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Function File: [F] = bim3c_global_flux (mesh, u, alpha, v)

Compute the flux associated with the Scharfetter-Gummel approximation of the scalar field u.

The vector field is defined as:

F =- alpha ( grad (u) - grad (v) u )

where v is a piecewise linear continuous scalar functions and alpha is a piecewise constant scalar function.

See also: bim3a_rhs, bim3a_reaction, bim3a_laplacian, bim3c_mesh_properties.

Package: bim