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FDS user guide, 7.3.11 GEOM Limitations |
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Dear developers,
In recent versions (e.g., FDS 6.9.1), the
GEOM
keyword was introduced to increase the applicability of FDS to unstructured geometry. It allows the division of an object's surface into multiple triangular meshes using various definitions, primarily involving blocks, spheres, cylinders, and so on. But the currentGEOM
function also has some limitations, particularly in relation toVENT
,MULT
, and similar functions.It's worth noting that the more commonly used OBST function can also create geometry, but it uses structural cuts. My question is, what are the differences betweenGEOM
andOBST
in terms of application, such as geometry modeling and fire simulation? While I am aware that both can configure faces to undergo burning in some manner, I'm uncertain whether, in most cases, the geometry created byGEOM
should be considered as an entity that is not involved in any computations during use?Regards,
LI
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