Torsional springs for two-dimensional dynamic unstructured fluid meshes

@inproceedings{Farhat1998TorsionalSF,
  title={Torsional springs for two-dimensional dynamic unstructured fluid meshes},
  author={Charbel Farhat and C. Degand and Bruno Koobus and Michel Lesoinne},
  year={1998}
}
Abstract Dynamic fluid grids are commonly used for the solution of flow problems with moving boundaries. They are often represented by a network of fictitious lineal springs that can become unreliable when the fluid mesh undergoes large displacements and/or deformations. In this paper, we propose to control the arbitrary motion of two-dimensional dynamic unstructured fluid grids with additional torsional springs. We show that such springs can be designed to prohibit the interpenetration of… CONTINUE READING

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