Trace points

这些 POST1 命令用于跟踪粒子在流体中的运动。

Mapdl.pltrac([analopt, item, comp, trpnum, ...])	Displays a particle flow or charged particle trace on an element
Mapdl.trpdel([ntrp1, ntrp2, trpinc])	Deletes particle flow or charged particle trace points.
Mapdl.trplis([ntrp1, ntrp2, trpinc, opt])	Lists the particle flow or charged particle trace points.
Mapdl.trpoin([x, y, z, vx, vy, vz, chrg, mass])	Defines a point through which a particle flow or charged particle trace