convergence of segregated solver
dear all,
in my application, i have a coupled system of PDEs, the coupling is due to shear stress in equation of each PDE to simplify solution i use common segregated approach, i.e., moving shear stresses to right hand side and solve decoupled PDEs (by an interative method, in my case CG) and after (approximate) solution updating rhs ... it works well but, i look for the convergence theory of this method, can anyone guide me to a relevant reference? thanks 
Re: convergence of segregated solver
CG works only for symmetric systems, right?

Re: convergence of segregated solver
yes.
in my problem (linear elasticity by FVM) system is SPD and i use decoupled solver just to reduce memory/cost 
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