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July 25, 2022, 11:23 |
WENO schemes in REEF3D
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#1 |
New Member
Xin Wang
Join Date: Jul 2021
Posts: 5
Rep Power: 5 |
Hi there,
While I was checking the UserGuide of REEF3D and testing the code, I noticed there are 2 WENO5 schemes in REEF3D, namely WENO5-HJ and WENO5-FLUX. It is appreciated if you could let me know the difference between them, and if there is any paper I can get more details of these two schemes. Many thanks, Xin |
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August 3, 2022, 09:55 |
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#2 |
Senior Member
Arun Kamath
Join Date: Nov 2014
Location: Trondheim, Norway
Posts: 265
Rep Power: 14 |
Hi Xin Wang,
WENO HJ- more suitable for level set equations following Jiang, G. S., & Peng, D. (2000). Weighted ENO schemes for Hamilton--Jacobi equations. SIAM Journal on Scientific computing, 21(6), 2126-2143. WENO Flux- conservative formulation more suitable for momentum equations following Jiang, G. S., & Shu, C. W. (1996). Efficient implementation of weighted ENO schemes. Journal of computational physics, 126(1), 202-228. Based on that we use by default D 10 4 (WENO Flux for momentum equations) F 35 5 (WENO HJ for level set) Hope that helps.
__________________
Arun X years with REEF3D |
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August 3, 2022, 10:10 |
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#3 | |
New Member
Xin Wang
Join Date: Jul 2021
Posts: 5
Rep Power: 5 |
Quote:
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reef3d, weno scheme |
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