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November 29, 2001, 08:00 |
user fortran gradv and xy nodal shear stress
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#1 |
Guest
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Hi, All,
anyone can tell me what is the physical expression of xy nodal shear stress, something like tauxy=-viscosity*(du/dy+dv/dx)? Is there anyone who tried to use user fortran gradv of cfx software. I have got some strange results from this subroutine, especially using cylindrical coordinate. The following is one part of usrtrn: .... ipa=1 call setwrk('usrtrn', 'work ','ugrad ',3*ncell, jugrad) call setwrk('usrtrn', 'work ','vgrad ',3*ncell, jvgrad) call setwrk('usrtrn', 'work ','wgrad ',3*ncell, jwgrad) do 400 i=1, ilen do 400 j=1, jlen do 400 k=k,klen inode=ip(i,j,k) call gradv('usrtrn',ipa, u(inode,ipa), v(inode,ipa),w(inode,ipa), work(ugrad),work(vgrad),work(wgrad)......) .... call delwrk('usrtrn', ...) |
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November 29, 2001, 09:04 |
Re: user fortran gradv and xy nodal shear stress
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#2 |
Guest
Posts: n/a
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There's another discussion group on cfd-online that is especially for cfx users. They'll likely have an answer for you.
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