A 3D implicit unstructured-grid finite volume method for structural dynamics

G. H. Xia, Y. Zhao, J. H. Yeo, X. Lv

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this work, a new vertex-based finite volume method (FVM) using unstructured grids and cell-based data structure is proposed for computational analysis of two-and three-dimensional (2D/3D) general structural dynamic problems. The governing equations are spatially discretized by the FVM and an implicit dual time stepping scheme is employed to integrate the equations in time. The proposed method is applied to calculate deformations and dynamics of 2D and 3D cantilevers, as well as simply supported and clamped square plates. Computational results obtained are found to agree well with analytical solutions. It can be a viable alternative to the traditional finite element method (FEM) for structural dynamic calculations. And it can be seamlessly integrated into FVM-based Computational Fluid Dynamics (CFD) solver for simulating fluid-structure interaction (FSI).

Original languageEnglish
Pages (from-to)299-312
Number of pages14
JournalComputational Mechanics
Volume40
Issue number2
DOIs
Publication statusPublished - Jul 2007
Externally publishedYes

Fingerprint

Structural Dynamics
Unstructured Grid
Structural dynamics
Finite volume method
Finite Volume Method
Fluid structure interaction
Computational Analysis
Cantilever
Time Stepping
Dynamic Problem
Computational Fluid Dynamics
Data structures
Computational Results
Governing equation
Data Structures
Analytical Solution
Computational fluid dynamics
Finite Element Method
Integrate
Finite element method

Keywords

  • Dual time stepping
  • Finite volume method
  • Structural dynamics
  • Unstructured grid

ASJC Scopus subject areas

  • Mechanics of Materials
  • Computational Mechanics
  • Applied Mathematics
  • Safety, Risk, Reliability and Quality

Cite this

A 3D implicit unstructured-grid finite volume method for structural dynamics. / Xia, G. H.; Zhao, Y.; Yeo, J. H.; Lv, X.

In: Computational Mechanics, Vol. 40, No. 2, 07.2007, p. 299-312.

Research output: Contribution to journalArticle

Xia, G. H. ; Zhao, Y. ; Yeo, J. H. ; Lv, X. / A 3D implicit unstructured-grid finite volume method for structural dynamics. In: Computational Mechanics. 2007 ; Vol. 40, No. 2. pp. 299-312.
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