When using PSOR (point successive over relaxation) method, we all know that relaxation parameter [say(w)] should be in between 0 and 2. And the optimum value of relaxation parameter (w) is derived from the equation
and 'a'=f(ratio of deltax,deltay; and number of grid points).
My question is what is the significance of this equation in finding out the relaxation parameter (w). I mean to say........what this equation actually doing by taking the parameters of grid.
Any help in this regard is highly appreciated.
Thanks in advance.
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