energy balance fipost
i have problems in calculating an integral energy balance of a simple 2D problem solved with fidap. simplified description:
---------------------------------------------------- edge1 |||||||||||||||||||||||||||||||||||||||||| solid |||||||||||||||||||||||||||||||||||||||||||||||||| ---------------------------------------------------- edge2 in ~ ~ ~ ~ ~ ~ ~ ~ ~ fluid ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ out ---------------------------------------------------- edge3 |||||||||||||||||||||||||||||||||||||||||| solid |||||||||||||||||||||||||||||||||||||||||||||||||| ---------------------------------------------------- edge4 fluid flows from left to right through plane 2D duct surrounded by solids edge1: BCFLUX (heat,const) edge4: adiabatic turbulent, standard k-eps the solution has converged to velc=1e-4 y+ values at edge2 are between 30 and 100 for momentum and energy problem in fipost: - the summation of the calculated temperature fluxes across "edge1" and "in" and "out" do not sum up to zero ? - the flux(temperature) from edge2 into solid and fluid are not equal ? does anyone know an explanation or did run into similar problems? |
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