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More fun with CFD

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David Stribling - 28 Jun 2004 00:42 GMT
I did some more computational fluid dynamic (CFD) analysis, this time of a
1950s era NACA research vehicle called the RM-10.  It was used to research
supersonic aerodynamics.  The page is at:

http://www.geocities.com/rocketguy_101/RM10/RM10.html

I am still waiting for a software upgrade to allow continued work on the
Alpha launch lug.  Our present version will not allow me to mesh a fine grid
around the lug area to increase the accuracy of the solution.

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David Stribling
But it _is_ rocket science!
Get yer Barrowmans at <http://rocketguy101.www9.50megs.com/>
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Jerry Irvine - 28 Jun 2004 01:03 GMT
> I did some more computational fluid dynamic (CFD) analysis, this time of a
> 1950s era NACA research vehicle called the RM-10.  It was used to research
[quoted text clipped - 5 lines]
> Alpha launch lug.  Our present version will not allow me to mesh a fine grid
> around the lug area to increase the accuracy of the solution.

Maybe model the launch lug as an inlet.

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Jerry Irvine, Box 1242, Claremont, California 91711 USA
Opinion, the whole thing. <mail to:01rocket@gte.net>
Please bring common sense back to rocketry administration.
Produce then publish.  http://www.usrockets.com
My articles valuable? Donate http://tinyurl.com/2hmgv

Cliff Sojourner - 28 Jun 2004 04:48 GMT
> I did some more computational fluid dynamic (CFD) analysis, this time of a
> 1950s era NACA research vehicle called the RM-10.  It was used to research
> supersonic aerodynamics.  The page is at:
>
> http://www.geocities.com/rocketguy_101/RM10/RM10.html

thanks for posting this - the RM-10 is really awesome looking.  the cfd
is fun too.

> I am still waiting for a software upgrade to allow continued work on the
> Alpha launch lug.  Our present version will not allow me to mesh a fine grid
> around the lug area to increase the accuracy of the solution.
BRMutti - 28 Jun 2004 12:20 GMT
Hi David,
 What was the CFD code you used?

Fly straight and true (even on a computer)!

MikeyR
Day job -- CFD analyist...
Stephen Woolhead - 28 Jun 2004 16:34 GMT
> Hi David,
>   What was the CFD code you used?

Looks like COSMOS Flo works to me...

Stephen.
David Stribling - 29 Jun 2004 03:26 GMT
Yup!  Good eye Stephen!  Our full time analysts use Fluent--I do more
structures work (ANSYS FEA) but like fooling around--er, TRAINING with
FloWorks!

DS

> > Hi David,
> >   What was the CFD code you used?
>
> Looks like COSMOS Flo works to me...
>
> Stephen.
BRMutti - 29 Jun 2004 03:32 GMT
Hi all,
 We use Fluent and CFX for our little jobs (< 3million nodes), and a
home-grown code for the real ones (30-50 million) on 32-128 processors....

Compute straight and true!

MikeyR
David Stribling - 29 Jun 2004 03:35 GMT
Some people get to have _all_ of the fun!

DS

> Hi all,
>   We use Fluent and CFX for our little jobs (< 3million nodes), and a
[quoted text clipped - 3 lines]
>
> MikeyR
Jerry Irvine - 29 Jun 2004 05:21 GMT
> Hi all,
>   We use Fluent and CFX for our little jobs (< 3million nodes), and a
[quoted text clipped - 3 lines]
>
> MikeyR

Practice on my stuff :)

Signature

Jerry Irvine, Box 1242, Claremont, California 91711 USA
Opinion, the whole thing. <mail to:01rocket@gte.net>
Please bring common sense back to rocketry administration.
Produce then publish.  http://www.usrockets.com
My articles valuable? Donate http://tinyurl.com/2hmgv

Phil Stein - 29 Jun 2004 12:33 GMT
Send him some samples to work with.

>> Hi all,
>>   We use Fluent and CFX for our little jobs (< 3million nodes), and a
[quoted text clipped - 5 lines]
>
>Practice on my stuff :)
 
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