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Comparison of Field Transfer Methods between two meshes

Publication Date
  • Transfer Method
  • Interpolation
  • Weak Form
  • Mortar Elements
  • Engineering
  • Computing & Technology :: Mechanical Engineering [C10]
  • Ingénierie
  • Informatique & Technologie :: Ingénierie Mécanique [C10]


In many cases, the numerical computation of mechanical problem with Finite Element Method has to transfer some information between two different meshes. For example, if a remeshing is needed or if several meshes are used (e.g. one for a thermal problem and another one for a mechanical problem). In spite of the research on the Transfer Methods, none of them has been so far clearly established as the best. Each method has advantages and disadvantages. Many problems can happen during the field transfer, like the minimization of the numerical diffusion, the value of the field on the boundaries, etc. This paper compares on the one hand the performances of the Field Transfer Method by classical interpolation with on the other hand one using Mortar Elements. The comparison of the two methods is based on two indicators: the numerical diffusion and the evaluation of the field on the boundaries. In this paper, only the continuous fields are considered.

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