field versus equation under relaxation factors
what do the equation relaxation factors do. I noticed if I set any equation under relaxation factor to under 0.9 in rhoSimplecFoam I get a floating point error during the first time step.
For instance, the values below do work but anything lower in equation underrelaxation factors will cause a crash when calculating h. relaxationFactors { fields { p 0.30000; rho 0.3000; U 0.3; } equations { U 0.90000; h 0.90000; k 0.90000; omega 0.90000; } } 
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