A finite element procedure for multiscale wave equations with application to plasma waves
A finite element wave-packet procedure is presented to solve problems of wave propagation in multi-scale behavior. The proposed scheme combines the advantages of the finite element and spectral methods. The basic formulation is presented, and the capabilities of the procedure are demonstrated through the solution of some illustrative problems, including a problem that characterizes the mode-conversion behavior in plasmas.
finite elements waves plasma multi-scale spectral method radio frequencies