A Three-Dimensional Time-Dependent Unstructured Tetrahedral-Mesh SPN Method Academic Article uri icon


  • A three-dimensional time-dependent multigroup SPN method for unstructured tetrahedral meshes is developed. The SPN equations are expressed in a canonical form that allows them to be solved using standard diffusion solution techniques in conjunction with source iteration, diffusion-synthetic acceleration, and fission-source acceleration. A computational comparison of this SPN method with an even-parity SN method is given.

author list (cited authors)

  • Morel, J. E., McGhee, J. M., & Larsen, E. W.

citation count

  • 24

publication date

  • July 1996