diff options
Diffstat (limited to 'twisted_coil_gen_twolayer.py')
| -rw-r--r-- | twisted_coil_gen_twolayer.py | 83 |
1 files changed, 66 insertions, 17 deletions
diff --git a/twisted_coil_gen_twolayer.py b/twisted_coil_gen_twolayer.py index 24e23b3..101042c 100644 --- a/twisted_coil_gen_twolayer.py +++ b/twisted_coil_gen_twolayer.py @@ -7,6 +7,7 @@ import os from math import * from pathlib import Path from itertools import cycle +from contextlib import contextmanager from scipy.constants import mu_0 import numpy as np @@ -223,8 +224,35 @@ def traces_to_gmsh_mag(traces, mesh_out, bbox, model_name='gerbonara_board', log #print('bbox', [occ.getBoundingBox(2, tag) for tag in last_disk[1]]) first_geom = traces[0][0] - interface_tag_top = occ.addDisk(first_geom.start.x, first_geom.start.y, 0, first_geom.width/2, first_geom.width/2) - interface_tag_bottom = occ.addDisk(first_geom.start.x, first_geom.start.y, -board_thickness, first_geom.width/2, first_geom.width/2) + #contact_tag_top = occ.addCylinder(first_geom.start.x, first_geom.start.y, copper_thickness, 0, 0, copper_thickness, first_geom.width/2) + #contact_tag_bottom = occ.addCylinder(first_geom.start.x, first_geom.start.y, -board_thickness-copper_thickness, 0, 0, -copper_thickness, first_geom.width/2) + + @contextmanager + def model_delta(): + occ.synchronize() + entities = {i: set() for i in range(4)} + for dim, tag in gmsh.model.getEntities(): + entities[dim].add(tag) + + yield + + occ.synchronize() + new_entities = {i: set() for i in range(4)} + for dim, tag in gmsh.model.getEntities(): + new_entities[dim].add(tag) + + for i, dimtype in enumerate(['points', 'lines', 'surfaces', 'volumes']): + delta = entities[i] - new_entities[i] + print(f'Removed {dimtype} [{len(delta)}]: {", ".join(map(str, delta))[:180]}') + + delta = new_entities[i] - entities[i] + print(f'New {dimtype} [{len(delta)}]: {", ".join(map(str, delta))[:180]}') + + with model_delta(): + print('Fragmenting disks') + interface_tag_top = occ.addDisk(first_geom.start.x, first_geom.start.y, 0, first_geom.width/2, first_geom.width/2) + interface_tag_bottom = occ.addDisk(first_geom.start.x, first_geom.start.y, -board_thickness, first_geom.width/2, first_geom.width/2) + occ.fragment([(3, toplevel_tag)], [(2, interface_tag_top), (2, interface_tag_bottom)], removeObject=True, removeTool=True) #occ.synchronize() #_, toplevel_adjacent = gmsh.model.getAdjacencies(3, toplevel_tag) @@ -247,16 +275,32 @@ def traces_to_gmsh_mag(traces, mesh_out, bbox, model_name='gerbonara_board', log ab_h = board_thickness + 2*air_box_margin_v airbox = occ.addBox(x1, y1, z0, w, d, ab_h) - print('Fragmenting trace') - print(occ.fragment([(3, toplevel_tag)], [(2, interface_tag_top), (2, interface_tag_bottom)], removeObject=True, removeTool=False)) + occ.synchronize() + + #trace_surface = gmsh.model.getBoundary([(3, toplevel_tag)], oriented=False) + #print('Fragmenting trace surface') + #with model_delta(): + # print(occ.fragment(trace_surface, [(2, interface_tag_top), (2, interface_tag_bottom)], removeObject=True, removeTool=False)) - print('Fragmenting substrate') - print(occ.cut([(3, substrate)], [(3, toplevel_tag)], removeObject=True, removeTool=False)) - print(occ.fragment([(3, substrate)], [(3, toplevel_tag), (2, interface_tag_top), (2, interface_tag_bottom)], removeObject=True, removeTool=False)) + #print('Fragmenting trace') + #with model_delta(): + # print(occ.fragment([(3, toplevel_tag)], [(3, contact_tag_top), (3, contact_tag_bottom)], removeObject=True, removeTool=False)) - print(f'Fragmenting airbox ({airbox}) with {toplevel_tag=} {substrate=} {interface_tag_top=} {interface_tag_bottom=}') - print(occ.cut([(3, airbox)], [(3, toplevel_tag)], removeObject=True, removeTool=False)) - print(occ.fragment([(3, airbox)], [(3, toplevel_tag), (3, substrate), (2, interface_tag_top), (2, interface_tag_bottom)], removeObject=True, removeTool=False)) + print('cut') + with model_delta(): + print(occ.cut([(3, substrate)], [(3, toplevel_tag)], removeObject=True, removeTool=False)) + + #print('Fragmenting substrate') + #with model_delta(): + # print(occ.fragment([(3, substrate)], [(3, toplevel_tag), (3, contact_tag_top), (3, contact_tag_bottom)], removeObject=True, removeTool=False)) + + print('cut') + with model_delta(): + print(occ.cut([(3, airbox)], [(3, toplevel_tag), (3, substrate)], removeObject=True, removeTool=False)) + + print(f'Fragmenting airbox ({airbox}) with {toplevel_tag=} {substrate=}') + with model_delta(): + print(occ.fragment([(3, airbox)], [(3, toplevel_tag), (3, substrate)], removeObject=True, removeTool=False)) #occ.fragment([(3, substrate)], [(2, interface_tag_top), (2, interface_tag_bottom)]) #occ.fragment([(3, airbox)], [(3, substrate), (3, toplevel_tag)]) @@ -264,17 +308,21 @@ def traces_to_gmsh_mag(traces, mesh_out, bbox, model_name='gerbonara_board', log print('Synchronizing') occ.synchronize() + pcx, pcy = first_geom.start.x, first_geom.start.y + pcr = first_geom.width/2 + (_dim, plane_top), = gmsh.model.getEntitiesInBoundingBox(pcx-pcr-eps, pcy-pcr-eps, -eps, pcx+pcr+eps, pcy+pcr+eps, eps, 2) + (_dim, plane_bottom), = gmsh.model.getEntitiesInBoundingBox(pcx-pcr-eps, pcy-pcr-eps, -board_thickness-eps, pcx+pcr+eps, pcy+pcr+eps, -board_thickness+eps, 2) + substrate_physical = gmsh.model.add_physical_group(3, [substrate], name='substrate') airbox_physical = gmsh.model.add_physical_group(3, [airbox], name='airbox') trace_physical = gmsh.model.add_physical_group(3, [toplevel_tag], name='trace') - interface_top_physical = gmsh.model.add_physical_group(2, [interface_tag_top], name='interface_top') - interface_bottom_physical = gmsh.model.add_physical_group(2, [interface_tag_bottom], name='interface_bottom') - print('first disk', first_disk) - print('bbox', occ.getBoundingBox(2, interface_tag_top)) - print('last disk', last_disk) - print('bbox', occ.getBoundingBox(2, interface_tag_bottom)) - + #interface_tags_top = gmsh.model.getBoundary([(3, contact_tag_top)], oriented=False) + #interface_tags_bottom = gmsh.model.getBoundary([(3, contact_tag_bottom)], oriented=False) + + interface_top_physical = gmsh.model.add_physical_group(2, [plane_top], name='interface_top') + interface_bottom_physical = gmsh.model.add_physical_group(2, [plane_bottom], name='interface_bottom') + airbox_adjacent = set(gmsh.model.getAdjacencies(3, airbox)[1]) in_bbox = {tag for _dim, tag in gmsh.model.getEntitiesInBoundingBox(x1+eps, y1+eps, z0+eps, x2-eps, y2-eps, z0+ab_h-eps, dim=2)} airbox_physical_surface = gmsh.model.add_physical_group(2, list(airbox_adjacent - in_bbox), name='airbox_surface') @@ -291,6 +339,7 @@ def traces_to_gmsh_mag(traces, mesh_out, bbox, model_name='gerbonara_board', log gmsh.option.setNumber('Mesh.MeshSizeMin', 0.08) gmsh.option.setNumber('General.NumThreads', multiprocessing.cpu_count()) + gmsh.write('/tmp/test.msh') print('Meshing') gmsh.model.mesh.generate(dim=3) print('Writing to', str(mesh_out)) |