Bending analysis of simply supported and clamped thin elastic plates by using a modified version of the LMFS

Wenzhen Qu, Linlin Sun and Po-Wei Li

Mathematics and Computers in Simulation (MATCOM), 2021, vol. 185, issue C, 347-357

Abstract: The localized method of fundamental solutions is a recent domain-type meshless collocation method with the fundamental solutions of governing equations as the radial basis functions. This approach forms a sparse system matrix and has a higher efficiency than the traditional method of fundamental solutions. In this paper, a modified version of the localized method of fundamental solutions is developed for bending analysis of simply supported and clamped thin elastic plates. Some auxiliary nodes on the boundary are firstly introduced to provide additional weight coefficients, which contribute to the construction of the determined system of equations and avoid the over-determined equation system of the localized method of fundamental solutions for bending analysis of thin elastic plates. Several numerical experiments with simply supported or clamped boundary conditions are provided, and numerical results are in good agreement with the analytical or COMSOL Multiphysics solutions.

Keywords: Bending analysis; Thin elastic plate; Localized method of fundamental solutions; Meshless collocation method (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:185:y:2021:i:c:p:347-357

DOI: 10.1016/j.matcom.2020.12.031

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