Artificially matched layers

These PREP7 commands are used to create artificially matched layers (PMLs or AMLs) designed to absorb high frequency waves.

Mapdl.pmlopt([esys, lab, xminus, xplus, ...])	Defines perfectly matched layers (PMLs) for acoustic and structural
Mapdl.pmlsize([freqb, freqe, dmin, dmax, ...])	Determines number of PML layers.