83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2021 Bernd Hahnebach <bernd@bimstatik.org> *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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__title__ = "FreeCAD FEM calculix constraint tie"
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__author__ = "Bernd Hahnebach"
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__url__ = "https://www.freecad.org"
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def get_analysis_types():
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return "all" # write for all analysis types
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def get_sets_name():
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return "constraints_tie_surface_sets"
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def get_constraint_title():
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return "Tie Constraints"
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def get_before_write_meshdata_constraint():
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return ""
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def get_after_write_meshdata_constraint():
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return ""
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def get_before_write_constraint():
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return ""
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def get_after_write_constraint():
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return ""
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def write_meshdata_constraint(f, femobj, tie_obj, ccxwriter):
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# slave DEP
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f.write("*SURFACE, NAME=TIE_DEP{}\n".format(tie_obj.Name))
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for i in femobj["TieSlaveFaces"]:
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f.write("{},S{}\n".format(i[0], i[1]))
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# master IND
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f.write("*SURFACE, NAME=TIE_IND{}\n".format(tie_obj.Name))
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for i in femobj["TieMasterFaces"]:
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f.write("{},S{}\n".format(i[0], i[1]))
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def write_constraint(f, femobj, tie_obj, ccxwriter):
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# floats read from ccx should use {:.13G}, see comment in writer module
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tolerance = tie_obj.Tolerance.getValueAs("mm").Value
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adjust = ""
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if not tie_obj.Adjust:
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adjust = ", ADJUST=NO"
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f.write(
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"*TIE, POSITION TOLERANCE={:.13G}{}, NAME=TIE{}\n"
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.format(tolerance, adjust, tie_obj.Name)
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)
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ind_surf = "TIE_IND{}".format(tie_obj.Name)
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dep_surf = "TIE_DEP{}".format(tie_obj.Name)
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f.write("{}, {}\n".format(dep_surf, ind_surf))
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