graded (FG) elastic material with a variable Poisson’s ratio.

A novel compressive sensing method based on SVD sparse random measurement matrix in wireless sensor network

Zhen Ma, Degan Zhang, Si Liu, Jinjie Song, Yuexian Hou

The performance of the measurement matrix directly affects the quality of reconstruction of compressive sensing signal, and it is also the key to solve practical problems. In…

A parallel DEM approach with memory access optimization using HSFC

Diogo Tenório Cintra, Ramiro Brito Willmersdorf, Paulo Roberto Maciel Lyra, William Wagner Matos Lira

The purpose of this paper is to present a methodology for parallel simulation that employs the discrete element method (DEM) and improves the cache performance using Hilbert space…

Combinations of eigenspace and GMM with Kinect sensor-extracted action gesture features for person identity recognition

Ing-Jr Ding, Zong-Gui Wu

The Kinect sensor released by Microsoft is well-known for its effectiveness on human gesture recognition. Gesture recognition by Kinect has been proved to be an efficient command…

3D fluid-structure interaction (FSI) simulation of new type vortex generators in smooth wavy fin-and-elliptical tube heat exchanger

Babak Lotfi, Bengt Sunden, Qiu-Wang Wang

The purpose of this paper is to investigate the numerical fluid-structure interaction (FSI) framework for the simulations of mechanical behavior of new vortex generators (VGs) in…

Detached eddy simulations for high speed axial flow fuel pumps with swept and straight blade impellers

Ran Tao, Ruofu Xiao, Fujun Wang

High speed axial flow pumps are widely used in aircraft fuel systems. Conventional axial flow pumps often generate radial secondary flows at partial-load conditions which…

Numerical analysis of the effects of changing hydraulic parameters on saltwater intrusion in coastal aquifers

Ismail Abd-Elaty, Hany Farhat Abd Elhamid, Akbar Javadi

The purpose of this paper is to develop and validate a numerical model to study the effect of changing hydraulic parameters on saltwater intrusion in coastal aquifers.