Equation Icon  integral 1 V~ ---( ) dS1 = ------ |h| xab - xhab dhabd3x - S2 integral 16pG --1-- V~ ---( ab ab) 3 - 16pG |h| x - xh dhabd x - integral S1 V~ --( ) - --1--- |g| Qab- Qgab dgabd3x - 3B 16pG 1 gf - 1 V~ --- 2 1 gf -1 V~ --- 2 - ----- tanh j2d |q|d x + ----- tanh j1d |q|d x. (66) 8pG S2 8pG S1