| # *************************************************************************** | |
| # * 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__ = "Mystran add fixed constraint" | |
| __author__ = "Bernd Hahnebach" | |
| __url__ = "https://www.freecad.org" | |
| ## \addtogroup FEM | |
| # @{ | |
| def add_con_fixed(f, model, mystran_writer): | |
| # generate pyNastran code | |
| # spc1 card | |
| spc_ids = [] | |
| fixed_code = "# spc1 card, Defines a set of single-point constraints\n" | |
| for i, femobj in enumerate(mystran_writer.member.cons_fixed): | |
| conid = i + 2 # 1 will be the conid of the spcadd card | |
| spc_ids.append(conid) | |
| fixed_obj = femobj["Object"] | |
| # print(fixed_obj.Name) | |
| fixed_code += f"# {fixed_obj.Name}\n" | |
| # node set | |
| fixed_code += "nodes_{} = {}\n".format(fixed_obj.Name, femobj["Nodes"]) | |
| # all nodes in one line may be to long ... FIXME | |
| fixed_code += "model.add_spc1(conid={}, components={}, nodes=nodes_{})\n\n".format( | |
| conid, "123456", fixed_obj.Name | |
| ) | |
| # spcadd card | |
| spcadd_code = "# spcadd card, Single-Point Constraint Set Combination from SPC or SPC1 cards\n" | |
| spcadd_code += f"model.add_spcadd(conid=1, sets={spc_ids})\n\n" | |
| pynas_code = f"{fixed_code}\n{spcadd_code}" | |
| # print(pynas_code) | |
| # write the pyNastran code | |
| f.write(pynas_code) | |
| # execute pyNastran code to add data to the model | |
| # print(model.get_bdf_stats()) | |
| exec(pynas_code) | |
| # print(model.get_bdf_stats()) | |
| return model | |
| ## @} | |