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Showing results 1 to 13 of 13 Search took 0.00 seconds. Search: Posts Made By: fresty

Forum: FLUENT August 12, 2015, 03:23

Replies: 32 Mass flow Views: 2,832 Posted By fresty Yes i believe that should be the case.. however,... Yes i believe that should be the case.. however, you could compare your test situation with another by increasing the outlet diameter and see the physical changes in the system. It would always be...

Forum: FLUENT August 12, 2015, 03:05

Replies: 32 Mass flow Views: 2,832 Posted By fresty I am not really well versed in Fluent UDFs or... I am not really well versed in Fluent UDFs or expressions, however, it shouldn't be hard to find them with a quick search in the forum.. they should be something like (not the right syntax for...

Forum: FLUENT August 12, 2015, 02:45

Replies: 32 Mass flow Views: 2,832 Posted By fresty What are your outlet BCs? Have you specified the... What are your outlet BCs? Have you specified the Outlet pressure & Operating Pressure? what are the wall conditions of the pipe? The local pressure drop at a certain region could also result in...

Forum: FLUENT August 5, 2015, 17:33

Replies: 32 Mass flow Views: 2,832 Posted By fresty theoretically yes as volumetric flow is directly... theoretically yes as volumetric flow is directly additive (per my humble understanding)... this is something you could always check i guess.. not sure how fluent defines symmetry bc option.. it may...

Forum: FLUENT August 5, 2015, 07:07

Replies: 32 Mass flow Views: 2,832 Posted By fresty The simulation is ultimately what one intends to... The simulation is ultimately what one intends to yield out of it so you would have to set goals & parameters to make sure you're heading in the right direction.. What is the percentage error this...

Forum: FLUENT August 4, 2015, 08:06

Replies: 32 Mass flow Views: 2,832 Posted By fresty Not sure about closing the inlet or outlet.. that... Not sure about closing the inlet or outlet.. that is probably related to the flow parameters.. would probably need more details to comprehend that... However, yes all of this is because it's a steady...

Forum: FLUENT August 4, 2015, 07:15

Replies: 32 Mass flow Views: 2,832 Posted By fresty Good to know.. you could further try and enhance... Good to know.. you could further try and enhance this by face-meshing the outlet circular faces and curved surfaces separately.. Up to best of my knowledge, inflation layers are usually for the...

Forum: FLUENT August 3, 2015, 09:52

Replies: 32 Mass flow Views: 2,832 Posted By fresty it seems much better now, would be fairly... it seems much better now, would be fairly realistic to see more convergent & symmetrical results.. Not sure about any tool to check symmetry.. running it to evaluate the difference would be something...

Forum: FLUENT August 3, 2015, 09:08

Replies: 32 Mass flow Views: 2,832 Posted By fresty Yes sure it would always enhance the near outlet... Yes sure it would always enhance the near outlet result if you may need them to be.. but i guess the initial step would be to have a symmetric mesh and run to ascertain symmetrical results......

Forum: FLUENT August 3, 2015, 08:12

Replies: 32 Mass flow Views: 2,832 Posted By fresty Yes face meshing is different from applying hex... Yes face meshing is different from applying hex or tetrahedral mesh method.. you're doing it right, just keep mapped meshing option on..

Forum: FLUENT August 3, 2015, 07:41

Replies: 32 Mass flow Views: 2,832 Posted By fresty By the way when you say it keeps changing the... By the way when you say it keeps changing the results on every increment of mesh elements, it means you haven't at all reached the grid independence and problem lies in your mesh.. if further...

Forum: FLUENT August 3, 2015, 07:38

Replies: 32 Mass flow Views: 2,832 Posted By fresty Not sure about the order of asymmetry or the... Not sure about the order of asymmetry or the error magnitude but the mesh does seem pretty random... so can you mention a rough error %age you are encountering? I am assuming all outlets have...

Forum: FLUENT August 3, 2015, 06:36

Replies: 32 Mass flow Views: 2,832 Posted By fresty Roughly speaking by the look of your sketch &... Roughly speaking by the look of your sketch & parameters, probably one of the only reasons for non-symmetrical results could be the mesh..however I am assuming that your mesh is structured and...

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