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

Forum: OpenFOAM Running, Solving & CFD August 27, 2014, 07:59

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Hi Rohith Thank you for the suggestions. I... Hi Rohith Thank you for the suggestions. I would try to implement them and see how it goes. As you indicated, the slopes are quite different but after having a word with the testing department...

Forum: OpenFOAM Running, Solving & CFD August 27, 2014, 05:26

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Hi Rohith The solver I am using is... Hi Rohith The solver I am using is convMeltFoam from Fabian. Could you be more specific about what you mean by the algorithm employed? You mean the pressure corrector or something else? Cheers...

Forum: OpenFOAM Running, Solving & CFD August 27, 2014, 04:05

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Hi Ahmed The mesh is fine but not finest. I... Hi Ahmed The mesh is fine but not finest. I did a grid study for my geometry and I took mesh levels of 0.5, 1 and 2 million. There is a noticeable difference from half to one million. But one to...

Forum: OpenFOAM Running, Solving & CFD August 20, 2014, 07:07

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Hullo Fabian I have conducted some test runs... Hullo Fabian I have conducted some test runs and compared with the experimental data available as a part of my master thesis. It was interesting to note that once the solid melted, a lot of noise...

Forum: OpenFOAM Running, Solving & CFD August 5, 2014, 13:18

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash @fabian Sure, would be happy to read your... @fabian Sure, would be happy to read your thesis. Kindly post it here when you are done with it. @YS Can I have access to the paper you are referring to? Cheers

Forum: OpenFOAM Running, Solving & CFD August 5, 2014, 09:14

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Yes, the flow field did not change entirely. When... Yes, the flow field did not change entirely. When i compare the result with AVL Fire, the difference in profile can be observed. This probably comes with the way the solver is implemented in Fire. I...

Forum: OpenFOAM Running, Solving & CFD August 5, 2014, 05:45

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Hullo Fabian I am not at liberty to disclose... Hullo Fabian I am not at liberty to disclose the properties of PCM. But I feel that Boussinesq approximation is introducing some error here. The approximation is I believe valid for a difference...

Forum: OpenFOAM Running, Solving & CFD July 25, 2014, 04:31

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash And yes, the profile with higher melting is from... And yes, the profile with higher melting is from openfoam....

Forum: OpenFOAM Running, Solving & CFD July 25, 2014, 04:30

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Hullo Fabian I am sorry but there was no... Hullo Fabian I am sorry but there was no problem in my simulation actually. I was making a visualization error in AVL Fire. I took a sample test case(2D) to do some comparison of Foam and Fire. A...

Forum: OpenFOAM Running, Solving & CFD July 24, 2014, 08:36

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash hullo I am a little stuck up with boundary... hullo I am a little stuck up with boundary conditions for wall. Let me explain. I am solving a 2D melting problem for comparison with AVL Fire. I have a surface named THOT and it is at a...

Forum: OpenFOAM Running, Solving & CFD July 17, 2014, 08:15

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Thanks for the inputs Fabian. I played around a... Thanks for the inputs Fabian. I played around a bit and looks like Courant no of 10 gives the fastest time possible. Maybe reducing the nCorrectors to 1 (I have two) might boost my speed up further...

Forum: OpenFOAM Running, Solving & CFD July 10, 2014, 07:27

Replies: 328 melting problem: looking for appropriate solvers Views: 101,606 Posted By pakanatiakash Hullo All I am new to Foam but I have been... Hullo All I am new to Foam but I have been trying to simulate 3D melting phenomena using AVL Fire for my master thesis. AVL works well for hexa mesh but when i go for a tetra mesh it diverges....

Showing results 1 to 12 of 12

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