Multidiscipline Modeling in Materials and Structures: Volume 12 Issue 2

Improved bat algorithm for structural reliability assessment: application and challenges

Asma Chakri, Rabia Khelif, Mohamed Benouaret

The first order reliability method requires optimization algorithms to find the minimum distance from the origin to the limit state surface in the normal space. The purpose of…

Development of a stream function-upper bound analysis applicable to the process of plate rolling

Amir Asgharzadeh, Siamak Serajzadeh

The purpose of this paper is to develop a mathematical solution to estimate the deformation pattern and required power in cold plate rolling using coupled stream function method…

Effects of thermal and diffusion phase-lags in a plate with axisymmetric heat supply

Rajneesh Kumar, Nidhi Sharma, Parveen Lata

The purpose of this paper is to depict the effect of time and thermal and diffusion phase-lags due to axisymmetric heat supply in a ring. The problem is discussed within the…

Thermal radiation effects on creep behavior of the turbine blade

Mohammad yaghoub Abdollahzadeh Jamalabadi

The purpose of this paper is to find the time dependent thermal creep stress relaxation of a turbine blade and to investigate the effect thermal radiation of the adjacent turbine…

Simultaneous geometry and cross-section optimization of aluminum trusses

Moacir Kripka, Zacarias Chamberlain Pravia, Guilherme Fleith Medeiros, Maiga Marques Dias

Trusses constitute a fertile field to demonstrate the application of optimization techniques because of the possibility of several different configurations. Using such techniques…

Propagation of plane waves of magneto-thermoelastic medium with voids influenced by the gravity and laser pulse under G-N theory

Mohamed Ibrahim A Othman, Mohamed I. M. Hilal

The purpose of this paper is to investigate the influence of the gravity and the magnetic fields on the plane waves in a homogenous, linear and isotropic thermoelastic medium…

3D stagnation point flow of Maxwell fluid towards an off-centered rotating disk

Najeeb Alam Khan, Sidra Khan, Fatima Riaz

The purpose of this paper is to study the three dimensional, steady and incompressible flow of non-Newtonian rate type Maxwell fluid, for stagnation point flow toward an…

Two-temperature generalized magneto-thermoelastic medium for dual-phase-lag model under the effect of gravity field and hydrostatic initial stress

Samia M Said

The dual-phase-lag (DPL) model and Lord-Shulman theory with one relaxation time are applied to study the effect of the gravity field, the magnetic field, and the hydrostatic…

Risk assessment method for aeroengine multiple failure risk using Monte Carlo simulation

Longbiao Li, Suyi Bi, Youchao Sun

– The purpose of this paper is to develop a method to predict the multi-failure risk of aero engine in service and to evaluate the effectiveness of different corrective actions.

Lattice of infinite bending-resistant fibers

Vladimir Kobelev

The purpose of this paper is to introduce the double-periodic lattice, composed of bending-resistant fibers. The essence of the model is that the filaments are of infinite length…

A selective genetic algorithm for multiobjective optimization of cross sections in 3D trussed structures based on a spatial sensitivity analysis

Javier Luis Mroginski, Pablo Alejandro Beneyto, Guillermo J Gutierrez, Ariel Di Rado

There are many problems in civil or mechanical engineering related to structural design. In such a case, the solution techniques which lead to deterministic results are no longer…