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Hi Adam,
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The simulation is continuing on with the "error". I wrote 'call Grid_getBlkPtr(blockId,solnData)', 'call RadTrans_mgdEFromT(blockId, axis, trad, tradActual)' and 'solnData(TRAD_VAR,i,j,k)=tradActual' in Simulation_initBlock.F90. And I set the value of trad in the flash.par. It's strange that the hypre solver takes no iteration.
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Best wishes,
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Yunan Chen
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<span style="font-weight:bold;">发件人</span>："Reyes, Adam" <adam.reyes@rochester.edu><br>
<span style="font-weight:bold;">发送日期</span>：2024-05-10 15:00:13<br>
<span style="font-weight:bold;">收件人</span>："cya_@nudt.edu.cn" <cya_@nudt.edu.cn><br>
<span style="font-weight:bold;">抄送人</span>：<br>
<span style="font-weight:bold;">主 题</span>：Re: [FLASH-USERS] [gr_hypreSolve]: Nonconv./failure ierr=1, descr=[Generic error]&[RadTrans] ***** ERROR DETECTED IN Diffuse_solveScalar !!! ****
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Hi Yunan,
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Is the simulation aborting or continuing on?
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This “error” is coming from the MGD solver and I see that the hypre solver is not taking any iterations and that it is happening for every energy group. Are you initializing the radiation temperature? Sometimes this can happen when there is little to nothing to happen during the mgd solve and the solution carries on normally.<br id="lineBreakAtBeginningOfMessage">
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*********************************************<br>
Adam Reyes
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On May 8, 2024, at 5:12 PM, cya_@nudt.edu.cn wrote:
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<span style="font-family:Arial;">Dear FLASH Users,</span>
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<span style="font-family:Arial;">I encountered some problems in the simulation of direct-drive ICF. After running the code, I saw the follows</span><span style="font-family:Arial;"> in the output file</span><span style="font-family:Arial;">. </span>
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<span style="font-family:Arial;">[gr_hypreSolve]: Nonconv./failure ierr=1, descr=[Generic error], group no=1, converged=F, |initial RHS|^2=NaN, num_iterations=0, final_res_norm=0.0000000000000000<br>
[RadTrans] ***** ERROR DETECTED IN Diffuse_solveScalar !!! **** -1 1 3 1 1 0 F 0<br>
[gr_hypreSolve]: Nonconv./failure ierr=1, descr=[Generic error], group no=2, converged=F, |initial RHS|^2=NaN, num_iterations=0, final_res_norm=0.0000000000000000<br>
[RadTrans] ***** ERROR DETECTED IN Diffuse_solveScalar !!! **** -1 2 3 1 1 0 F 0<br>
[gr_hypreSolve]: Nonconv./failure ierr=1, descr=[Generic error], group no=3, converged=F, |initial RHS|^2=NaN, num_iterations=0, final_res_norm=0.0000000000000000<br>
[RadTrans] ***** ERROR DETECTED IN Diffuse_solveScalar !!! **** -1 3 3 1 1 0 F 0<br>
[gr_hypreSolve]: Nonconv./failure ierr=1, descr=[Generic error], group no=4, converged=F, |initial RHS|^2=NaN, num_iterations=0, final_res_norm=0.0000000000000000<br>
[RadTrans] ***** ERROR DETECTED IN Diffuse_solveScalar !!! **** -1 4 3 1 1 0 F 0<br>
[gr_hypreSolve]: Nonconv./failure ierr=1, descr=[Generic error], group no=5, converged=F, |initial RHS|^2=NaN, num_iterations=0, final_res_norm=0.0000000000000000<br>
[RadTrans] ***** ERROR DETECTED IN Diffuse_solveScalar !!! **** -1 5 3 1 1 0 F 0<br>
[gr_hypreSolve]: Nonconv./failure ierr=1, descr=[Generic error], group no=6, converged=F, |initial RHS|^2=NaN, num_iterations=0, final_res_norm=0.0000000000000000<br>
[RadTrans] ***** ERROR DETECTED IN Diffuse_solveScalar !!! **** -1 6 3 1 1 0 F 0<br>
n t dt ( x, y, z) | dt_hydro dt_Diff dt_HeatXc<br>
1 1.0000E-12 1.1000E-12 ( 0.468 , 0.294 , 0.00 ) | 6.516E-08 1.645E+84 1.567+103</span><span style="font-family:Tahoma;"><br>
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<span style="font-family:Arial;">I want to know why these occur. Any possible suggestions would be great appreciated!</span>
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<span style="font-family:Arial;">Best wishes, <br>
Yunan </span><span style="font-family:Arial;">Chen</span>
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