A.1 Limit Part of the c0A-math-001 Operator

As given in (1.52), the integro-differential operator c0A-math-002 is commonly separated into principal-value and limit parts as

A.1 equation

where c0A-math-004 is the solid angle. Specifically, c0A-math-005 when the observation point c0A-math-006 is not located on the source c0A-math-007. If it is located on the source, however, c0A-math-008 is determined by the “shape” of the surface, on which c0A-math-009 is defined. If the surface is planar at c0A-math-010, then and


Derivation of the limit part of the operator is quite straightforward when the source ...

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