Model.interactivemeshsurf#
- Model.interactivemeshsurf(collection, elementsize, elem_type, elem_type2, forcing, size_control, skew_control)#
Brings a surface into the automeshing module and prepares it for processing, enabling the use of all the restricted module functions. The
Model.ameshclearsurface()function should always be used at the end of the sequence of meshing functions in order to free the memory.- Parameters:
collection (Collection) – The collection containing the surface entities to be meshed.
elementsize (double) – The default element edge size used to calculate element densities along the edges (where necessary).
elem_type (int) –
Flag indicating the elements generated for mapped meshing algorithms. Valid values are:
0 - trias
1 - quads
2 - mixed
3 - right trias
4 - quads only
elem_type2 (int) –
Flag indicating the elements generated for free meshing algorithms. Valid values are:
0 - trias
1 - quads
2 - mixed
3 - right trias
4 - quads only
forcing (int) – If nonzero, any saved surface parameters generated previously with the automesher are ignored.
size_control (int) –
Determines if uniform size elements in mapping algorithms should be created. Valid values are:
0 - No
1 - Yes
skew_control (int) –
Determines if optimal shape elements in mapping algorithms should be created. Valid values are:
0 - No
1 - Yes
Example#
Automesh a surface with four faces and ten edges. To generate a mesh for each face, the automeshing module sets up values for element densities and bias with theModel.set_meshedgeparams()function. Automeshing parameters for each face are specified with theModel.set_meshfaceparams()function. Each face is sent to theModel.automesh()function so it can determine the appropriate meshing algorithm and create an all - quads mesh. Then HyperMesh is used to smooth the meshes for ten iterations each. Next, the mesh for face two is rejected and a new mesh is created with slightly different element densities . The four meshes are saved to the HyperMesh database . TheModel.ameshclearsurface()function clears from the memory any information regard the current surface so that a new surface can be processed.#import hm import hm.entities as ent model = hm.Model() model.surfacemode(mode=1) # Create a collection of one surface with ID 1 and prepare it for automeshing input_surface = hm.Collection(model, ent.Surface, [1]) model.interactivemeshsurf( collection=input_surface, elementsize=1.0, elem_type=1, elem_type2=1, forcing=1, size_control=0, skew_control=0, ) # Automeshing for face 0 model.set_meshedgeparams( edge_index=0, elem_density=2, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=1, elem_density=6, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=2, elem_density=5, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=5, elem_density=3, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshfaceparams( face_index=0, shape_type=1, elem_type=1, alg_type=0, elem_size=0, smooth_method=0, smooth_tol=0.1, size_control=0, skew_control=0, ) model.automesh(face_index=0, algorithm=1, elem_type=1) # Automeshing for face 1 model.set_meshedgeparams( edge_index=2, elem_density=5, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=11, elem_density=3, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=3, elem_density=4, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=4, elem_density=4, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshfaceparams( face_index=1, shape_type=1, elem_type=1, alg_type=0, elem_size=0, smooth_method=0, smooth_tol=0.1, size_control=0, skew_control=0, ) model.automesh(face_index=1, algorithm=1, elem_type=1) # Automeshing for face 2 model.set_meshedgeparams( edge_index=8, elem_density=6, alg_type=0, bias_style=0, bias=-2.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=5, elem_density=3, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=6, elem_density=5, alg_type=0, bias_style=0, bias=2.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=7, elem_density=8, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshfaceparams( face_index=2, shape_type=1, elem_type=1, alg_type=0, elem_size=0, smooth_method=0, smooth_tol=0.1, size_control=0, skew_control=0, ) model.automesh(face_index=2, algorithm=1, elem_type=1) # Automeshing for face 3 model.set_meshedgeparams( edge_index=8, elem_density=6, alg_type=0, bias_style=0, bias=-2.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=9, elem_density=2, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=10, elem_density=7, alg_type=0, bias_style=0, bias=2.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=11, elem_density=3, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshfaceparams( face_index=3, shape_type=1, elem_type=1, alg_type=0, elem_size=0, smooth_method=0, smooth_tol=0.1, size_control=0, skew_control=0, ) model.automesh(face_index=3, algorithm=1, elem_type=1) # Smoothing model.smoothelements(faceindex=0, smoothmethod=1, iterations=10) model.smoothelements(faceindex=1, smoothmethod=1, iterations=10) model.smoothelements(faceindex=2, smoothmethod=1, iterations=10) model.smoothelements(faceindex=3, smoothmethod=1, iterations=10) # Changing mesh of face 2 model.rejectmesh(faceindex=2) model.set_meshedgeparams( edge_index=8, elem_density=6, alg_type=0, bias_style=0, bias=-2.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=5, elem_density=3, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=6, elem_density=5, alg_type=0, bias_style=0, bias=2.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshedgeparams( edge_index=7, elem_density=8, alg_type=0, bias_style=0, bias=0.0, min_size=0.0, max_size=0.0, chordal_dev=0.0, max_angle=0.0, ) model.set_meshfaceparams( face_index=2, shape_type=1, elem_type=1, alg_type=0, elem_size=0, smooth_method=0, smooth_tol=0.1, size_control=0, skew_control=0, ) model.automesh(face_index=2, algorithm=1, elem_type=1) model.storemeshtodatabase(elemstosurfcomp=0) # Clearing memory model.ameshclearsurface()