129d5882a7
* Migrate domain name from freecadweb to freecad * Migrate src/Mod/Material files * Migrate Stylesheet related files * Migrate *.svg files * Migrate miscellaneous files * Migrate some build files * Migrate recently added TD AR_IRAM template files Closes #6415
107 lines
3.8 KiB
Python
107 lines
3.8 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 centrif"
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__author__ = "Bernd Hahnebach"
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__url__ = "https://www.freecad.org"
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import math
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import FreeCAD
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def get_analysis_types():
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return ["buckling", "static", "thermomech"]
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def get_sets_name():
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return "constraints_centrif_element_sets"
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def get_constraint_title():
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return "Centrif 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, centrif_obj, ccxwriter):
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f.write("*ELSET,ELSET={}\n".format(centrif_obj.Name))
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if isinstance(femobj["FEMElements"], str):
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f.write("{}\n".format(femobj["FEMElements"]))
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else:
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for e in femobj["FEMElements"]:
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f.write("{},\n".format(e))
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def write_constraint(f, femobj, centrif_obj, ccxwriter):
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# floats read from ccx should use {:.13G}, see comment in writer module
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# get some data from the centrif_obj
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refobj = centrif_obj.RotationAxis[0][0]
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subobj = centrif_obj.RotationAxis[0][1][0]
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axis = refobj.Shape.getElement(subobj)
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if axis.Curve.TypeId == "Part::GeomLine":
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axiscopy = axis.copy() # apply global placement to copy
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axiscopy.Placement = refobj.getGlobalPlacement()
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direction = axiscopy.Curve.Direction
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location = axiscopy.Curve.Location
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else: # no line found, set default
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# TODO: No test at all in the writer
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# they should all be before in prechecks
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location = FreeCAD.Vector(0., 0., 0.)
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direction = FreeCAD.Vector(0., 0., 1.)
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# write to file
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f.write("*DLOAD\n")
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f.write(
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"{},CENTRIF,{:.13G},{:.13G},{:.13G},{:.13G},{:.13G},{:.13G},{:.13G}\n"
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.format(
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centrif_obj.Name,
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(2. * math.pi * float(centrif_obj.RotationFrequency.getValueAs("1/s"))) ** 2,
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location.x,
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location.y,
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location.z,
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direction.x,
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direction.y,
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direction.z
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)
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)
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f.write("\n")
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