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CFD by anderson, chp 10.... supersonic flow over flat plate

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Old   March 25, 2010, 06:22
Thumbs down CFD by anderson, chp 10.... supersonic flow over flat plate
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hi all

i'm trying to write C code for supersonic flow over flat plate. i'm reffereing CFD by JD anderson chp 10. i have a few doubts hope u can help.

firstly when i'm calculating vector E at plate surface and vector F at inflow, what should be the values of txy, txx, tyy, qx and qy, should i consider. should i take all of them to be zero...???

and after prdictor step, when calculating txy, then in one of the terms we need to calculate central difference, so our expression is something like....
U(i+1,j)-U(i-1,j) but we dont have values for U(i+1,j) at time step t+dt, right...??? so am i suppose to use the values calculated at previous time step.... coz that is the only way... jz needed to confirm..

thanks once again

varun
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Old   December 20, 2011, 04:30
Smile Full code
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Hi,

Sorry for the late reply.

I am posting the full code in the attachment, in C. All functions are named as in Anderson. Takes 70 seconds. No input files. All parameters are defined in preprocessor part..

Has been verified using the temperature profile at the trailing edge. Hope this helps.

Enjoy.
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Old   December 20, 2011, 04:33
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Ooops. Didn't upload.
Here should be the code.
Attached Files
File Type: c main.c (41.1 KB, 328 views)
Far, Mariusz, aerosjc and 2 others like this.
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Old   February 16, 2012, 10:39
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Thanks for the code
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Old   March 29, 2013, 07:26
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thanks for c code.
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Old   April 3, 2013, 08:39
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Quote:
Originally Posted by Bajji View Post
Ooops. Didn't upload.
Here should be the code.
there is one little error in the code, see attached pic.

The second Redx should be Redy.
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File Type: png redy.PNG (6.4 KB, 120 views)
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Old   April 29, 2013, 00:20
Default Thank you
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Hi Cean,
Thanks for pointing out the error! I don know how the plots came out fine after the mess up . Thanks again
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Old   May 3, 2013, 03:49
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thank you so much
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Old   August 14, 2013, 12:37
Default would you please send me a copy?
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my email address is my username, if you decided to help, ofcourse.
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Old   August 14, 2013, 16:34
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Quote:
Originally Posted by Bajji View Post
Ooops. Didn't upload.
Here should be the code.
Mr.Balaji ,

I tried compiling the code u gave without making any change in it .

I just gave me errors . if possible take a look at this

Code:
main.c: In function ‘main’:
main.c:145:13: warning: passing argument 4 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 5 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 6 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 7 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 8 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 9 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 10 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 11 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 12 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c: At top level:
main.c:443:6: warning: conflicting types for ‘verbose_mac’ [enabled by default]
main.c:140:13: note: previous implicit declaration of ‘verbose_mac’ was here
main.c:1175:6: warning: conflicting types for ‘u2fp’ [enabled by default]
main.c:318:5: note: previous implicit declaration of ‘u2fp’ was here
/tmp/ccbyCj1V.o: In function `mac':
main.c:(.text+0xbe8): undefined reference to `pow'
main.c:(.text+0xe9c): undefined reference to `sqrt'
main.c:(.text+0xf68): undefined reference to `sqrt'
/tmp/ccbyCj1V.o: In function `verbose_mac':
main.c:(.text+0x19d2): undefined reference to `pow'
main.c:(.text+0x1aca): undefined reference to `sqrt'
main.c:(.text+0x1b96): undefined reference to `sqrt'
/tmp/ccbyCj1V.o: In function `fp2u':
main.c:(.text+0x2b45): undefined reference to `pow'
main.c:(.text+0x2b86): undefined reference to `pow'
/tmp/ccbyCj1V.o: In function `fp2e':
main.c:(.text+0x2cc9): undefined reference to `pow'
main.c:(.text+0x2e9a): undefined reference to `pow'
main.c:(.text+0x2ee1): undefined reference to `pow'
/tmp/ccbyCj1V.o:main.c:(.text+0x31eb): more undefined references to `pow' follow
collect2: error: ld returned 1 exit status
sudharsan@ubuntu:~/Desktop$ gcc -lm main.c
main.c: In function ‘main’:
main.c:145:13: warning: passing argument 4 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 5 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 6 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 7 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 8 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 9 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 10 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 11 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c:145:13: warning: passing argument 12 of ‘mac’ from incompatible pointer type [enabled by default]
main.c:69:6: note: expected ‘float *’ but argument is of type ‘float (*)[70][70]’
main.c: At top level:
main.c:443:6: warning: conflicting types for ‘verbose_mac’ [enabled by default]
main.c:140:13: note: previous implicit declaration of ‘verbose_mac’ was here
main.c:1175:6: warning: conflicting types for ‘u2fp’ [enabled by default]
main.c:318:5: note: previous implicit declaration of ‘u2fp’ was here
/tmp/ccnpPswn.o: In function `mac':
main.c:(.text+0xbe8): undefined reference to `pow'
main.c:(.text+0xe9c): undefined reference to `sqrt'
main.c:(.text+0xf68): undefined reference to `sqrt'
/tmp/ccnpPswn.o: In function `verbose_mac':
main.c:(.text+0x19d2): undefined reference to `pow'
main.c:(.text+0x1aca): undefined reference to `sqrt'
main.c:(.text+0x1b96): undefined reference to `sqrt'
/tmp/ccnpPswn.o: In function `fp2u':
main.c:(.text+0x2b45): undefined reference to `pow'
main.c:(.text+0x2b86): undefined reference to `pow'
/tmp/ccnpPswn.o: In function `fp2e':
main.c:(.text+0x2cc9): undefined reference to `pow'
main.c:(.text+0x2e9a): undefined reference to `pow'
main.c:(.text+0x2ee1): undefined reference to `pow'
/tmp/ccnpPswn.o:main.c:(.text+0x31eb): more undefined references to `pow' follow
collect2: error: ld returned 1 exit status
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Old   August 15, 2013, 09:49
Wink math library?
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Balaji Sankar
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Hi,

Please google on "Linking math library while compiling c++ codes" .

You basically add -lm option to your compile line so that the GCC can find power and absolute functions that are used in the code.

PS: I had the same error few years ago

Hope it helps
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Old   August 15, 2013, 09:51
Smile Code is there!
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Hi,

The code is already posted here! Just run the main.c.

Quote:
Originally Posted by Bajji View Post
Ooops. Didn't upload.
Here should be the code.
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Old   August 20, 2013, 23:02
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Quote:
Originally Posted by Bajji View Post
Hi,

Please google on "Linking math library while compiling c++ codes" .

You basically add -lm option to your compile line so that the GCC can find power and absolute functions that are used in the code.

PS: I had the same error few years ago

Hope it helps

IT worked Mr.Balaji . How do i obtain the plots ? . Do i need to use any other software to plot ? .

Thanks in advance
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Old   August 20, 2013, 23:37
Thumbs up Plotting the output
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Hi ,

Glad it helped you. You can use gnuplot for plotting results. A very small script will let you automate the plotting wonderfully. Its highly recommended for 2D plots.

Quick way to get things done is to copy the pressure and temperature matrices into Matlab and do surface plots. This is how I did it long back.

enjoy!
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Old   August 20, 2013, 23:44
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Quote:
Originally Posted by Bajji View Post
Hi ,

Glad it helped you. You can use gnuplot for plotting results. A very small script will let you automate the plotting wonderfully. Its highly recommended for 2D plots.

Quick way to get things done is to copy the pressure and temperature matrices into Matlab and do surface plots. This is how I did it long back.

enjoy!

Thank you Mr.Balaji .

I got the u_profile via gnuplot . I myself tried writing the entire thing in matlab . it did gave me results after 15000 iterations . But the results are slightly over predicted . Can you help me with this ? I am not a good programmer .
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Old   August 21, 2013, 02:47
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Quote:
Originally Posted by archeoptyrx View Post
IT worked Mr.Balaji . How do i obtain the plots ? . Do i need to use any other software to plot ? .

Thanks in advance
Hi, I made one exe file under win7@32. It outputs some plots while simulating. You can press D,T,P,V,R key to switch between Desity,Temperature,Presssure, Vector and residual plot. At the end, it also outputs GMSH's pos files. You could view it with GMSH.

You could download it from here:
https://sites.google.com/site/gmsh2s...edirects=0&d=1

Enjoy.
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Old   January 24, 2015, 22:43
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Quote:
Originally Posted by Bajji View Post
Ooops. Didn't upload.
Here should be the code.
I encountered the following error~~~

Could you point out what is the problem?
I use visual studio 2010 to compile it

1> Touching "Debug\navierStokes_anderson.unsuccessfulbuild ".
1>ClCompile:
1> main.cpp
1>d:\cfd\navierstokes_anderson\main.cpp(106): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(107): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(142): error C3861: 'verbose_mac': identifier not found
1>d:\cfd\navierstokes_anderson\main.cpp(147): error C2664: 'mac' : cannot convert parameter 4 from 'float [5][70][90]' to 'float *'
1> Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
1>d:\cfd\navierstokes_anderson\main.cpp(211): warning C4305: '=' : truncation from 'double' to 'float'
1>d:\cfd\navierstokes_anderson\main.cpp(217): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(218): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(221): warning C4305: '=' : truncation from 'double' to 'float'
1>d:\cfd\navierstokes_anderson\main.cpp(227): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(228): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(231): warning C4305: '=' : truncation from 'double' to 'float'
1>d:\cfd\navierstokes_anderson\main.cpp(265): warning C4305: 'initializing' : truncation from 'double' to 'float'
1>d:\cfd\navierstokes_anderson\main.cpp(269): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(270): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(271): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(299): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(300): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(301): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(309): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(320): error C3861: 'u2fp': identifier not found
1>d:\cfd\navierstokes_anderson\main.cpp(328): error C3861: 'u2fp': identifier not found
1>d:\cfd\navierstokes_anderson\main.cpp(450): warning C4305: 'initializing' : truncation from 'double' to 'float'
1>d:\cfd\navierstokes_anderson\main.cpp(454): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(482): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(483): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(484): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(491): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(615): error C3861: 'u2fp': identifier not found
1>d:\cfd\navierstokes_anderson\main.cpp(681): error C3861: 'u2fp': identifier not found
1>d:\cfd\navierstokes_anderson\main.cpp(717): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(732): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(749): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(761): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(769): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(773): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(777): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(781): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(785): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(793): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(797): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(801): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(806): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(810): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(828): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(836): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(840): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(844): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(848): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(852): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(860): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(864): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(868): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(874): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(878): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(896): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(903): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(907): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(911): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(917): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(921): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(931): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(935): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(939): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(944): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(948): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(955): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(959): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(963): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(967): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(971): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(979): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(983): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(987): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(993): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(997): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1014): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1015): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1021): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1025): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1032): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1036): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1052): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1053): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1060): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1064): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1073): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1077): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1099): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1100): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1101): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1102): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1124): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1125): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1126): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1127): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1164): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1165): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1166): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1167): warning C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data
1>d:\cfd\navierstokes_anderson\main.cpp(1188): warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
1>
1>Build FAILED.
1>
1>Time Elapsed 00:00:00.16
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
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Old   February 11, 2015, 09:47
Default Matlab code
  #18
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Hi,

I have uploaded a Matlab code that solves the original problem in Anderson's book. It can be downloaded from MathWorks here: http://www.mathworks.com/matlabcentr...r-a-flat-plate

Hope this helps!!
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Old   May 11, 2018, 07:31
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Quote:
Originally Posted by archeoptyrx View Post
IT worked Mr.Balaji . How do i obtain the plots ? . Do i need to use any other software to plot ? .

Thanks in advance
i am new at the programming can u provide me the complete code with final correction.its very urgent.
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