User talk:Griffgruff

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Method of lines

Thank you for the Method of lines article. And I have a note. When moving articles, one should use the "move" tab rather than cut and paste, since with the latter we lose track of an article's history. I now merged back the histories of Method of lines and Numerical method of lines. You can reply here if you have comments. Cheers, Oleg Alexandrov (talk) 00:42, 30 April 2007 (UTC)

Oleg: Thanks for informing me. I am somewhat new to wikipedia and am not familiar with the finer points of editing, etc. I will use move in future. Regards Griffgruff 18:52, 4 May 2007 (UTC)

No problem. :) Oleg Alexandrov (talk) 02:02, 5 May 2007 (UTC)

sandbox

I have moved Griffgruff/sandbox to User:Griffgruff/sandbox. -- RHaworth 16:39, 5 May 2007 (UTC)

Thanks. Griffgruff 12:21, 17 May 2007 (UTC)

MUSCL scheme

My compliments for your texts in MUSCL scheme, Flux limiter and more. You added just that little bit of extra understanding to get the bigger picture! On the MUSCL talk page, I added a question, I am not sure whether you are watching that topic, so this is a reminder (no hurry, though) --ArthurVanDam 12:30, 16 May 2007 (UTC)

Thank you for your feedback and kind comments. Griffgruff 11:27, 17 May 2007 (UTC)

Note on BC

Hi. Thank you for adding references to the boundary conditions articles. One small note: per conventions references should go after "see also", rather than before (I fixed that). I have a comment. I am not sure how widespread the terminology "first type", "second type", etc., is, I have never heard of it. I am not sure if it is worth mentioning it right at the beginning. I removed it for now, but I can add it back if you think it is widely used. Thanks. You can reply here. Oleg Alexandrov (talk) 06:57, 5 January 2008 (UTC)

Thank you for pointing out the convention that References come after See also, and for making the changes. With regard to boundary conditions, there is a convention, albeit not universal, that describes them as:

• a boundary condition of the first type is called a Dirichlet boundary condition;
• a boundary condition of the second type is called a Neumann boundary condition;
• a boundary condition of the third type is called a Robin boundary condition.

However, it does seem to be universally accepted that they are presented in the above order when defining them. I have no particular axe to grind on this although my preference would be for them to be described as first, second and third type.

Griffgruff (talk) 20:25, 6 January 2008 (UTC)

OK, I put back the "types". Cheers, Oleg Alexandrov (talk) 05:12, 9 January 2008 (UTC)

MUSCL scheme

Hi. Sorry for my bad english. Thanks for your articles MUSCL scheme and Flux limiter. At MUSCL scheme you add some graphics, could you give a link to example of Kurganov and Tadmor central scheme implementation for 1d advection equation? Thanks. Nikolay Khokhlov (talk) 15:50, 23 November 2010 (UTC)

The Kurgunov and Tadmore scheme is described in their original paper Griffgruff (talk) 14:05, 14 January 2011 (UTC)

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Mistake in Kurganov Tadmor scheme?

Hi,

please have a look at the MUSCL scheme discussion. I added a section there about the local propagation speed which I think is different compared to the original algorithm. If you find some time it would be great if you could review that.

Besides that, thanks for the great page.

Best, Arno Mayrhofer (talk) 04:18, 6 February 2015 (UTC)

Many thanks for your feedback. I have made the correction.

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