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Electromagnetic potential equations and boundary conditions

2 Electromagnetic potential equations and boundary conditions Another approach to the formulation of electromagnetic boundary-value problem is to use the electromagnetic potentials introduced in Chapter 8. This approach has been used in a number of publications on numerical electromagnetic methods (Biro and Preis, 1990 Everett and Schultz, 1996 Everett, 1999 Haber et aJ., 1999). [Pg.365]

In the framework of this approach we solve the corresponding second order partial differential equations (8.42) and (8.39) for electromagnetic potentials, A and U  [Pg.365]

The electromagnetic field is expressed in terms of these potentials by  [Pg.365]

The advantage of this approach is in the simplicity of both the potential equations and the boundary-value conditions. Biro and Preis (1990) demonstrated that the Coulomb gauge can be enforced by the following boundary-value condition on the surface dV of the modeling region  [Pg.365]

Due to the Coulomb gauge, the volume integral on the left-hand side of (12.21) is equal to zero. The boundary condition (12.20) provides the same result as well. [Pg.366]




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