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Showing results 1 to 12 of 12 Search took 0.00 seconds. Search: Posts Made By: A_Prakash

Forum: CFX February 3, 2014, 01:53

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Hello Angelov, The Mach number error is the... Hello Angelov, The Mach number error is the obvious pointer I think. Pressure level seems to be messed up in your problem. Looking at first two pics: Pic 1: You have three inlets and three...

Forum: CFX January 20, 2014, 09:44

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash I believe the message is self-explanatory.... I believe the message is self-explanatory. Somewhere, you have given a wrong input and therefore, you are exceeding the sum total value of 1. Sorry, I can't give u real pointers because I have no...

Forum: CFX November 19, 2013, 01:53

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Your assessment of inlet side density to compute... Your assessment of inlet side density to compute massflow is logical. However, it is strange as to why you see such high density. Even Air at -25C has Rho of 1.42 kg/m^3 (Source: Wikipedia). But...

Forum: CFX November 18, 2013, 03:14

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash No, it is absolutely not a problem. There is no... No, it is absolutely not a problem. There is no need to discriminate between Tgrid and Hex mesh. Both serve as a means to mesh depending on the complexity of geometry (and the particular region of...

Forum: CFX November 16, 2013, 12:08

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash No. The procedure is fine. You may need to vary... No. The procedure is fine. You may need to vary the mesh sizes a little bit. It is trial and error. Generally though, 11 skew elements would not matter much if your net no. of elements is say 1...

Forum: CFX November 14, 2013, 13:23

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Well, I am not sure why you don't have additional... Well, I am not sure why you don't have additional options. But, nevertheless it look like you are already using uniform tetra mesh without growth factor, which is what I suggested earlier. Try Hex...

Forum: CFX November 14, 2013, 09:35

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Hmm... 'one single interval size' is different... Hmm... 'one single interval size' is different from 'growing' the mesh. In Gambit you choose an element size to tetra mesh and u get additional option to grow (u have to specify what Gambit calls...

Forum: CFX November 14, 2013, 02:59

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Always happy to help and at the same time learn... Always happy to help and at the same time learn something new in the process. 1. You can use Gambit, no doubt. In Gambit set your solver to Fluent 5/6 (as you already have). Export the mesh...

Forum: CFX November 13, 2013, 09:32

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash In the above case insideSource is 0. No doubt.... In the above case insideSource is 0. No doubt. Note that x,y,z are not single final values. These will be evaluated over entire domain extent. So.... First of all: xFire, yFire and zFire are...

Forum: CFX November 12, 2013, 11:13

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Regarding your question on insideSource and... Regarding your question on insideSource and SourceFlag: 1) I have a flowchart which you might find useful (I created it for combusting model not inert model). See attachment. Flowchart is not...

Forum: CFX November 10, 2013, 09:59

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Thanks for your reply, CFDST. I got myself... Thanks for your reply, CFDST. I got myself implementing this source routine some time ago. I got it to work for inert case then moved on to combusting model. All works fine. I added a quadratic...

Forum: CFX November 10, 2013, 07:08

Replies: 84 Fire and smoke modeling Views: 24,772 Posted By A_Prakash Where did you get the part on jet fan modeling?... Where did you get the part on jet fan modeling? Is it new training material? And...Would mind sharing it, CFDST?

Showing results 1 to 12 of 12

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