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January 4, 2023, 07:31 |
Implementation of GCIBM
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#1 |
Member
Ajay Jatoliya
Join Date: Nov 2022
Posts: 65
Rep Power: 3 |
Hello REEF 3D team,
I have a few queries, 1. How to implement ghost cell method in REEF 3D model? Is it X 13 ? 2. How to incorporate the relaxation coefficient (Kr)? Please look into the file i have attached. 3. How to implement the k-omega SST model? Is it T 10 22? I am also waiting for the query that I have posted previously. if possible could you please look into that because I am facing the same issue again and again. Thank you |
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January 12, 2023, 04:49 |
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#2 |
Senior Member
Arun Kamath
Join Date: Nov 2014
Location: Trondheim, Norway
Posts: 265
Rep Power: 13 |
1. The ghost cell method is already implemented in REEF3D is the primary method for REEF3D to manage all the solid-fluid boundaries.
2. I need more context for this, I have never seen this before 3. REEF3D does not have the SST model. T 10 22 is k-w for URANS while T 10 2 is k-w for RANS. T 10 2 includes limiters that are sufficient for wave simulations. T 36 introduces a free surface turbulence boundary condition as described in this paper
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Arun X years with REEF3D |
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January 16, 2023, 05:00 |
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#3 |
Member
Ajay Jatoliya
Join Date: Nov 2022
Posts: 65
Rep Power: 3 |
Hello Kamath,
Thanks for response https://doi.org/10.1080/19942060.2018.1438924 In this paper, the author mentions the relaxation coefficient (kr) (equation no. 16) also, in Paragraph no. 2.2.1.1, he mentions that he used the k-omega SST model in REEF 3D. If possible, can you please review this paper and clarify my doubt? Thanks |
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January 16, 2023, 05:43 |
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#4 |
Senior Member
Arun Kamath
Join Date: Nov 2014
Location: Trondheim, Norway
Posts: 265
Rep Power: 13 |
The equations they show correspond to T 10 2, but there is no SST there.
With regards to the Kr coefficient, get in touch with the corresponding author of that paper as I am not aware of the changes they might have made to the source code for their work. It is not implemented in the official REEF3D releases
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Arun X years with REEF3D |
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January 16, 2023, 05:56 |
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#5 |
Member
Ajay Jatoliya
Join Date: Nov 2022
Posts: 65
Rep Power: 3 |
Ok, thank you sir
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