Engineering Computations: Volume 36 Issue 4

Efficiency evaluation of structural nonlinear analysis method based on the Woodbury formula

Gang Li, Shuo Jia, Hong-Nan Li

The purpose of this paper is to make a theoretical comprehensive efficiency evaluation of a nonlinear analysis method based on the Woodbury formula from the efficiency of the…

An efficient coupled pressure–velocity solver for three-dimensional injection molding simulation using Schur complement preconditioned FGMRES

Xiang Liu, Fei Guo, Yun Zhang, Junjie Liang, Dequn Li, Huamin Zhou

The purpose of this paper is to develop a coupled approach to solve the pressure–velocity-coupled problem efficiently in the three-dimensional injection molding simulation.

Development of an equivalent static method for the approximation of the dynamic response of offshore structures

Apostolos Koukouselis, Konstantinos Chatziioannou, Euripidis Mistakidis, Vanessa Katsardi

The design of compliant towers in deep waters is greatly affected by their dynamic response to wave loads as well as by the geometrical and material nonlinearities that appear. In…

Meshfree algorithms based on radial basis functions for numerical simulation and to capture shocks behavior of Burgers’ type problems

Ram Jiwari, Sanjay Kumar, R.C. Mittal

The purpose of this paper is to develop two meshfree algorithms based on multiquadric radial basis functions (RBFs) and differential quadrature (DQ) technique for numerical…

Investigation of equivalent correlation coefficient based on the Mehler’s formula

Yunfei Zu, Wenliang Fan, Jingyao Zhang, Zhengling Li, Makoto Ohsaki

Conversion of the correlated random variables into independent variables, especially into independent standard normal variables, is the common technology for estimating the…

On the theoretical basis of memory-free approaches for fractional differential equations

Q.X. Liu, J.K. Liu, Y.M. Chen

A nonclassical method, usually called memory-free approach, has shown promising potential to release arithmetic complexity and meets high memory-storage requirements in solving…

Analysis of the field monitoring data on soil movements and adjacent building settlement due to shield tunnelling

Zhi Ding, Xinjiang Wei, Xiao Zhang, Xinsheng Yin

The shield tunnels closely constructed near the foundations have an inevitable influence on the structures, even results in the large settlement or uplift of the structures.

Innovative seismic resistant structure of shield building with base isolation and tuned-mass-damping for AP1000 nuclear power plants

Gangling Hou, Meng Li, Sun Hai, Tianshu Song, Lingshu Wu, Yong Li, Gang Zheng, Feng Shen, Yaodong Chen

Seismic isolation, as an effective risk mitigation strategy of building/bridge structures, is incorporated into AP1000 nuclear power plants (NPPs) to alleviate the seismic damage…

An adaptive wavelet Galerkin scheme for solving contact problems based on elliptic variational inequalities of the first kind

Kumar Kaushik Ranjan, Sandeep Kumar, Amit Tyagi, Ambuj Sharma

The real challenge in the solution of contact problems is the lack of an optimal adaptive scheme. As the contact zone is a priori unknown, successive refinement and iterative…

Global sensitivity analysis approaches applied to parameter selection for numerical model-updating of structures

Marzieh Jafari, Khaled Akbari

This paper aims to measure the sensitivity of the structure’s deformation numerical model (NM) related to the various types of the design parameters, which is a suitable method…

Segmentation mapping and folding method of surfaces of revolution and its applications

Xiao-Shun Zhao, Li Yu, Xue Yang, Si-Yu Zhang

The purpose of this study was to develop a new folding method for modeling complicated folded fabric with surfaces of revolution.

Stabilised MLS in MLPG method for heat conduction problem

Rituraj Singh, Krishna Mohan Singh

The purpose of this paper is to assess the performance of the stabilised moving least squares (MLS) scheme in the meshless local Petrov–Galerkin (MLPG) method for heat conduction…

Static analyses of laminated rhombic conoids

Abhay Kumar Chaubey, Ajay Kumar, Anupam Chakrabarti

This paper aims to present a new mathematical model for laminated rhombic conoids with reasonable thickness and depth. The presented model does not require the shear correction…

A kinematic approach for error modelling in drilling

Wilma Polini, Andrea Corrado

The purpose of this paper is to model how geometric errors of a machined surface (or manufacturing errors) are related to locators’ error, workpiece form error and machine tool…

Highly accurate and numerically stable computations of double-layer coaxial waveguides

Krzysztof Kubiczek, Marian Kampik

The purpose of this study is to develop and investigate a fast and accurate algorithm for the modeling of characteristic impedance of double-layer coaxial waveguides.

Robust stabilization for discrete-time Takagi-Sugeno fuzzy system based on N4SID models

Mohamed Ali Jemmali, Martin J.-D. Otis, Mahmoud Ellouze

Nonlinear systems identification from experimental data without any prior knowledge of the system parameters is a challenge in control and process diagnostic. It determines…