surface integral
Noun
Meaning
surface integral (plural surface integrals)
(mathematics) An integral over a 2-dimensional domain
Examples
As will be made clear, the easiest way to relate the two concepts is that the surface integral of a flux according to the first definition is a flux according to the second definition.
The value of the surface integral is the sum of the field at all points on the surface.
Calculation of diffraction images To calculate the full diffraction image that is visible on the screen one has to consider the surface integral of the previous section.
For a steady flow, the volume integral can be replaced by the net surface integral of the flux of momentum through the boundary.
For example, the number of field lines through a given surface is the surface integral of the magnetic field.
For vector flux, the surface integral of j over a surface S, gives the proper flowing per unit of time through the surface.