释义 |
Divergence TheoremA.k.a. Gauss's Theorem. Let be a region in space with boundary . Then
 | (1) |
Let be a region in the plane with boundary .
 | (2) |
If the Vector Field satisfies certain constraints, simplified forms can be used. If where is a constant vector , then
 | (3) |
But
 | (4) |
so
 | (5) |
 | (6) |
But , and must vary with so that cannotalways equal zero. Therefore,
 | (7) |
If , where is a constant vector , then
 | (8) |
See also Curl Theorem, Gradient, Green's Theorem References
Arfken, G. ``Gauss's Theorem.'' §1.11 in Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, pp. 57-61, 1985. |