# *************************************************************************** # * Copyright (c) 2021 Bernd Hahnebach * # * * # * 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")