Journal
COMPUTERS & STRUCTURES
Volume 175, Issue -, Pages 100-122Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2016.07.004
Keywords
Cell-centred Finite Volume method; Finite Area method; Linear elasticity; Block-coupled; Solid mechanics; OpenFOAM
Funding
- Irish Centre for Composites Research (IComp)
- DJEI/DES/SFI/HEA Irish Centre for High-End Computing (ICHEC)
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The current article presents a fully coupled cell-centred Finite Volume solution methodology for linear elasticity and unstructured meshes. Details are given of the novel implicit discretisation and block coupled solution procedure, including use of a Finite Area method for face tangential gradient calculations and coupled treatment of non-orthogonal corrections. A number of 2-D and 3-D linear-elastic benchmark test cases are examined using hexahedral, tetrahedral and general polyhedral meshes; solution accuracy and efficiency are compared with that of a segregated procedure and a commercial Finite Element software, where the new method is shown to be faster in all cases. (C) 2016 Elsevier Ltd. All rights reserved.
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