GEOM error - Blender FDS Latest version with Cylinders and solidify

[John S.]

I am trying to better design the physics of a burning candle using Blender FDS latest version to export a better approximation of a candle as two cylinders, one solid and one empty with "Solidify" used to draw the "glass" container wall.

When I use OBST and Voxels to export the physical candle, it works fine, but it is clunky with a 5mm mesh.

I tried to use GEOM to make a nice shaped candle, I am certain that the hollow cylinder and the candle cylinder do not overlap, however I keep getting an error.

I am running a code with 8 mesh made using MULT.  I don't think there are bugs in other parts of the code, as it will run with the OBST and voxels.  The GEOM has a SURF_ID which links it to a SURF code with HT3D=.TRUE. and color and MATL ID with properties, but no thickness.

I checked sanity on the GEOM before exporting.

It runs for one time step then gives the following error repeating for each mesh:

 Time Step:      1, Simulation Time:      0.02 s

forrtl: severe (157): Program Exception - access violation

Image              PC                Routine            Line        Source

fds.exe            00007FF6F8C78449  COMPLEX_GEOMETRY_       12943  geom.f90

fds.exe            00007FF6F8C825F4  Unknown               Unknown  Unknown

fds.exe            00007FF6F899F7EB  MAIN__                    626  main.f90

fds.exe            00007FF6F895F09E  Unknown               Unknown  Unknown

fds.exe            00007FF6F92F6664  Unknown               Unknown  Unknown

KERNEL32.DLL       00007FFE10977C24  Unknown               Unknown  Unknown

ntdll.dll          00007FFE1198D721  Unknown               Unknown  Unknown

===================================================================================

=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES

=   RANK 0 PID 1348 RUNNING AT HEN009147

=   EXIT STATUS: -1 (ffffffff)

===================================================================================

Any idea what might be causing this?

[Marcos Vanella]

Hi John,

Please post the case on the issue tracker. Note HT3D is not supported for geometries currently. For this we need to add a graceful stop.

Thanks.

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