Conservative interpolation between volume meshes by local Galerkin projection

@inproceedings{Farrell2010ConservativeIB,
  title={Conservative interpolation between volume meshes by local Galerkin projection},
  author={Patrick E. Farrell and J. R. Maddison},
  year={2010}
}
The problem of interpolating between discrete fields arises frequently in computational physics. The obvious approach, consistent interpolation, has several drawbacks such as suboptimality, non-conservation, and unsuitability for use with discontinuous discretisations. An alternative, Galerkin projection, remedies these deficiencies; however, its implementation has proven very challenging. This paper presents an algorithm for the local implementation of Galerkin projection of discrete fields… CONTINUE READING