Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Pn scattering order

  1. Sep 13, 2011 #1
    I use some computational codes.I must to enter Pn scattering order for some materials.What means that? For example what is difference betwen P1,P2,P3 order?
  2. jcsd
  3. Sep 13, 2011 #2


    User Avatar
    Staff Emeritus
    Science Advisor

    Assuming one is familiar with discrete ordinates methods and spherical harmonics, the n in Pn refers to the number (n+1) of Legendre polynomials with which one expands the angular flux in transport problems, usually in slab geometry.

    See also -
    Why are the Pn and Sn Methods Equivalent



    P.R.M Storchi, Application of the Pn-method to the calculation of the anaular flux of gamma rays, Journal of Computational Physics, Volume 55, Issue 1, July 1984, Pages 81-97, ISSN 0021-9991, 10.1016/0021-9991(84)90016-0.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook