[American Institute of Aeronautics and Astronautics 8th Computational Fluid Dynamics Conference - Honolulu,HI,U.S.A. (09 June 1987 - 11 June 1987)] 8th Computational Fluid Dynamics Conference - An adaptive finite element scheme for the Euler and Navier-Stokes equations

✍ Scribed by MORGAN, K.; PERAIRE, J.; THAREJA, R.; STEWART, J.

• Book ID: 121032991
• Publisher: American Institute of Aeronautics and Astronautics
• Year: 1987
• Weight: 700 KB
• Category: Article
• DOI: 10.2514/6.1987-1172

✦ Synopsis

The implementation of two explicit finite element schemes for the solution of the compressible EcLer and Navier-Stokes equations is presented. The schemes can be employed with general unstructured triangular meshes in two dimensions.Either scheme can therefore be used as the basic solver in a solution adaptive mesh procedure in a direct manner.The particular adaptive approach which is advocated here is intended for the solution of ittady state problems only and involves an adaptive regenerationof the grid at prescribed stages during the false transient.The grid regeneration is accompiished by a mesh generator which has the capabl'ity of generating triangular grids over com-put~tional domains of arbitrary shape.The proc-ed4te is illustrated by solving transonic f l o w oLer multi-airfoil configurations and high speed ilows, involving shock interactions, pasc r.'~~rular cylinders.