Hi Peter,
I was more referring to kevinarden about the hostility.
I now installed the VirtualBox version. I seem to be one step further (viewfactors are calculated) but still don't get results (see below).
The project files are in this thread.
Do you know of a simple example file with grey radiation? Maybe I can start from something that works. I could not find it.
Thanks.
---------------------------
ELMER SOLVER (v 8.4) STARTED AT: 2020/07/30 17:14:36
ParCommInit: Initialize #PEs: 1
MAIN: OMP_NUM_THREADS not set. Using only 1 thread per task.
MAIN:
MAIN: =============================================================
MAIN: ElmerSolver finite element software, Welcome!
MAIN: This program is free software licensed under (L)GPL
MAIN: Copyright 1st April 1995 - , CSC - IT Center for Science Ltd.
MAIN: Webpage
http://www.csc.fi/elmer, Email
elmeradm@csc.fi
MAIN: Version: 8.4 (Rev: 68372c6a, Compiled: 2020-07-25)
MAIN: Running one task without MPI parallelization.
MAIN: Running with just one thread per task.
MAIN: HYPRE library linked in.
MAIN: MUMPS library linked in.
MAIN: Lua interpreted linked in.
MAIN: Zoltan library linked in.
MAIN: =============================================================
MAIN:
MAIN:
MAIN: -------------------------------------
MAIN: Reading Model: case.sif
LoadInputFile: Scanning input file: case.sif
LoadInputFile: Loading input file: case.sif
LoadInputFile: Number of BCs: 4
LoadInputFile: Number of Body Forces: 0
LoadInputFile: Number of Initial Conditions: 0
LoadInputFile: Number of Materials: 1
LoadInputFile: Number of Equations: 1
LoadInputFile: Number of Solvers: 1
LoadInputFile: Number of Bodies: 1
Loading user function library: [HeatSolve]...[HeatSolver_Init0]
LoadMesh: Base mesh name: ./.
LoadMesh: Elapsed REAL time: 0.0316 (s)
MAIN: -------------------------------------
AddVtuOutputSolverHack: Adding ResultOutputSolver to write VTU output in file: case
Loading user function library: [HeatSolve]...[HeatSolver_Init]
Loading user function library: [HeatSolve]...[HeatSolver_bulk]
Loading user function library: [HeatSolve]...[HeatSolver]
RadiationFactors: ----------------------------------------------------
RadiationFactors: Computing radiation factors for heat transfer
RadiationFactors: ----------------------------------------------------
RadiationFactors: Total number of Radiation Surfaces 112 out of 688
RadiationFactors: Computing factors...
RadiationFactors: View factors filling (%) 5.9885E+01
RadiationFactors: Minimum Gebhardt factors sum 5.4356E-01
RadiationFactors: Maximum Gebhardt factors sum 9.2520E-01
RadiationFactors: Maximum share of omitted factors 0.0000E+00
RadiationFactors: Gebhardt factors filling (%) 1.0000E+02
RadiationFactors: Gebhardt factors determined (s) 1.4899E-02
RadiationFactors: All done time (s) 1.4921E-02
RadiationFactors: ----------------------------------------------------
malloc(): invalid size (unsorted)
Program received signal SIGABRT: Process abort signal.
Backtrace for this error:
#0 0x7f7f154c4cd1 in ???
#1 0x7f7f154c3ea5 in ???
#2 0x7f7f152f920f in ???
#3 0x7f7f152f918b in ???
#4 0x7f7f152d8858 in ???
#5 0x7f7f153433ed in ???
#6 0x7f7f1534b47b in ???
#7 0x7f7f1534e233 in ???
#8 0x7f7f15350418 in ???
#9 0x7f7f1590e5d5 in __listmatrix_MOD_list_getmatrixentry
at /home/elmeruser/elmerfem/fem/src/ListMatrix.F90:476
#10 0x7f7f1590e7ee in __listmatrix_MOD_list_addmatrixindexes
at /home/elmeruser/elmerfem/fem/src/ListMatrix.F90:456
#11 0x7f7f1597e4f1 in __elementutils_MOD_makelistmatrix
at /home/elmeruser/elmerfem/fem/src/ElementUtils.F90:658
#12 0x7f7f159810de in __elementutils_MOD_creatematrix
at /home/elmeruser/elmerfem/fem/src/ElementUtils.F90:1646
#13 0x7f7f15a4426c in __mainutils_MOD_addequationbasics
at /home/elmeruser/elmerfem/fem/src/MainUtils.F90:1513
#14 0x7f7f15c656b2 in addsolvers
at /home/elmeruser/elmerfem/fem/src/ElmerSolver.F90:1105
#15 0x7f7f15c714e1 in elmersolver_
at /home/elmeruser/elmerfem/fem/src/ElmerSolver.F90:398
#16 0x55839b5743cd in solver
at /home/elmeruser/elmerfem/fem/src/Solver.F90:57
#17 0x55839b57413e in main
at /home/elmeruser/elmerfem/fem/src/Solver.F90:34