SSt komega in gammaRetetha transition model
I have a question about kinetic energy production term in SST komega turbulence model that uses in gammaRetetha transition model. in the Langtry's Thesis production term of K introduces:
P'k=Mt*S^2 S: absolute strain rate; Pk=min(P'k,10Dk) but in menter's (1994) paper that SST komega and in main paper of the transition model refer to this paper (TwoEquation EddyViscosity Turbulence Models for Engineering Applications) this term was introduces as: p'k=mt*tij*dui/dxj tij: shear stress ; Pk=min(P'k,10Dk) now my question exactly is which one of these two P'k is correct? thanks in advance 
it looks that both are same!!!!

Dear Far
I suspect both of them are same. if you descritize Tij*dui/dxj you can see it Tij dui/dxj= (du/dy+dv/dx)^2+2*((du/dx)^2+(dv/dy)^2) S^2= ((du/dy+dv/dx)^2+(du/dx)^2+(dv/dy)^2) Am I correct? 
Let me check it again from my old notes

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