Changes between Version 3 and Version 4 of u/zchen/Roe


Ignore:
Timestamp:
08/27/13 22:24:04 (11 years ago)
Author:
Zhuo Chen
Comment:

—

Legend:

Unmodified
Added
Removed
Modified

  • u/zchen/Roe

    v3 v4  
     1Shock tube problem with origin sit in rarefaction wave. Roe scheme Riemann solver without entropy fix gives unphysical result.
     2
    13[[Image(roe1rho.png​,40%)]]
    24
     5When entropy fix subroutine is included, the result is OK.
     6
    37[[Image(roe_fixed1rho.png​,40%)]]
     8
     9Roe scheme can not be used to solve Euler equations in low density regime. It may result in negative density.