Engineering Computations: Volume 34 Issue 7

Guest editorial

Cheng-Chi Wang, Ming-Tsang Lee

Study of a harmonic drive with involute profile flexspline by two-dimensional finite element analysis

Yi-Cheng Chen, Yun-Hao Cheng, Jui-Tang Tseng, Kun-Ju Hsieh

This paper aims to present simulation results of a harmonic drive (HD) with involute flexspline (FS) profiles based on two-dimensional (2-D) finite element analysis (FEA).

An improved artificial bee colony algorithm for robust design of power system stabilizers

Tawfik Guesmi, Badr M. Alshammari

Low-frequency oscillations of 0.1 to 3 Hz are prejudicial to the power system stability. Within this context, this study aims to present an improved artificial bee colony…

Symmetrical valve controlled asymmetrical cylinder based on wavelet neural network

Haitao Qi, Zilong Liu, Yan Lang

The symmetrical valve is usually used in the hydraulic servo control system to control the asymmetrical cylinder, but this system’s structure involves asymmetry, and so its…

Mathematical model of energy conversion mechanism in screw centrifugal pump based on load criteria of blade airfoil

Hui Quan, Baiheng Fu, Rennian Li, Guangxian Li, Zhengjie Zhang, Jin Li

To analyze the work principle and capacity of energy conversion in each segment of profile lines, the energy transfer from impeller to transmission medium is separated into head…

Control circuit design and chaos analysis in an ultrasonic machining system

Chin-Tsung Hsieh, Her-Terng Yau, Cheng-Chi Wang

This study aims to investigate the dynamic motion of an ultrasonic machining system comprising two Duffing oscillators, each with a single degree of freedom. After derivation of…

Modeling and control of an unbalanced magnetic rotor-bearing system as a bearingless motor

Shyh-Leh Chen, Pei-Hua Lee, Chow-Shing Toh

This paper is concerned with the design and analysis of a bearingless motor.

Numerical simulation of the influence of particle shape on the mechanical properties of rockfill materials

Hongxing Han, Wei Chen, Bin Huang, Xudong Fu

This paper aims to propose a shape factor for granular materials based on particle shape. The scientific goal is to investigate the influence of particle shape on the mechanical…

Heat dissipation analysis of continuously-moving plate undergoing thermal processing using Laplace Adomian decomposition method

Cha’o Kuang Chen, Yu-Shen Chang, Chin-Chia Liu, Bang-Shiuh Chen

This paper aims to use the Laplace Adomian decomposition method (LADM) to investigate the effects of thermal convection, thermal conduction, surface emissivity and thermal…

A shortcut algorithm for solving long-term conjugate heat transfer problems based on quasi-steady flow

Sujun Dong, Fanchao Meng, Dechun Guo, Hongling Kang

The time of tightly coupled transient calculation and the accuracy of conventional loosely coupled algorithm make it difficult to meet the engineering design requirements for…

Identification of plastic anisotropy using spherical indentation on different anisotropic yield criterions

Xuepeng Zhan, Jianjun Wu, Mingzhi Wang, Yu Hui, Hongfei Wu, Qi Shang, Ruichao Guo

This paper aims to first apply more advanced anisotropic yield criterions as Yld91 and Yld2004 to spherical indentation simulations, and investigate plastic anisotropy identified…

A partial name prefix merging and shortening for name lookup in named data networking

Jenq-Muh Hsu, Jui-Yang Chang, Chih-Hung Wang

Named Data Networking (NDN) is a content-centric network differing from the traditional IP-based network. It adopts the name prefix to identify, query and route the information…

Simulation of dispersed phase evolution for immiscible polymer blends in injection molding

Dan Chen, Fen Liu, Yi Zhang, Yun Zhang, Huamin Zhou

The numerical simulation of dispersed-phase evolution in injection molding process of polymer blends is of great significance in both adjusting material microstructure and…

Examination of carbon-water nanofluid flow with thermal radiation under the effect of Marangoni convection

Syed Tauseef Mohyud-Din, Muhammad Usman, Kamran Afaq, Muhammad Hamid, Wei Wang

The purpose of this study is to analyze the effects of carbon nanotubes (CNTs) in the Marangoni convection boundary layer viscous fluid flow. The analysis and formulation for both…

On the time-splitting Fourier spectral method for the coupled Klein-Gordon-Schrödinger equations in the quantum field theory

S. Saha Ray

The purpose of this paper is to consider the time-splitting Fourier spectral (TSFS) method to solve the fractional coupled Klein–Gordon–Schrödinger (K-G-S) equations. A…

Parameter identification of concrete dams using swarm intelligence algorithm

Siqi Dou, Junjie Li, Fei Kang

Parameter identification is an important issue in structural health monitoring and damage identification for concrete dams. The purpose of this paper is to introduce a novel…

Effects of some design parameters on bifurcation behavior of a magnetically supported coaxial rotor in auxiliary bearings

Reza Ebrahimi, Mostafa Ghayour, Heshmatallah Mohammad Khanlo

This paper aims to present bifurcation analysis of a magnetically supported coaxial rotor model in auxiliary bearings, which includes gyroscopic moments of disks and geometric…

Prediction of construction projects’ costs based on fusion method

Fang Shutian, Zhao Tianyi, Zhang Ying

This study aims to predict the construction cost in China, the authors purposed a fused method.

Laser-range-finder localization based fuzzy control for mobile robots

Chung-Hsun Sun, Sheng-Kai Huang, Hsuan Chen, Cheng-Wei Ye, Yin-Tien Wang, Wen-June Wang

Based on laser-range-finder (LRF) sensing, the control design of location and orientation stabilization for the mobile robot is investigated. However, the practical limitation of…

Portfolio selection with fuzzy synthetic evaluation and genetic algorithm

Hamid Nayebpur, Mohsen Nazem Bokaei

The purpose of this paper is to present a new technique to portfolio selection using a genetic algorithm (GA) and fuzzy synthetic evaluation (FSE). Portfolio selection is a…

Ontology based Baysian network for clinical specialty supporting in interactive question answering systems

Jui-Feng Yeh, Yu-Jui Huang, Kao-Pin Huang

This study aims to provide an ontology based Baysian network for clinical specialty supporting. As a knowledge base, ontology plays an essential role in domain applications…