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  • Lambert Theisen's avatar
    Add div(u) term to energy equation (heat) · 6e7c0ebd
    Lambert Theisen authored
    - density formulation has no prob
    - but pressure formulation is then non (anti-)symmetric
    - therefore use mass balance to eliminate div(u)=f_mass from LHS of energy equation to remain (a-)sym
    - This needs the removal of unneeded mass source from heat testcases
    - Also needs adapting R13 cases such that for mass source, the same energy source is applied s.t. energy equation remains equal
      - The latter is actually only needed to compare with WK19 where div(u) was inconsistently neglected
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