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1D Heattransfare Simulation Excel-Help needed!

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Old   September 18, 2014, 09:59
Default 1D Heattransfare Simulation Excel-Help needed!
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Sebastian
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Hello,

i am a mechanical engineer Student. I have to demonstrate a simple Simulation of a 1d heattransfer in Excel with 10 Gridpoints.

The equation is aP*TP=aE*TE+aW*Tw
ap=2*aE; aE=aw

The equation should be solved by the thomas algorithm.
I have typed the following equations into an Excel file and activated iterations.

r1=c1/b1
ri=ci/(bi-ai*ri-1)

q1=d1/b1
qi=(di-ai*qi-1)/(bi-ai*ri-1)

Ti=qi-ri*Ti+1

But the Problem is that the values are not correct. It would be nice if someone could help me out.

I have attached my Excel file.

Sorry for my bad english and thanks for any help in advance!
Attached Files
File Type: xlsx 1D-Heattransfer.xlsx (14.4 KB, 18 views)
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Old   October 6, 2014, 04:48
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Is the problem still open for correction?
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Old   October 14, 2014, 19:51
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Yeah sure, any help is appreciated.
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Old   November 29, 2014, 01:01
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Mehul Patel - CFD Expert
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Quote:
Originally Posted by Skipper141 View Post
Hello,

i am a mechanical engineer Student. I have to demonstrate a simple Simulation of a 1d heattransfer in Excel with 10 Gridpoints.

The equation is aP*TP=aE*TE+aW*Tw
ap=2*aE; aE=aw

The equation should be solved by the thomas algorithm.
I have typed the following equations into an Excel file and activated iterations.

r1=c1/b1
ri=ci/(bi-ai*ri-1)

q1=d1/b1
qi=(di-ai*qi-1)/(bi-ai*ri-1)

Ti=qi-ri*Ti+1

But the Problem is that the values are not correct. It would be nice if someone could help me out.

I have attached my Excel file.

Sorry for my bad english and thanks for any help in advance!
Hello,

Have you got any solution for your question?
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HiTech CFD - CFD Analysis Services Provider.
http://www.hitechcfd.com/
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