# temperature at time t=0: T=0K

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 April 19, 2011, 10:02 problem with start temperature at time t=0: T=0K #1 Senior Member   Join Date: Mar 2011 Posts: 155 Rep Power: 6 Time = 0 Solving for fluid region air DILUPBiCG: Solving for Ux, Initial residual = 1, Final residual = 0.081617595, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 1, Final residual = 0.079375952, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 1, Final residual = 0.024770842, No Iterations 2 DILUPBiCG: Solving for h, Initial residual = 0.99999958, Final residual = 0.015671234, No Iterations 2 Min/max T:0.28089014 1073.15 GAMG: Solving for p_rgh, Initial residual = 1, Final residual = 0.0090209083, No Iterations 13 time step continuity errors : sum local = 0.0061858492, global = -0.00025520461, cumulative = -0.00025520461 Min/max rho:0.38292586 1602.3886 DILUPBiCG: Solving for epsilon, Initial residual = 0.17574746, Final residual = 0.016515494, No Iterations 1 DILUPBiCG: Solving for k, Initial residual = 1, Final residual = 0.02045702, No Iterations 2 maxResidual: 1 convergence criterion: 1e-05 Solving for solid region stahl DICPCG: Solving for T, Initial residual = 1, Final residual = 0.064339172, No Iterations 3 Min/max T:0.086167946 23.333917 maxResidual: 1 convergence criterion: 0 Solving for solid region nickel DICPCG: Solving for T, Initial residual = 0.99999928, Final residual = 0.095158884, No Iterations 3 Min/max T:572.99961 573 maxResidual: 0.99999928 convergence criterion: 0 ExecutionTime = 33.5 s ClockTime = 35 s It is very strange, that the solver starts to solve the region stahl (solid1) and the region air at 0 Kelvin. I have given the same boundary conditions as in the region nickel (solid2). In every boundaryfield is written value uniform 573.150024 (or a higher temperature9 and initialField is also set to 573.150024. Does someone know the mistake? Best regards, tH3f0rC3 Last edited by tH3f0rC3; April 19, 2011 at 15:16.

 April 21, 2011, 03:04 #2 Senior Member   Join Date: Mar 2011 Posts: 155 Rep Power: 6 Solved :-) For everyone: If you get an errormessage like the one above do the following: Check the Setup of the fluid-solid interface. There was one point missing in my source-code -> hard to find... Now it works

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