File size: 4,337 Bytes
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# * Copyright (c) 2021 Bernd Hahnebach <bernd@bimstatik.org> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
__title__ = "FreeCAD FEM calculix constraint fixed"
__author__ = "Bernd Hahnebach"
__url__ = "https://www.freecad.org"
def get_analysis_types():
return "all" # write for all analysis types
def get_sets_name():
return "constraints_fixed_node_sets"
def get_constraint_title():
return "Fixed Constraints"
def get_before_write_meshdata_constraint():
return ""
def get_after_write_meshdata_constraint():
return ""
def get_before_write_constraint():
return ""
def get_after_write_constraint():
return ""
def write_meshdata_constraint(f, femobj, fix_obj, ccxwriter):
if ccxwriter.femmesh.Volumes and (
len(ccxwriter.member.geos_shellthickness) > 0 or len(ccxwriter.member.geos_beamsection) > 0
):
if len(femobj["NodesSolid"]) > 0:
f.write(f"*NSET,NSET={fix_obj.Name}Solid\n")
for n in femobj["NodesSolid"]:
f.write(f"{n},\n")
if len(femobj["NodesFaceEdge"]) > 0:
f.write(f"*NSET,NSET={fix_obj.Name}FaceEdge\n")
for n in femobj["NodesFaceEdge"]:
f.write(f"{n},\n")
else:
f.write("*NSET,NSET=" + fix_obj.Name + "\n")
for n in femobj["Nodes"]:
f.write(f"{n},\n")
def write_constraint(f, femobj, fix_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
if ccxwriter.femmesh.Volumes and (
len(ccxwriter.member.geos_shellthickness) > 0 or len(ccxwriter.member.geos_beamsection) > 0
):
if len(femobj["NodesSolid"]) > 0:
f.write("*BOUNDARY\n")
f.write(fix_obj.Name + "Solid" + ",1\n")
f.write(fix_obj.Name + "Solid" + ",2\n")
f.write(fix_obj.Name + "Solid" + ",3\n")
f.write("\n")
if len(femobj["NodesFaceEdge"]) > 0:
f.write("*BOUNDARY\n")
f.write(fix_obj.Name + "FaceEdge" + ",1\n")
f.write(fix_obj.Name + "FaceEdge" + ",2\n")
f.write(fix_obj.Name + "FaceEdge" + ",3\n")
f.write(fix_obj.Name + "FaceEdge" + ",4\n")
f.write(fix_obj.Name + "FaceEdge" + ",5\n")
f.write(fix_obj.Name + "FaceEdge" + ",6\n")
f.write("\n")
else:
f.write("*BOUNDARY\n")
f.write(fix_obj.Name + ",1\n")
f.write(fix_obj.Name + ",2\n")
f.write(fix_obj.Name + ",3\n")
if ccxwriter.member.geos_beamsection or ccxwriter.member.geos_shellthickness:
f.write(fix_obj.Name + ",4\n")
f.write(fix_obj.Name + ",5\n")
f.write(fix_obj.Name + ",6\n")
f.write("\n")
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