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# * Copyright (c) 2019 Bernd Hahnebach <bernd@bimstatik.org> *
# * Copyright (c) 2020 Sudhanshu Dubey <sudhanshu.thethunder@gmail.com *
# * *
# * 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 *
# * *
# ***************************************************************************
import ObjectsFem
from . import manager
from .boxanalysis_base import setup_boxanalysisbase
from .manager import init_doc
def get_information():
return {
"name": "Box Analysis Frequency",
"meshtype": "solid",
"meshelement": "Tet10",
"constraints": [],
"solvers": ["ccxtools"],
"material": "solid",
"equations": ["frequency"],
}
def get_explanation(header=""):
return (
header
+ """
To run the example from Python console use:
from femexamples.boxanalysis_frequency import setup
setup()
See forum topic post:
...
"""
)
def setup(doc=None, solvertype="ccxtools"):
# init FreeCAD document
if doc is None:
doc = init_doc()
# explanation object
# just keep the following line and change text string in get_explanation method
manager.add_explanation_obj(doc, get_explanation(manager.get_header(get_information())))
# setup box frequency, change solver attributes
doc = setup_boxanalysisbase(doc, solvertype)
analysis = doc.Analysis
# solver
if solvertype == "ccxtools":
solver_obj = ObjectsFem.makeSolverCalculiXCcxTools(doc, "CalculiXCcxTools")
solver_obj.WorkingDir = ""
if solvertype == "ccxtools":
solver_obj.AnalysisType = "frequency"
solver_obj.GeometricalNonlinearity = "linear"
solver_obj.ThermoMechSteadyState = False
solver_obj.MatrixSolverType = "default"
solver_obj.IterationsControlParameterTimeUse = False
solver_obj.EigenmodesCount = 10
solver_obj.EigenmodeHighLimit = 1000000.0
solver_obj.EigenmodeLowLimit = 0.01
analysis.addObject(solver_obj)
doc.recompute()
return doc
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