Engineering Computations: Volume 37 Issue 7

Simulation on heat transfer performances of hollow tube electric heaters with dual-side longitudinal flow

Xianzhi Mei, Yaping Chen, Jiafeng Wu, Xiaoyu Zhou

Conventional electric heaters mostly use U-shaped electric heating tubes and the hollow tube electric heaters are new type ones that rely on the heat transfer tubes as heating…

Adaptive parameter inversion analysis method of rockfill dam based on harmony search algorithm and mixed multi-output relevance vector machine

Chunhui Ma, Jie Yang, Lin Cheng, Li Ran

To improve the efficiency, accuracy and adaptivity of the parameter inversion analysis method of a rockfill dam, this study aims to establish an adaptive model based on a harmony…

Impact of instantaneous curvature on force and heat generation in manufacturing processes – a mathematical modelling

Sreerag C., Gokul R., Vinaykumar J., Rajyalakshmi G.

In any machining process, the surface profile of the workpiece is continuously changing with respect to time and input parameters. In a conventional machining process, input…

Tomography reconstruction of concrete materials for mesoscale modelling

Gianluca Mazzucco, Beatrice Pomaro, Giovanna Xotta, Carmelo E. Maiorana, Valentina A. Salomoni

The purpose of this paper is the numerical assessment of concrete behaviour close to failure, via the development of robust elastoplastic models inclusive of damage effects. If…

Time-dependent reliability analysis of harmonic drive based on transient FEA and accelerated life test

Xian Zhang, Gedong Jiang, Hao Zhang, Xialun Yun, Xuesong Mei

The purpose of this paper is to analyze the time-dependent reliability of harmonic drive.

Exterior RC joints subjected to monotonic and cyclic loading

Yasmin Murad, Haneen Abdel-Jabar, Amjad Diab, Husam Abu Hajar

The purpose of this study is to develop two empirical models that predict the shear strength of exterior beam-column joints exposed to monotonic and cyclic loading using Gene…

The synergistic combination of fuzzy C-means and ensemble filtering for class noise detection

Zahra Nematzadeh, Roliana Ibrahim, Ali Selamat, Vahdat Nazerian

The purpose of this study is to enhance data quality and overall accuracy and improve certainty by reducing the negative impacts of the FCM algorithm while clustering real-world…

Shuffled shepherd optimization method: a new Meta-heuristic algorithm

Ali Kaveh, Ataollah Zaerreza

This paper aims to present a new multi-community meta-heuristic optimization algorithm, which is called shuffled shepherd optimization algorithm (SSOA). In this algorithm.

Optimizing the design of straight bevel gear with reduced scoring effect

Paridhi Rai, Asim Gopal Barman

The purpose of this paper is to minimize the volume of straight bevel gear and to develop resistance towards scoring failure in the straight bevel gear. Two evolutionary and more…

A multi-fiber approach with directional stiffness matrix in reinforced concrete structures

Behrooz Yousefi, Mohammad Reza Esfahani, Mohammadreza Tavakkolizadeh

This paper aims to develop a new multi-fiber element for predicting the structural behavior of planar-reinforced concrete (RC) members.

An enriched formulation of isogeometric analysis applied to the dynamical response of bars and trusses

Mateus Rauen, Roberto Dalledone Machado, Marcos Arndt

This study aims to present a new hybrid formulation based on non-uniform rational b-splines functions and enrichment strategies applied to free and forced vibration of straight…

Simulation of the temperature field for massive concrete structures using an interval finite element method

Zhiqiang Xie, Lei Wang, Zhengyang Zhu, Zhi Fu, Xingdong Lv

The purpose of this paper is to introduce an interval finite element method (IFEM) to simulate the temperature field of mass concrete under multiple influence uncertainties e.g…

A framework for accelerated optimization of antennas using design database and initial parameter set estimation

Slawomir Koziel, Adrian Bekasiewicz

The purpose of this paper is to exploit a database of pre-existing designs to accelerate parametric optimization of antenna structures is investigated.

Simplified method for calculating ground lateral displacement induced by foundation pit excavation

Kang Cheng, Xu Riqing, Hong-wei Ying, Lin Cungang, Xiaolu Gan

The purpose of this study is to present a simplified analytical method to estimate ground lateral displacement due to excavation. Excavations of foundation pit will inevitably…

Numerical analysis of the shear strength of circular reinforced concrete columns subjected to cyclic lateral loads using linear genetic programming

Mostafa Rezvani Sharif, Seyed Mohammad Reza Sadri Tabaei Zavareh

The shear strength of reinforced concrete (RC) columns under cyclic lateral loading is a crucial concern, particularly, in the seismic design of RC structures. Considering the…

Numerical solutions for a class of singular boundary value problems arising in the theory of epitaxial growth

Amit K. Verma, Biswajit Pandit, Carlos Escudero

This paper aims to apply an iterative numerical method to find the numerical solution of the nonlinear non-self-adjoint singular boundary value problems that arises in the theory…