Engineering Computations: Volume 32 Issue 3

Numerical simulation of thermal properties at Cu/Al interfaces based on hybrid model

Yunqing Tang, Liqiang Zhang, Haiying Yang, Juan Guo, Ningbo Liao, Ping Yang

– The purpose of this paper is to investigate thermal properties at Cu/Al interfaces.

Finite element analysis of frictionless contact problems using fuzzy control approach

F Massa, H Do, O Cazier, T Tison, B Lallemand

The purpose of this paper is to present a new way to solve numerically a mechanical frictionless contact problem within a context of multiple sampling, frequently used to design…

A four-node membrane element model with bending modification for one-step algorithm for bus rollover impact

Jingxin Na, Tong Wang, Changfeng Wu, Yakun Yan

The purpose of this paper is to propose a new four-node membrane element model with bending modification based on the equilibrium principle of element nodal internal forces and…

Evaluating the fidelity and robustness of calibrated numerical model predictions: An application on a wind turbine blade

Garrison Stevens, Kendra Van Buren, Elizabeth Wheeler, Sez Atamturktur

Numerical models are being increasingly relied upon to evaluate wind turbine performance by simulating phenomena that are infeasible to measure experimentally. These numerical…

An adaptive SVR-HDMR model for approximating high dimensional problems

Zhiyuan Huang, Haobo Qiu, Ming Zhao, Xiwen Cai, Liang Gao

Popular regression methodologies are inapplicable to obtain accurate metamodels for high dimensional practical problems since the computational time increases exponentially as the…

An isothermal analysis of curved-vane and flat-vane swirlers for burners

Teresa Parra-Santos, J.R. Pérez-Domínguez, R.Z. Szasz, F. Castro-Ruiz

One current trend in burner technology is to obtain high efficiency while keeping low levels of NOx emissions. A swirling flow in combustion ensures a fixed position of a compact…

Solution of problems in dynamic elasticity via a mixed least squares method

Maria Tchonkova

– The purpose of this paper is to present an original mixed least squares method for solving problems in dynamic elasticity.

Modeling of ballistic-failure mechanisms in gas metal arc welds of mil a46100 armor-grade steel

Mica Grujicic, Subrahmanian Ramaswami, Jennifer Snipes, Rohan Galgalikar, Ramin Yavari, Chian-Fong Yen, Bryan Cheeseman, Jonathan Montgomery

The purpose of this paper is to discuss the recently developed multi-physics computational model for the conventional Gas Metal Arc Welding (GMAW) joining process that has been…

Flow characteristics of dusts dispersed by high-pressure air blast in 20 L chamber

Jiachen Chen, Qi Zhang

A dust cloud is formed by a high-pressure air blast in dust explosion experiments in the spherical 20 L chamber. The state of the dust cloud has a significant impact on the dust…

Reliable simulation of timber structures by combined load and displacement control

Clemens Gebhardt, Michael Kaliske

The purpose of this paper is to propose a path-finding algorithm to solve problems with an arbitrary load-displacement relationship which results from geometrical and material…

Geometrically nonlinear analysis of two-dimensional structures using an improved smoothed particle hydrodynamics method

Jun Lin, Hakim Naceur, Daniel Coutellier, Abdel Laksimi

– The purpose of this paper is to present an efficient smoothed particle hydrodynamics (SPH) method particularly adapted for the geometrically nonlinear analysis of structures.

A generalized XFEM procedure for analyzing intersecting joints in rock masses with excavation

Debasis Deb, Ranjan Pramanik, Kamal Ch Das

– The purpose of this paper is to analyse of structures made in rock mass with multiple intersecting discrete discontinuities such as joint, fault, shear plane.

Comparison of parallel solvers for Moving Particle Semi-Implicit method

Guangtao Duan, Bin Chen

The purpose of this paper is to find the best solver for parallelizing particle methods based on solving Pressure Poisson Equation (PPE) by taking Moving Particle Semi-Implicit…

Subsidence above depleted gas fields

Raffaella Santagiuliana, Massimo Fabris, Bernhard Aribo Schrefler

The purpose of this paper is to give an explanation of the new data available about surface subsidence above the depleted gas reservoir Ravenna Terra. These data confirm the…

Dynamics and noise radiation of multiple bubbles in compressible fluid using boundary integral equation

Xi Ye, Longquan Sun, Fuzhen Pang

The purpose of this paper is to research the interaction between multiple bubbles and their noise radiation considering the influence of compressibility. The influences of bubble…

A new simulation approach of genetic programming in modelling of soil water retention property of unsaturated soil

Ankit Garg, Akhil Garg, Wan-Huan Zhou, Kang Tai, M C Deo

For measuring the effect of crop root content on soil water retention curves (SWRC), a simulation approach (multi-gene genetic programming (MGGP)), which develops the model…