Engineering Computations: Volume 30 Issue 5

Micropolar fluid to improve dynamic response of gear pair system supported by journal bearings

Cai‐Wan Chang‐Jian

The purpose of this paper is to present a numerical analysis of the nonlinear dynamic response of a gear‐bearing system subject to nonlinear suspension effects, micropolar fluid…

Fracture simulation for zirconia toughened alumina microstructure

Kyungmok Kim, Jean Geringer, Bernard Forest

The purpose of this paper is to describe finite element modelling for fracture and fatigue behaviour of zirconia toughened alumina microstructures.

Vague reliability assessment of combustion system using Petri nets and vague lambda‐tau methodology

Manjit Verma, Amit Kumar, Yaduvir Singh

The purpose of this paper is to present a new methodology, named vague lambda‐tau, used for reliability analysis of a combustion system, which could be used for managerial…

Anisotropic hierarchic finite elements for the simulation of piezoelectric smart structures

Sascha Duczek, Ulrich Gabbert

Piezoelectric actuators and sensors are an invaluable part of lightweight designs for several reasons. They can either be used in noise cancellation devices as thin‐walled…

Mathematical model for dispersion and diffusion of chemically reactive pollutants from various sources into a boundary layer with dry deposition

Yasir Khan, Moka Shekhu, C. Sulochana

The purpose of this paper is to propose a mathematical model for dispersion and diffusion of chemically reactive primary pollutants emitted from an elevated line sources into a…

Thermo‐hygro‐mechanical meso‐scale analysis of concrete as a viscoelastic‐damaged material

Giovanna Xotta, Valentina A. Salomoni, Carmelo E. Majorana

Knowledge of the behavior of concrete at mesoscale level requires, as a fundamental aspect, to characterize aggregates and specifically, their thermal properties if fire hazards…

Exciting electrode optimization of a piezoceramic plate type ultrasonic motor by combining artificial immune algorithm and finite element analysis

Cun‐Cen Li, Ming Yang, Ya‐Fei Pang, Shi‐Yang Li

The purpose of this paper is to propose an optimization method by combining artificial immune algorithm and finite element analysis to find the optimal exciting electrode of a…