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Numerical simulations for the predator-prey model on surfaces with lumped mass method

期刊: ENGINEERING WITH COMPUTERS, 2021; 37 (3)

The predator-prey model is powerful mathematical tool to describe the dynamics of biological systems and promote research on biological populations. I......

Predicting the blast-induced vibration velocity using a bagged support vector regression optimized with firefly algorithm

期刊: ENGINEERING WITH COMPUTERS, 2021; 37 (3)

Ground vibration is the most detrimental effect induced by blasting in surface mines. This study presents an improved bagged support vector regression......

An approach for dynamic analysis of planar multibody systems with revolute clearance joints

期刊: ENGINEERING WITH COMPUTERS, 2021; 37 (3)

Clearance is inevitable for manufacture and assembly in the revolute joints of multibody systems. Excessive value of joint clearance will lead to the ......

Shape-free polygonal hybrid displacement-function element method for analyses of Mindlin-Reissner plates

期刊: ENGINEERING WITH COMPUTERS, 2021; 37 (3)

A high-performance shape-free polygonal hybrid displacement-function finite-element method is proposed for analyses of Mindlin-Reissner plates. The an......

On the chaotic behavior of graphene-reinforced annular systems under harmonic excitation

期刊: ENGINEERING WITH COMPUTERS, ; ()

In this study, a mathematical derivation is made to develop a nonlinear dynamic model for the nonlinear frequency and chaotic responses of the graphen......

SGOA: annealing-behaved grasshopper optimizer for global tasks

期刊: ENGINEERING WITH COMPUTERS, ; ()

An improved grasshopper optimization algorithm (GOA) is proposed in this paper, termed as SGOA, which combines simulated annealing (SA) mechanism with......

Impact of in-plane follower force on the frequency response of the hybrid angle-ply laminated system via dynamic simulation and generalized differential quadrature framework

期刊: ENGINEERING WITH COMPUTERS, ; ()

Central concern of this article is presenting the high-exactitude analysis on hygro-thermo-mechanical vibration of three-phase multi-scale hybrid comp......

Novel approach to evaluate rock mass fragmentation in block caving using unascertained measurement model and information entropy with flexible credible identification criterion

期刊: ENGINEERING WITH COMPUTERS, ; ()

In recent years, block caving has drawn the attention of many mine enterprises due to the admired extraction rate and lower cost, which can exploit th......

Proposing several hybrid PSO-extreme learning machine techniques to predict TBM performance

期刊: ENGINEERING WITH COMPUTERS, ; ()

A proper planning schedule for tunnel boring machine (TBM) construction is considered as a necessary and difficult task in tunneling projects. Therefo......

A third order shear deformable model and its applications for nonlinear dynamic response of graphene oxides reinforced curved beams resting on visco-elastic foundation and subjected to moving loads

期刊: ENGINEERING WITH COMPUTERS, ; ()

In present work, a nonlinear functionally graded curved beam model including the von Karman geometric nonlinearity is developed on the basis of the th......

A novel method for accurate simulations of concentrated forces in finite element analysis

期刊: ENGINEERING WITH COMPUTERS, ; ()

In this paper, the analytical displacement solution at the point of the application of a concentrated force is derived using elastic mechanics. Then, ......

Bending and stress responses of the hybrid axisymmetric system via state-space method and 3D-elasticity theory

期刊: ENGINEERING WITH COMPUTERS, ; ()

This research presents bending responses of hybrid laminated nanocomposite reinforced axisymmetric circular/annular plates (HLNRACP/ HLNRAAP) within t......

Automatic Delaunay mesh generation method and physically-based mesh optimization method on two-dimensional regions

期刊: ENGINEERING WITH COMPUTERS, ; ()

Delaunay mesh generation method is a common method for unstructured mesh (or unstructured grid) generation. Delaunay mesh generation method can conven......

Fuzzy Shannon wavelet finite element methodology of coupled heat transfer analysis for clearance leakage flow of single screw compressor

期刊: ENGINEERING WITH COMPUTERS, ; ()

The Shannon wavelet function and its scale function are used as interpolating functions to establish the Shannon wavelet finite element. The temperatu......

Trefftz-unsymmetric finite element for bending analysis of orthotropic plates

期刊: ENGINEERING WITH COMPUTERS, ; ()

This work develops a new four-node quadrilateral displacement-based Trefftz-type plate element for bending analysis of orthotropic plates within the f......

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