# crank nicolson....emergency

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 May 30, 2010, 03:45 crank nicolson....emergency #1 Senior Member     Morteza Join Date: May 2010 Location: Iran,Islamic Republic of Posts: 159 Rep Power: 7 please open this link: www.herbcroft.com/carnk.jpg the problem is clear. there are two code written by my friends.. which contour seems to be the proper contour for this problem... check the code of worng contour and tell me the fault. tnx

 May 31, 2010, 20:13 #2 Senior Member   Julien de Charentenay Join Date: Jun 2009 Location: Australia Posts: 229 Rep Power: 9 My vote goes to 2... It looks like a problem with boundary conditions for 1 (IMO).

 May 31, 2010, 20:21 #3 Member   Jason G. Join Date: Sep 2009 Location: Clemmons, NC Posts: 76 Rep Power: 7 Does frame 1 have a BC of the temperature ~= 0 along y=0?

June 1, 2010, 02:50
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Morteza
Join Date: May 2010
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Posts: 159
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Quote:
 Originally Posted by JasonG Does frame 1 have a BC of the temperature ~= 0 along y=0?
yes..it has

 June 1, 2010, 08:14 #5 Member   Jason G. Join Date: Sep 2009 Location: Clemmons, NC Posts: 76 Rep Power: 7 If I am reading the problem figure correctly, it is saying the temperautre along Y=0 is constant with respect to theta. Figure 2 seems to represent that.

 June 1, 2010, 08:21 #6 Senior Member     Morteza Join Date: May 2010 Location: Iran,Islamic Republic of Posts: 159 Rep Power: 7 temperature is no zero along y=0.....y=0 is an insulated surface....temperature along x=0 is constant and equals to 50

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