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Old   July 11, 2005, 21:55
Default Advection scheme
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Tanaka
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Hi ! Would you please advise which EXPLICIT scheme is best/good for solving pure advection problems that gurantees the mass conservation? Thanking. Tanaka.
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Old   July 11, 2005, 23:21
Default Re: Advection scheme
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Junseok Kim
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If you use conservative advection form, then the mass conservation is gurantted.

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Old   July 11, 2005, 23:40
Default Re: Advection scheme
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Tanaka
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Hi Kim thanx for the quick response. I will use conservative form. But please tell the name of the scheme, which is not diffusive, non-oscilllatory and perfectly conserves the mass. Thankx again, Tananka
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Old   July 11, 2005, 23:49
Default Re: Advection scheme
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Junseok Kim
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ENO or WENO are quite popular these days for the advection scheme. You can look at Chi-Wang Shu's webpage for the references.

http://www.dam.brown.edu/people/shu/pub.html
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Old   July 11, 2005, 23:55
Default Re: Advection scheme
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Tanaka
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Thank you very much Dr. Kim. Would you kindly email me a copy of the code (fortran or c or c++) for any of the these schemes. I want to incorporate in my 3D code. Tanaka, Japan
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Old   July 12, 2005, 00:06
Default Re: Advection scheme
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Junseok Kim
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Send your code to me, then I will add the 2nd order ENO or the 5th order WENO advection scheme and send you back. If possible, send related paper for your code for me to better understand your code.

Kim

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Old   July 12, 2005, 01:06
Default Re: Advection scheme
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Michail Kirichkov
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It seems to me that HLPA scheme by Zhu J. is the best

See article

Low-diffusive and oscillation-free convection scheme // Communication and Applied Numerical Methods, 1991. 7, N 3 225-232
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Old   July 12, 2005, 01:08
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Tanaka
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Thanx a lot for the input, I will check the article regards, Tanaka
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Old   July 12, 2005, 01:36
Default reference
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Junseok Kim
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Journal of Computational Physics 150, 561594 (1999)

"A High-Order WENO Finite Difference Scheme for the Equations of Ideal Magnetohydrodynamics"

Guang-Shan Jiang and Cheng-chin Wu
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Old   July 12, 2005, 02:42
Default Re: Advection scheme
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Michail Kirichkov
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Dear Tanaka

Unfortunately I have not the article, I myself far away from it. (

But I found description using Google and here is the link

http://www.lkt.iet.ethz.ch/~lakehal/...4/material.htm

see chapter 4

Mike
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Old   July 12, 2005, 02:47
Default Re: Advection scheme
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Michail Kirichkov
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to be more exact

at the page you open will be

Chapter 1: Introduction to the Course, Navier-Stokes and Heat Convection Equations

Chapter 2: Numerical Thermal Analysis I: Finite Difference Method

Chapter 3: Numerical Thermal Analysis II: Finite Volume Method

Chapter 4: Phenomenology of Turbulence

Chapter 5: Turbulence Modelling

-----------------------------------------------

- Choose Chapter 3

- there will be Chapter 4 (in pdf)

- page 56

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