begin_boundary_elements{

List of members:
include{ definition of a geometry file to be read by MESHFREE
include{ include{
BND_cube create an independent rectangular cuboid (box)
BND_cylinder create a cylinder
BND_line create an independent line
BND_node create an independent node for use in other boundary entity definitions
BND_plane
BND_point create an independent point
BND_quad create an independent quadrilateral
BND_tria create an independent triangle
BND_tria6N create an independent 6-node triangle
include_CCC_curves{ define the geometry file containing cutting curves for clustering
manipulate{ manipulate (move, rotate, ...) the geometry belonging to an alias-group
delete{ delete all the geometry belonging to a given alias-group
BNDpoints_ExtractFromNodes{ create BND_points from existing geometry nodes