$meshfilename
出自 DDCC TCAD TOOL Manual
Format:
$meshfilename mesh file name number
Example1:
$meshfilename UVLED-gradual.msh 3
Example2:
$meshfilename home\davidchen\David\3D\0727\UVLED-gradual.msh 3
This function help strain solver to read correct mesh.
You can discard the path if the mesh file is in the same directory as your job (input file).
The number "3" means the "GMSH mesh format". It shouldn't be changed since we use GMSH for most of case.