期刊
APPLIED MATHEMATICAL MODELLING
卷 26, 期 2, 页码 311-322出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0307-904X(01)00063-4
关键词
welding phenomena; fluid dynamics; solid mechanics; finite volume methods
This paper presents the computational modelling of welding phenomena within a versatile numerical framework. The framework embraces models from both the fields of computational fluid dynamics (CFD) and computational solid mechanics (CSM). With regard to the CFD modelling of the weld pool fluid dynamics, heat transfer and phase change, cell-centred finite volume (FV) methods are employed. Additionally, novel vertex-based FV methods are employed with regard to the elasto-plastic deformation associated with the CSM. The FV methods are included within an integrated modelling framework, PHYSICA, which can be readily applied to unstructured meshes. The modelling techniques are validated against a variety of reference solutions. (C) 2002 Elsevier Science Inc. All rights reserved.
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