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July 21, 2011, 05:58 |
strain rate magnitude
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#1 |
Member
Rakesh
Join Date: May 2011
Posts: 33
Rep Power: 14 |
Dear All!
what is the correct definition for finding strain rate magnitude? in Fluent. in Flunent ,STRAIN-RATE-MAG(c,t) is defined as: strain_rate_mag(c,t) = sqrt[[C_DUDX(c,t)*(C_DUDX(c,t)+C_DUDX(c,t))+C_DUDY(c,t)* (C_DUDY(c,t)+C_DVDX(c,t))+C_DUDZ(c,t)*(C_DUDZ(c,t) +C_DWDX(c,t))]+ [C_DVDX(c,t)*(C_DVDX(c,t)+C_DUDY(c,t))+C_DVDY(c,t)* (C_DVDY(c,t)+C_DVDY(c,t))+C_DVDZ(c,t)*(C_DVDZ(c,t) +C_DWDY(c,t))]+ [C_DWDX(c,t)*(C_DWDX(c,t)+C_DUDZ(c,t))+C_DWDY(c,t)* (C_DWDY(c,t)+C_DVDZ(c,t))+C_DWDZ(c,t)*(C_DWDZ(c,t) +C_DWDZ(c,t))]]; is the above definition correct .please elaborate on this? Thanks , Rakesh |
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