Engineering Computations: Volume 40 Issue 7/8

A robust study on fractional order HIV/AIDS model by using numerical methods

Tasmia Roshan, Surath Ghosh, Ram P. Chauhan, Sunil Kumar

The fractional order HIV model has an important role in biological science. To study the HIV model in a better way, the model is presented with the help of Atangana- Baleanu…

Improved gray correlation analysis and combined prediction model for aviation accidents

Siyu Su, Youchao Sun, Chong Peng, Yuanyuan Guo

The purpose of this paper is to identify the key influencing factors of aviation accidents and to predict the aviation accidents caused by the factors.

A weakly supervised pairwise comparison learning approach for bearing health quantitative evaluation and remaining useful life prediction

Fanshu Zhao, Jin Cui, Mei Yuan, Juanru Zhao

The purpose of this paper is to present a weakly supervised learning method to perform health evaluation and predict the remaining useful life (RUL) of rolling bearings.

Data augmentation and data mining towards microstructure and property relationship for composites

Ziyan Guo, Xuhao Liu, Zehua Pan, Yexin Zhou, Zheng Zhong, Zilin Yan

In recent years, the convolutional neural network (CNN) based deep learning approach has succeeded in data-mining the relationship between microstructures and macroscopic…

Theoretical analysis and numerical simulation of axial tensile behavior of pipe joints based on bi-linear cohesive bond-slip model

Hong Yuan, Jun Han, Huaqiang Lu, Junhui Li, Lan Zeng

Due to its inexpensive production costs, low stress concentration and maintenance-friendliness, the adhesive bonded pipe joint is frequently utilized for pipe connection. However…

In pursuit of a suitable machine learning algorithm for hardness prediction of aluminium alloy

Suman Chhabri, Krishnendu Hazra, Amitava Choudhury, Arijit Sinha, Manojit Ghosh

Because of the mechanical properties of aluminium (Al), an accurate prediction of its properties has been challenging. Researchers are seeking reliable models for predicting the…

The fast multipole method–accelerated line integration boundary element method for 3D heat conduction analysis with heat source

Biao Liu, Qiao Wang, Y.T. Feng, Zongliang Zhang, Quanshui Huang, Wenxiang Tian, Wei Zhou

3D steady heat conduction analysis considering heat source is conducted on the fundamental of the fast multipole method (FMM)-accelerated line integration boundary element method…

The quasi-frame of the rational and polynomial Bezier curve by algorithm method in Euclidean space

Hatice Kuşak Samancı

Frames play an important role in determining the geometric properties of the curves such as curvature and torsion. In particular, the determination of the point types of the…

Optimization of V-shaped regulating ball valve profile based on proxy optimization algorithm

Shuxun Li, Mengyao Yu, Hanlin Wu, Yinggang Hu, Tingqian Ma, Bincai Liu

The purpose of this study is to address the issue that the traditional V-shaped ball valve profile shape is limiting the flow control characteristics in a series structure and to…

Numerical analysis for tunnelling-induced stress and plastic evolution causing instability of multilayered surrounding rock by varying three-dimensional in situ stresses

Yongliang Wang, Ruiguang Feng, Dongping Li, Ruidong Peng

The induction of geological disasters is predominantly influenced by the dynamic evolution of the stress and plastic zones of the multilayer rock formations surrounding deep-rock…

Computations and measurements of the magnetic polarizability tensor characterisation of highly conducting and magnetic objects

James Elgy, Paul D. Ledger, John L. Davidson, Toykan Özdeğer, Anthony J. Peyton

The ability to characterise highly conducting objects, that may also be highly magnetic, by the complex symmetric rank–2 magnetic polarizability tensor (MPT) is important for…

ISOMORPH: an efficient application on GPU for detecting graph isomorphism

Antonio Llanes, Baldomero Imbernón Tudela, Manuel Curado, Jesús Soto

The authors will review the main concepts of graphs, present the implemented algorithm, as well as explain the different techniques applied to the graph, to achieve an efficient…

A Gaussian multi-scale space difference method to multiple slight damage localization based on strain modes

Xueli Song, Fengdan Wang, Rongpeng Li, Yuzhu Xiao, Xinbo Li, Qingtian Deng

In structural health monitoring, localization of multiple slight damage without baseline data is significant and difficult. The purpose of this paper is to discuss these issues.

An approach for computational blood flow under the joint effects of the electro-osmotic, magnetic field, chemical reaction and porosity

Takia Ahmed J. Al-Griffi, Abdul-Sattar J. Ali Al-Saif

The purpose of this study is to analyze the two-dimensional blood flow in the artery slant from the axis at an angle with mild stenosis under the joint effects of the…

Geometry reconstruction based on arc splines with application to wheel-rail contact simulation

Lucas Silva, Alfredo Gay Neto

When establishing a mathematical model to simulate solid mechanics, considering realistic geometries, special tools are needed to translate measured data, possibly with noise…

Stratal movement and microseismic events induced by multi-well hydrofracturing under varying well spacings and initiation sequences

Yongliang Wang, Liangchun Li, Yang Ju

Multi-well hydrofracturing is a key technology in engineering, and the evaluation, control and optimization of the fracturing network determine the recovery rate of unconventional…

A case-oriented computational study for sustainable fleet planning in a battery closed-loop supply chain network under uncertainty

Kemal Subulan, Adil Baykasoğlu

The purpose of this study is to develop a holistic optimization model for an integrated sustainable fleet planning and closed-loop supply chain (CLSC) network design problem under…

Quantitative calculation of electromagnetic scattering characteristics from drag plate of aircraft afterbody

Zeyang Zhou, Jun Huang

This paper aims to discuss the electromagnetic scattering characteristics of the afterbody model with two drag plates.