TAGGED: fluent, mesh-generation, mosaic-meshing
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November 7, 2020 at 5:14 amahmedshafieSubscriberdoing external flow with fluent , we supress geometry nso what is difference between making geometry region dead and solid ?n
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November 9, 2020 at 6:12 amKeyur KanadeAnsys EmployeeThe dead region will not be refined with final sizes and will not be transferred to solution mode. nSolids will be refined as per sizes and will be transferred to solution mode. nPlease see help manual for more details about these commands. nRegards,nKeyurnGuidelines for Posting on Ansys Learning ForumnHow to access ANSYS help linksnn
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November 13, 2020 at 3:07 amahmedshafieSubscriberso for external flow , solid region will have mesh while dead wont , does that affect study ?n
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November 13, 2020 at 4:32 pmRobForum ModeratorIt depends. If you don't want heat transfer through the solid part then dead is fine. n
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November 15, 2020 at 2:12 amahmedshafieSubscriberthanks for your answer , so heat transfer , also stresses applied to body right ? can i do fluid solid interaction afterwards if i select DEAD region ? n
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November 16, 2020 at 9:45 amRobForum ModeratorYou would need to map surface data to Mech and re-calculate the temperature field. If you want a temperature field in the metal bit(s) use Solid. n
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November 16, 2020 at 11:08 pmahmedshafieSubscriberThanks alot , also Dead option has advantage that no solid mesh will be generated so less mesh elements used n
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November 17, 2020 at 9:38 amRobForum ModeratorCorrect. Dead is void (effectively) where as solid is meshed and part of the model & solution. nFor info, dead was originally the designation for non-fluid cells when we had full cartesian meshes and needed to fit the geometry into a cuboid (last needed in Fluent 4). Those cells were included in the cell count, but didn't use much RAM. The term was retained for voids in Fluent Meshing. n
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May 23, 2023 at 2:47 pmMert CanSubscriber
Let's say I extract a flow volume for an internal flow problem and solve it. In the post-processing section, I want to show the external geometry from which I extracted the flow volume as a transparent solid model. how can I do that ? I can't see this geometry in the post processing section because I didn't include this geometry in the analysis (because I didn't create a mesh) while I was setting up the analysis.
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May 24, 2023 at 1:11 pmRobForum Moderator
In Fluent you can append mesh files, so it may be easiest to put a mesh onto the casing and read it into the solved model.
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