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OOM issues #2

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kowalskiw opened this issue Oct 14, 2024 · 1 comment
Open

OOM issues #2

kowalskiw opened this issue Oct 14, 2024 · 1 comment

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@kowalskiw
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At the current stage of development we have out-of-memory issues when running CFAST and AAMKS in parallel.

Reference AAMKS issue: aamks/aamks#338

@AleksanderKamienski
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Unfortunately, I was not able to reproduce this error on my local computer and I currently do not have access to the computer on which this error occurred, but I propose a solution that may work. the memory problem may be due to an increased value of the mxpts variable. For long simulations you can restore this value to the initial 200 and use a two-element array of T and F in the CRITERION parameter like this: &VENT TYPE = 'WALL' ID = 'd1' COMP_IDS = 'c1', 'r11' WIDTH = 0.9 TOP = 2.0 BOTTOM = 0.0 OFFSET = 0.99 FACE = 'FRONT' CRITERION = 'TIME', T = 0.450, F = 1.1/ in the solve.f90 file of the Fortran code, instead of changing the opening in a given second of the simulation, each time the door opens/closes, both values ​​of the F array should be changed to 0 and 0 or 1 and 1, respectively. This will cause the Fortran program to set the door to be completely closed (0,0) or open (1,1) in the flow equations at appropriate times in the simulation.

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