Engineering Computations: Volume 31 Issue 4

Approximate periodic solution for nonlinear jerk equation as a third-order nonlinear equation via modified differential transform method

Alborz Mirzabeigy, Ahmet Yildirim

The nonlinear jerk equation is a third-order nonlinear equation that describes some physical phenomena and in general form is given by: x = J (x, x, x). The purpose of this paper…

Deck-stay interaction with appropriate initial shapes of cable-stayed bridges : Numerical simulation and validation of a symmetrical structure

Ming-Yi Liu, Li-Chin Lin, Pao-Hsii Wang

The purpose of this paper is to provide a variety of viewpoints to illustrate the mechanism of the deck-stay interaction with the appropriate initial shapes of cable-stayed…

An embedding finite element method for viscous incompressible flows with complex immersed boundaries on Cartesian grids

D.C. Lo, Chih-Min Hsieh, D.L. Young

The main advantage of the proposed method is that the computations can be performed on a Cartesian grid with complex immersed boundaries (IBs). The purpose of this paper is to…

Convergence of ADGI methods for solving systems of linear matrix equations

Masoud Hajarian

The linear matrix equations have wide applications in engineering, physics, economics and statistics. The purpose of this paper is to introduce iterative methods for solving the…

Application of 2D base force element method with complementary energy principle for arbitrary meshes

Yijiang Peng, Nana Zong, Lijuan Zhang, Jiwei Pu

The purpose of this paper is to present a two-dimensional (2D) model of the base force element method (BFEM) based on the complementary energy principle. The study proposes a…

Decomposition based least squares iterative estimation algorithm for output error moving average systems

Wenge Zhang

– The purpose of this paper is to solve the heavy computational problem of parameter estimation algorithm.

A novel particle swarm optimization based robust H-infinity control for rotorcrafts

Jiyang Dai, Jin Ying, Chang Tan

– The purpose of this paper is to present a novel optimization approach to design a robust H-infinity controller.

Butterfly-effect for massively separated flows

Rainald Lohner, Dominic Britto, Alexander Michailski, Eberhard Haug

During a routine benchmarking and scalability study of CFD codes for typical large-scale wind engineering runs, it was observed that the resulting loads for buildings varied…

Analysis of explosion in concrete by axisymmetric FE-SPH adaptive coupling method

Hu De’an, Liu Chunhan, Xiao YiHua, Han Xu

The purpose of this paper is to confirm that the axisymmetric finite element and smoothed particle hydrodynamics (FE-SPH) adaptive coupling method is effective to solve explosion…

Introducing conjugate gradient optimization for modified HL-RF method

Behrooz Keshtegar, Mahmoud Miri

Generally, iterative methods which have some instability solutions in complex structural and non-linear mechanical problems are used to compute reliability index. The purpose of…

The PIES for solving 3D potential problems with domains bounded by rectangular Bézier patches

Eugeniusz Zieniuk, Krzysztof Szerszen

The purpose of this paper is to apply rectangular Bézier surface patches directly into the mathematical formula used to solve boundary value problems modeled by Laplace's…

Discrete element method simulation and experimental validation of particle damper system

Zheng Lu, Xilin Lu, Huanjun Jiang, Sami F. Masri

The particle damper is an efficient vibration control device and is widely used in engineering projects; however, the performance of such a system is very complicated and highly…