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fix "size" drag force #353

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Merged
glesur merged 1 commit into from
Oct 18, 2025
Merged

fix "size" drag force #353

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4 changes: 2 additions & 2 deletions src/fluid/drag.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,8 @@ class GammaDrag {
// Assume a fixed size, hence for both Epstein or Stokes, gamma~1/rho_g/cs
// Get the sound speed
#if HAVE_ENERGY == 1
cs = std::sqrt(eos.GetGamma(VcGas(PRS,k,j,i),VcGas(RHO,k,j,i)
*VcGas(PRS,k,j,i)/VcGas(RHO,k,j,i)));
cs = std::sqrt( eos.GetGamma(VcGas(PRS,k,j,i),VcGas(RHO,k,j,i))
*VcGas(PRS,k,j,i)/VcGas(RHO,k,j,i));
#else
cs = eos.GetWaveSpeed(k,j,i);
#endif
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