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beso_fc_gui.py
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# simple GUI to be used as FreeCAD macro
# all beso python files should be in the macro directory
__title__ = "BESO Topology Optimization"
__author__ = "František Löffelmann"
__date__ = "21/07/2021"
__Wiki__ = "https://github.com/fandaL/beso/wiki/Example-4:-GUI-in-FreeCAD"
__Status__ = "experimental"
__Requires__ = "FreeCAD >=0.18, Python 3"
import datetime
import os
import threading
import webbrowser
from PySide.QtGui import (QDialog, QWidget, QLabel, QFileDialog, QPushButton, QLineEdit, QComboBox, QCheckBox,
QListWidget, QSlider, QAbstractItemView, QFont)
# from PySide.QtCore import pyqtSlot, Qt
from PySide.QtCore import Qt
import FreeCADGui
from femtools import ccxtools
class beso_gui(QDialog):
def __init__(self):
super().__init__()
self.title = 'BESO Topology Optimization (experimental)'
self.left = 250
self.top = 30
self.width = 550
self.height = 730
beso_gui.inp_file = ""
beso_gui.beso_dir = os.path.dirname(__file__)
if beso_gui.beso_dir not in sys.path:
sys.path.append(beso_gui.beso_dir)
self.initUI()
# def closeEvent(self, event):
# self.close()
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
# Select analysis file button
button = QPushButton('Select analysis file', self)
button.setFont(QFont('Arial', 8))
button.setToolTip('*.inp CalculiX analysis file.')
button.move(10, 10)
button.clicked.connect(self.on_click)
# Text box - file path and name
self.textbox_file_name = QLineEdit(self)
self.textbox_file_name.move(120, 15)
self.textbox_file_name.resize(420, 20)
self.textbox_file_name.setText("None analysis file selected")
self.textbox_file_name.setFont(QFont('Arial', 8))
self.textbox_file_name.setToolTip('Analysis file.')
# Update button
button1 = QPushButton('Update domains', self)
button1.setFont(QFont('Arial', 8))
button1.setToolTip('Update naming inputs and material data from FreeCAD.')
button1.move(10, 50)
button1.clicked.connect(self.on_click1)
# Domains definition
# Label above domains definition
label21 = QLabel('Domain 0', self)
label21.setFont(QFont('Arial', 10))
label21.setStyleSheet("font-weight: bold")
label21.move(120, 50)
label22 = QLabel('Domain 1', self)
label22.setFont(QFont('Arial', 10))
label22.setStyleSheet("font-weight: bold")
label22.move(260, 50)
label23 = QLabel('Domain 2', self)
label23.setFont(QFont('Arial', 10))
label23.setStyleSheet("font-weight: bold")
label23.move(400, 50)
label24 = QLabel('Material object', self)
label24.setFont(QFont('Arial', 8))
label24.move(20, 80)
label25 = QLabel('Thickness object', self)
label25.setFont(QFont('Arial', 8))
label25.move(20, 110)
label26 = QLabel('As design domain', self)
label26.setFont(QFont('Arial', 8))
label26.move(20, 140)
label27 = QLabel('Stress limit [MPa]', self)
label27.setFont(QFont('Arial', 8))
label27.move(20, 170)
# Combo box - select domain by material object
self.combo = QComboBox(self)
self.combo.setFont(QFont('Arial', 8))
self.combo.setToolTip('Material object to define the domain.')
self.combo.move(120, 80)
self.combo.resize(140, 30)
self.combo.currentIndexChanged.connect(self.on_change)
self.combo1 = QComboBox(self)
self.combo1.setFont(QFont('Arial', 8))
self.combo1.setToolTip('Material object to define the domain.')
self.combo1.move(260, 80)
self.combo1.resize(140, 30)
self.combo1.currentIndexChanged.connect(self.on_change1)
self.combo2 = QComboBox(self)
self.combo2.setFont(QFont('Arial', 8))
self.combo2.setToolTip('Material object to define the domain.')
self.combo2.move(400, 80)
self.combo2.resize(140, 30)
self.combo2.currentIndexChanged.connect(self.on_change2)
# Combo box - select thickness object
self.combo0t = QComboBox(self)
self.combo0t.setFont(QFont('Arial', 8))
self.combo0t.setToolTip('Thickness object to specify if domain is for shells.')
self.combo0t.move(120, 110)
self.combo0t.resize(140, 30)
self.combo1t = QComboBox(self)
self.combo1t.setFont(QFont('Arial', 8))
self.combo1t.setToolTip('Thickness object to specify if domain is for shells.')
self.combo1t.move(260, 110)
self.combo1t.resize(140, 30)
self.combo2t = QComboBox(self)
self.combo2t.setFont(QFont('Arial', 8))
self.combo2t.setToolTip('Thickness object to specify if domain is for shells.')
self.combo2t.move(400, 110)
self.combo2t.resize(140, 30)
self.textbox3 = QLineEdit(self)
self.textbox3.setFont(QFont('Arial', 8))
self.textbox3.move(120, 170)
self.textbox3.resize(40, 20)
# self.textbox3.setText("")
self.textbox3.setToolTip('Thickness [mm] of shell elements in the domain.\n'
'This value overwrites thickness defined in FreeCAD')
self.textbox4 = QLineEdit(self)
self.textbox4.setFont(QFont('Arial', 8))
self.textbox4.move(260, 170)
self.textbox4.resize(40, 20)
# self.textbox4.setText("")
self.textbox4.setToolTip('Thickness [mm] of shell elements in the domain.\n'
'This value overwrites thickness defined in FreeCAD')
self.textbox5 = QLineEdit(self)
self.textbox5.setFont(QFont('Arial', 8))
self.textbox5.move(400, 170)
self.textbox5.resize(40, 20)
# self.textbox5.setText("")
self.textbox5.setToolTip('Thickness [mm] of shell elements in the domain.\n'
'This value overwrites thickness defined in FreeCAD')
# Check box - design or nondesign
self.checkbox = QCheckBox('', self)
self.checkbox.setChecked(True)
self.checkbox.setToolTip('Check to be the design domain.')
self.checkbox.move(120, 140)
self.checkbox1 = QCheckBox('', self)
self.checkbox1.setChecked(True)
self.checkbox1.setToolTip('Check to be the design domain.')
self.checkbox1.move(260, 140)
self.checkbox2 = QCheckBox('', self)
self.checkbox2.setChecked(True)
self.checkbox2.setToolTip('Check to be the design domain.')
self.checkbox2.move(400, 140)
# Text box - stress limit
self.textbox = QLineEdit(self)
self.textbox.setFont(QFont('Arial', 8))
self.textbox.move(120, 170)
self.textbox.resize(40, 20)
# self.textbox.setText("")
self.textbox.setToolTip('Von Mises stress [MPa] limit, when reached, material removing will stop.')
self.textbox1 = QLineEdit(self)
self.textbox1.setFont(QFont('Arial', 8))
self.textbox1.move(260, 170)
self.textbox1.resize(40, 20)
# self.textbox1.setText("")
self.textbox1.setToolTip('Von Mises stress [MPa] limit, when reached, material removing will stop.')
self.textbox2 = QLineEdit(self)
self.textbox2.setFont(QFont('Arial', 8))
self.textbox2.move(400, 170)
self.textbox2.resize(40, 20)
# self.textbox2.setText("")
self.textbox2.setToolTip('Von Mises stress [MPa] limit, when reached, material removing will stop.')
# Filters
# Label above filter definition
label31 = QLabel('Filter 0', self)
label31.setFont(QFont('Arial', 10))
label31.setStyleSheet("font-weight: bold")
label31.move(120, 220)
label32 = QLabel('Filter 1', self)
label32.setFont(QFont('Arial', 10))
label32.setStyleSheet("font-weight: bold")
label32.move(260, 220)
label33 = QLabel('Filter 2', self)
label33.setFont(QFont('Arial', 10))
label33.setStyleSheet("font-weight: bold")
label33.move(400, 220)
label34 = QLabel('Type', self)
label34.setFont(QFont('Arial', 8))
label34.move(20, 240)
label35 = QLabel('Range [mm]', self)
label35.setFont(QFont('Arial', 8))
label35.move(20, 270)
label36 = QLabel('Direction vector', self)
label36.setFont(QFont('Arial', 8))
label36.move(20, 300)
label37 = QLabel('Apply to', self)
label37.setFont(QFont('Arial', 8))
label37.move(20, 330)
# Combo box - select filter type
self.combo6 = QComboBox(self)
self.combo6.setFont(QFont('Arial', 8))
self.combo6.setToolTip('Filters:\n'
'"simple" to suppress checkerboard effect,\n'
'"casting" to prescribe casting direction (opposite to milling direction)\n'
'Recommendation: for casting use as first "casting" and as second "simple"')
self.combo6.addItem("None")
self.combo6.addItem("simple")
self.combo6.addItem("casting")
self.combo6.setCurrentIndex(1)
self.combo6.move(120, 240)
self.combo6.currentIndexChanged.connect(self.on_change6)
self.combo7 = QComboBox(self)
self.combo7.setFont(QFont('Arial', 8))
self.combo7.setToolTip('Filters:\n'
'"simple" to suppress checkerboard effect,\n'
'"casting" to prescribe casting direction (opposite to milling direction)\n'
'Recommendation: for casting use as first "casting" and as second "simple"')
self.combo7.addItem("None")
self.combo7.addItem("simple")
self.combo7.addItem("casting")
self.combo7.move(260, 240)
self.combo7.currentIndexChanged.connect(self.on_change7)
self.combo8 = QComboBox(self)
self.combo8.setFont(QFont('Arial', 8))
self.combo8.setToolTip('Filters:\n'
'"simple" to suppress checkerboard effect,\n'
'"casting" to prescribe casting direction (opposite to milling direction)\n'
'Recommendation: for casting use as first "casting" and as second "simple"')
self.combo8.addItem("None")
self.combo8.addItem("simple")
self.combo8.addItem("casting")
self.combo8.move(400, 240)
self.combo8.currentIndexChanged.connect(self.on_change8)
# Combo box - select filter range
self.combo6r = QComboBox(self)
self.combo6r.setFont(QFont('Arial', 8))
self.combo6r.setToolTip('auto - automatically calculates element size and uses two times for the filter range'
'\n')
self.combo6r.addItem("auto")
self.combo6r.addItem("manual")
self.combo6r.move(120, 270)
self.combo6r.currentIndexChanged.connect(self.on_change6r)
self.combo7r = QComboBox(self)
self.combo7r.setFont(QFont('Arial', 8))
self.combo7r.setEnabled(False)
self.combo7r.setToolTip('auto - automatically calculates element size and uses two times for the filter range'
'\n')
self.combo7r.addItem("auto")
self.combo7r.addItem("manual")
self.combo7r.move(260, 270)
self.combo7r.currentIndexChanged.connect(self.on_change7r)
self.combo8r = QComboBox(self)
self.combo8r.setFont(QFont('Arial', 8))
self.combo8r.setEnabled(False)
self.combo8r.setToolTip('auto - automatically calculates element size and uses two times for the filter range'
'\n')
self.combo8r.addItem("auto")
self.combo8r.addItem("manual")
self.combo8r.move(400, 270)
self.combo8r.currentIndexChanged.connect(self.on_change8r)
# Text box - filter range
self.textbox6 = QLineEdit(self)
self.textbox6.setFont(QFont('Arial', 8))
self.textbox6.move(190, 270)
self.textbox6.resize(50, 20)
self.textbox6.setText("0.")
self.textbox6.setEnabled(False)
self.textbox6.setToolTip('Manual filter range [mm], \n'
'recommended two times mesh size.')
self.textbox7 = QLineEdit(self)
self.textbox7.setFont(QFont('Arial', 8))
self.textbox7.move(330, 270)
self.textbox7.resize(50, 20)
self.textbox7.setText("0.")
self.textbox7.setEnabled(False)
self.textbox7.setToolTip('Manual filter range [mm], \n'
'recommended two times mesh size.')
self.textbox7.setEnabled(False)
self.textbox8 = QLineEdit(self)
self.textbox8.setFont(QFont('Arial', 8))
self.textbox8.move(470, 270)
self.textbox8.resize(50, 20)
self.textbox8.setText("0.")
self.textbox8.setEnabled(False)
self.textbox8.setToolTip('Manual filter range [mm], \n'
'recommended two times mesh size.')
self.textbox8.setEnabled(False)
# Text box - casting direction
self.textbox9 = QLineEdit(self)
self.textbox9.setFont(QFont('Arial', 8))
self.textbox9.move(120, 300)
self.textbox9.resize(80, 20)
self.textbox9.setText("0, 0, 1")
self.textbox9.setEnabled(False)
self.textbox9.setToolTip('Casting direction vector, e.g. direction in z axis:\n'
'0, 0, 1\n\n'
'solid void\n'
'XXXXXX.................\n'
'XXX........................\n'
'XX........................... --> z axis\n'
'XXXXX....................\n'
'XXXXXXXXXXX......')
self.textbox10 = QLineEdit(self)
self.textbox10.setFont(QFont('Arial', 8))
self.textbox10.move(260, 300)
self.textbox10.resize(80, 20)
self.textbox10.resize(80, 20)
self.textbox10.setText("0, 0, 1")
self.textbox10.setEnabled(False)
self.textbox10.setToolTip('Casting direction vector, e.g. direction in z axis:\n'
'0, 0, 1\n\n'
'solid void\n'
'XXXXXX.................\n'
'XXX........................\n'
'XX........................... --> z axis\n'
'XXXXX....................\n'
'XXXXXXXXXXX......')
self.textbox11 = QLineEdit(self)
self.textbox11.setFont(QFont('Arial', 8))
self.textbox11.move(400, 300)
self.textbox11.resize(80, 20)
self.textbox11.setText("0, 0, 1")
self.textbox11.setEnabled(False)
self.textbox11.setToolTip('Casting direction vector, e.g. direction in z axis:\n'
'0, 0, 1\n\n'
'solid void\n'
'XXXXXX.................\n'
'XXX........................\n'
'XX........................... --> z axis\n'
'XXXXX....................\n'
'XXXXXXXXXXX......')
# list widget - select domains
self.widget = QListWidget(self)
self.widget.setFont(QFont('Arial', 8))
self.widget.setToolTip('Domains affected by the filter.\n'
'Select only from domains which you defined above.')
self.widget.move(120, 330)
self.widget.resize(140, 120)
self.widget.setSelectionMode(QAbstractItemView.MultiSelection)
self.widget1 = QListWidget(self)
self.widget1.setFont(QFont('Arial', 8))
self.widget1.setToolTip('Domains affected by the filter.\n'
'Select only from domains which you defined above.')
self.widget1.move(260, 330)
self.widget1.resize(140, 120)
self.widget1.setSelectionMode(QAbstractItemView.MultiSelection)
self.widget1.setEnabled(False)
self.widget2 = QListWidget(self)
self.widget2.setFont(QFont('Arial', 8))
self.widget2.setToolTip('Domains affected by the filter.\n'
'Select only from domains which you defined above.')
self.widget2.move(400, 330)
self.widget2.resize(140, 120)
self.widget2.setSelectionMode(QAbstractItemView.MultiSelection)
self.widget2.setEnabled(False)
# Other settings
label40 = QLabel('Other settings', self)
label40.setFont(QFont('Arial', 10))
label40.setStyleSheet("font-weight: bold")
label40.move(10, 470)
# AR, RR slider
label41 = QLabel('Change per iteration: low', self)
label41.setFont(QFont('Arial', 8))
label41.setFixedWidth(160)
label41.move(10, 500)
label42 = QLabel('high', self)
label42.setFont(QFont('Arial', 8))
label42.move(240, 500)
self.slider = QSlider(Qt.Horizontal, self)
self.slider.setRange(1, 3)
self.slider.setSingleStep(1)
self.slider.setValue(2)
self.slider.move(150, 500)
self.slider.resize(80, 30)
self.slider.setToolTip('Sets mass change per iteration, which is controlled as\n'
'slow: mass_addition_ratio=0.01, mass_removal_ratio=0.02\n'
'middle: mass_addition_ratio=0.015, mass_removal_ratio=0.03\n'
'fast: mass_addition_ratio=0.03, mass_removal_ratio=0.06')
# optimization base combobox
label51 = QLabel('Optimization base', self)
label51.setFont(QFont('Arial', 8))
label51.move(10, 530)
self.combo51 = QComboBox(self)
self.combo51.setFont(QFont('Arial', 8))
self.combo51.setToolTip('Basic principle to determine if element should remain or be removed:\n'
'"stiffness" to maximize stiffness (minimize compliance),\n'
'"heat" to maximize heat flow.')
self.combo51.addItem("stiffness")
self.combo51.addItem("heat")
self.combo51.move(120, 530)
# mass goal ratio
label52 = QLabel('Mass goal ratio', self)
label52.setFont(QFont('Arial', 8))
label52.move(10, 560)
self.textbox52 = QLineEdit(self)
self.textbox52.setFont(QFont('Arial', 8))
self.textbox52.move(120, 560)
self.textbox52.resize(50, 20)
self.textbox52.setText("0.4")
self.textbox52.setToolTip('Fraction of all design domains masses to be achieved;\n'
'between 0 and 1.')
# generate conf. file button
button21 = QPushButton('Generate conf. file', self)
button21.setFont(QFont('Arial', 8))
button21.setToolTip('Writes configuration file with optimization parameters.')
button21.move(10, 600)
button21.clicked.connect(self.on_click21)
button21.setFont(QFont('Arial', 8))
# edit conf. file button
button22 = QPushButton('Edit conf. file', self)
button22.setFont(QFont('Arial', 8))
button22.setToolTip('Opens configuration file for hand modifications.')
button22.move(10, 630)
button22.clicked.connect(self.on_click22)
# run optimization button
button23 = QPushButton('Run optimization', self)
button23.setFont(QFont('Arial', 8))
button23.setToolTip('Writes configuration file and runs optimization.')
button23.move(10, 660)
button23.clicked.connect(self.on_click23)
# generate conf file and run optimization button
button24 = QPushButton('Generate conf.\nfile and run\noptimization', self)
button24.setFont(QFont('Arial', 8))
button24.setToolTip('Writes configuration file and runs optimization.')
button24.move(120, 600)
button24.resize(100, 90)
button24.clicked.connect(self.on_click24)
# help buttons
label41 = QLabel('Help', self)
label41.setFont(QFont('Arial', 10))
label41.setStyleSheet("font-weight: bold")
label41.move(440, 560)
button31 = QPushButton('Example', self)
button31.setFont(QFont('Arial', 8))
button31.setToolTip('https://github.com/fandaL/beso/wiki/Example-4:-GUI-in-FreeCAD')
button31.move(440, 590)
# button31.resize(80, 50)
button31.clicked.connect(self.on_click31)
button32 = QPushButton('Conf. comments', self)
button32.setFont(QFont('Arial', 8))
button32.setToolTip('https://github.com/fandaL/beso/blob/master/beso_conf.py')
button32.move(440, 620)
# button32.resize(80, 50)
button32.clicked.connect(self.on_click32)
button33 = QPushButton('Close', self)
button33.setFont(QFont('Arial', 8))
button33.move(440, 690)
# button33.resize(80, 50)
button33.clicked.connect(self.on_click33)
# open log file
button40 = QPushButton('Open log file', self)
button40.setFont(QFont('Arial', 8))
button40.setToolTip('Opens log file in your text editor.\n'
'(Does not refresh automatically.)')
button40.move(10, 690)
button40.clicked.connect(self.on_click40)
self.on_click1() # first update
self.show()
# @pyqtSlot()
def on_click(self):
ex2 = SelectFile()
self.show()
self.textbox_file_name.setText(self.inp_file)
def on_click1(self):
# get material objects
self.materials = []
self.thicknesses = []
try:
App.ActiveDocument.Objects
except AttributeError:
App.newDocument("Unnamed")
print("Warning: Missing active document with FEM analysis. New document have been created.")
for obj in App.ActiveDocument.Objects:
if obj.Name[:23] == "MechanicalSolidMaterial":
self.materials.append(obj)
elif obj.Name[:13] == "MaterialSolid":
self.materials.append(obj)
elif obj.Name[:13] == "SolidMaterial":
self.materials.append(obj)
elif obj.Name[:17] == "ElementGeometry2D":
self.thicknesses.append(obj)
# update materials combo boxes
self.combo.clear()
self.combo.addItem("None")
self.combo1.clear()
self.combo1.addItem("None")
self.combo2.clear()
self.combo2.addItem("None")
self.combo0t.clear()
self.combo0t.addItem("None")
self.combo1t.clear()
self.combo1t.addItem("None")
self.combo2t.clear()
self.combo2t.addItem("None")
self.widget.clear()
self.widget.addItem("All defined")
self.widget.addItem("Domain 0")
self.widget.addItem("Domain 1")
self.widget.addItem("Domain 2")
self.widget.setCurrentItem(self.widget.item(0))
self.widget1.clear()
self.widget1.addItem("All defined")
self.widget1.addItem("Domain 0")
self.widget1.addItem("Domain 1")
self.widget1.addItem("Domain 2")
self.widget1.setCurrentItem(self.widget1.item(0))
self.widget2.clear()
self.widget2.addItem("All defined")
self.widget2.addItem("Domain 0")
self.widget2.addItem("Domain 1")
self.widget2.addItem("Domain 2")
self.widget2.setCurrentItem(self.widget2.item(0))
for mat in self.materials:
self.combo.addItem(mat.Label)
self.combo1.addItem(mat.Label)
self.combo2.addItem(mat.Label)
if self.materials:
self.combo.setCurrentIndex(1)
for th in self.thicknesses:
self.combo0t.addItem(th.Label)
self.combo1t.addItem(th.Label)
self.combo2t.addItem(th.Label)
def on_click21(self):
"""Overwrite beso_conf.py file in the macro directory"""
file_name = os.path.split(self.textbox_file_name.text())[1]
path = os.path.split(self.textbox_file_name.text())[0].replace("\\", "\\\\")
fea = ccxtools.FemToolsCcx()
fea.setup_ccx()
path_calculix = os.path.normpath(fea.ccx_binary).replace("\\", "\\\\")
optimization_base = self.combo51.currentText()
elset_id = self.combo.currentIndex() - 1
thickness_id = self.combo0t.currentIndex() - 1
if elset_id != -1:
if thickness_id != -1:
elset = self.materials[elset_id].Name + self.thicknesses[thickness_id].Name
else: # 0 means None thickness selected
elset = self.materials[elset_id].Name + "Solid"
if self.materials[elset_id].Material["YoungsModulus"].split()[1] == "MPa":
modulus = float(self.materials[elset_id].Material["YoungsModulus"].split()[0]) # MPa
elif self.materials[elset_id].Material["YoungsModulus"].split()[1] == "GPa":
modulus = float(self.materials[elset_id].Material["YoungsModulus"].split()[0]) * 1000 # GPa -> MPa
elif self.materials[elset_id].Material["YoungsModulus"].split()[1] == "kg/(mm*s^2)":
modulus = float(self.materials[elset_id].Material["YoungsModulus"].split()[0]) / 1000 # kPa -> MPa
else:
raise Exception(" units not recognised in " + self.materials[elset_id].Name)
poisson = float(self.materials[elset_id].Material["PoissonRatio"].split()[0])
try:
if self.materials[elset_id].Material["Density"].split()[1] not in ["kg/m^3", "kg/m3"]:
density = float(self.materials[elset_id].Material["Density"].split()[0]) * 1e-12 # kg/m3 -> t/mm3
elif self.materials[elset_id].Material["Density"].split()[1] == "kg/mm^3":
density = float(self.materials[elset_id].Material["Density"].split()[0]) / 1000 # kg/mm3 -> t/mm3
else:
raise Exception(" units not recognised in " + self.materials[elset_id].Name)
except KeyError:
density = 0.
try:
if self.materials[elset_id].Material["ThermalConductivity"].split()[1] == "W/m/K":
conductivity = float(self.materials[elset_id].Material["ThermalConductivity"].split()[0]) # W/m/K
elif self.materials[elset_id].Material["ThermalConductivity"].split()[1] == "mm*kg/(s^3*K)":
conductivity = float(self.materials[elset_id].Material["ThermalConductivity"].split()[
0]) / 1000 # mm*kg/(s^3*K) -> W/m/K
else:
raise Exception(" units not recognised in " + self.materials[elset_id].Name)
except KeyError:
conductivity = 0.
try:
if self.materials[elset_id].Material["ThermalExpansionCoefficient"].split()[1] in ["um/m/K", "µm/m/K"]:
expansion = float(self.materials[elset_id].Material["ThermalExpansionCoefficient"].split()[
0]) * 1e-6 # um/m/K -> mm/mm/K
elif self.materials[elset_id].Material["ThermalExpansionCoefficient"].split()[1] in ["m/m/K", "1/K"]:
expansion = float(self.materials[elset_id].Material["ThermalExpansionCoefficient"].split()[
0]) # m/m/K -> mm/mm/K
else:
raise Exception(" units not recognised in " + self.materials[elset_id].Name)
except KeyError:
expansion = 0.
try:
if self.materials[elset_id].Material["SpecificHeat"].split()[1] == "J/kg/K":
specific_heat = float(self.materials[elset_id].Material["SpecificHeat"].split()[
0]) * 1e6 # J/kg/K -> mm^2/s^2/K
elif self.materials[elset_id].Material["SpecificHeat"].split()[1] == "kJ/kg/K":
specific_heat = float(self.materials[elset_id].Material["SpecificHeat"].split()[
0]) * 1e9 # kJ/kg/K -> mm^2/s^2/K
elif self.materials[elset_id].Material["SpecificHeat"].split()[1] in ["mm^2/s^2/K", "mm^2/(s^2*K)"]:
specific_heat = float(self.materials[elset_id].Material["SpecificHeat"].split()[0])
else:
raise Exception(" units not recognised in " + self.materials[elset_id].Name)
except KeyError:
specific_heat = 0.
if thickness_id != -1:
thickness = str(self.thicknesses[thickness_id].Thickness).split()[0] # mm
if str(self.thicknesses[thickness_id].Thickness).split()[1] != "mm":
raise Exception(" units not recognised in " + self.thicknesses[thickness_id].Name)
else:
thickness = 0.
optimized = self.checkbox.isChecked()
if self.textbox.text():
von_mises = float(self.textbox.text())
else:
von_mises = 0.
elset_id1 = self.combo1.currentIndex() - 1
thickness_id1 = self.combo1t.currentIndex() - 1
if elset_id1 != -1:
if thickness_id1 != -1:
elset1 = self.materials[elset_id1].Name + self.thicknesses[thickness_id1].Name
else: # 0 means None thickness selected
elset1 = self.materials[elset_id1].Name + "Solid"
if self.materials[elset_id1].Material["YoungsModulus"].split()[1] == "MPa":
modulus1 = float(self.materials[elset_id1].Material["YoungsModulus"].split()[0]) # MPa
elif self.materials[elset_id1].Material["YoungsModulus"].split()[1] == "GPa":
modulus1 = float(self.materials[elset_id1].Material["YoungsModulus"].split()[0]) * 1000 # GPa -> MPa
elif self.materials[elset_id1].Material["YoungsModulus"].split()[1] == "kg/(mm*s^2)":
modulus1 = float(self.materials[elset_id1].Material["YoungsModulus"].split()[0]) / 1000 # kPa -> MPa
else:
raise Exception(" units not recognised in " + self.materials[elset_id1].Name)
poisson1 = float(self.materials[elset_id1].Material["PoissonRatio"].split()[0])
try:
if self.materials[elset_id1].Material["Density"].split()[1] not in ["kg/m^3", "kg/m3"]:
density1 = float(self.materials[elset_id1].Material["Density"].split()[0]) * 1e-12 # kg/m3 -> t/mm3
elif self.materials[elset_id1].Material["Density"].split()[1] == "kg/mm^3":
density1 = float(self.materials[elset_id1].Material["Density"].split()[0]) / 1000 # kg/mm3 -> t/mm3
else:
raise Exception(" units not recognised in " + self.materials[elset_id1].Name)
except KeyError:
density1 = 0.
try:
if self.materials[elset_id1].Material["ThermalConductivity"].split()[1] == "W/m/K":
conductivity1 = float(self.materials[elset_id1].Material["ThermalConductivity"].split()[0]) # W/m/K
elif self.materials[elset_id1].Material["ThermalConductivity"].split()[1] == "mm*kg/(s^3*K)":
conductivity1 = float(self.materials[elset_id1].Material["ThermalConductivity"].split()[
0]) / 1000 # mm*kg/(s^3*K) -> W/m/K
else:
raise Exception(" units not recognised in " + self.materials[elset_id1].Name)
except KeyError:
conductivity1 = 0.
try:
if self.materials[elset_id1].Material["ThermalExpansionCoefficient"].split()[1] == "um/m/K":
expansion1 = float(self.materials[elset_id1].Material["ThermalExpansionCoefficient"].split()[
0]) * 1e-6 # um/m/K -> mm/mm/K
elif self.materials[elset_id1].Material["ThermalExpansionCoefficient"].split()[1] in ["m/m/K", "1/K"]:
expansion1 = float(self.materials[elset_id1].Material["ThermalExpansionCoefficient"].split()[
0]) # m/m/K -> mm/mm/K
else:
raise Exception(" units not recognised in " + self.materials[elset_id1].Name)
except KeyError:
expansion1 = 0.
try:
if self.materials[elset_id1].Material["SpecificHeat"].split()[1] == "J/kg/K":
specific_heat1 = float(self.materials[elset_id1].Material["SpecificHeat"].split()[
0]) * 1e6 # J/kg/K -> mm^2/s^2/K
elif self.materials[elset_id1].Material["SpecificHeat"].split()[1] == "kJ/kg/K":
specific_heat1 = float(self.materials[elset_id1].Material["SpecificHeat"].split()[
0]) * 1e9 # kJ/kg/K -> mm^2/s^2/K
elif self.materials[elset_id1].Material["SpecificHeat"].split()[1] in ["mm^2/s^2/K", "mm^2/(s^2*K)"]:
specific_heat1 = float(self.materials[elset_id1].Material["SpecificHeat"].split()[0])
else:
raise Exception(" units not recognised in " + self.materials[elset_id1].Name)
except KeyError:
specific_heat1 = 0.
if thickness_id1 != -1:
thickness1 = str(self.thicknesses[thickness_id1].Thickness).split()[0] # mm
if str(self.thicknesses[thickness_id1].Thickness).split()[1] != "mm":
raise Exception(" units not recognised in " + self.thicknesses[thickness_id1].Name)
else:
thickness1 = 0.
optimized1 = self.checkbox1.isChecked()
if self.textbox1.text():
von_mises1 = float(self.textbox1.text())
else:
von_mises1 = 0.
elset_id2 = self.combo2.currentIndex() - 1
thickness_id2 = self.combo2t.currentIndex() - 1
if elset_id2 != -1:
if thickness_id2 != -1:
elset2 = self.materials[elset_id2].Name + self.thicknesses[thickness_id2].Name
else: # 0 means None thickness selected
elset2 = self.materials[elset_id2].Name + "Solid"
if self.materials[elset_id2].Material["YoungsModulus"].split()[1] == "MPa":
modulus2 = float(self.materials[elset_id2].Material["YoungsModulus"].split()[0]) # MPa
elif self.materials[elset_id2].Material["YoungsModulus"].split()[1] == "GPa":
modulus2 = float(self.materials[elset_id2].Material["YoungsModulus"].split()[0]) * 1000 # GPa -> MPa
elif self.materials[elset_id2].Material["YoungsModulus"].split()[1] == "kg/(mm*s^2)":
modulus2 = float(self.materials[elset_id2].Material["YoungsModulus"].split()[0]) / 1000 # kPa -> MPa
else:
raise Exception(" units not recognised in " + self.materials[elset_id2].Name)
poisson2 = float(self.materials[elset_id2].Material["PoissonRatio"].split()[0])
try:
if self.materials[elset_id2].Material["Density"].split()[1] not in ["kg/m^3", "kg/m3"]:
density2 = float(self.materials[elset_id2].Material["Density"].split()[0]) * 1e-12 # kg/m3 -> t/mm3
elif self.materials[elset_id2].Material["Density"].split()[1] == "kg/mm^3":
density2 = float(self.materials[elset_id2].Material["Density"].split()[0]) / 1000 # kg/mm3 -> t/mm3
else:
raise Exception(" units not recognised in " + self.materials[elset_id2].Name)
except KeyError:
density2 = 0.
try:
if self.materials[elset_id2].Material["ThermalConductivity"].split()[1] == "W/m/K":
conductivity2 = float(self.materials[elset_id2].Material["ThermalConductivity"].split()[0]) # W/m/K
elif self.materials[elset_id2].Material["ThermalConductivity"].split()[1] == "mm*kg/(s^3*K)":
conductivity2 = float(self.materials[elset_id2].Material["ThermalConductivity"].split()[
0]) / 1000 # mm*kg/(s^3*K) -> W/m/K
else:
raise Exception(" units not recognised in " + self.materials[elset_id2].Name)
except KeyError:
conductivity2 = 0.
try:
if self.materials[elset_id2].Material["ThermalExpansionCoefficient"].split()[1] == "um/m/K":
expansion2 = float(self.materials[elset_id2].Material["ThermalExpansionCoefficient"].split()[
0]) * 1e-6 # um/m/K -> mm/mm/K
elif self.materials[elset_id2].Material["ThermalExpansionCoefficient"].split()[1] in ["m/m/K", "1/K"]:
expansion2 = float(self.materials[elset_id2].Material["ThermalExpansionCoefficient"].split()[
0]) # m/m/K -> mm/mm/K
else:
raise Exception(" units not recognised in " + self.materials[elset_id2].Name)
except KeyError:
expansion2 = 0.
try:
if self.materials[elset_id2].Material["SpecificHeat"].split()[1] == "J/kg/K":
specific_heat2 = float(self.materials[elset_id2].Material["SpecificHeat"].split()[
0]) * 1e6 # J/kg/K -> mm^2/s^2/K
elif self.materials[elset_id2].Material["SpecificHeat"].split()[1] == "kJ/kg/K":
specific_heat2 = float(self.materials[elset_id2].Material["SpecificHeat"].split()[
0]) * 1e9 # kJ/kg/K -> mm^2/s^2/K
elif self.materials[elset_id2].Material["SpecificHeat"].split()[1] in ["mm^2/s^2/K", "mm^2/(s^2*K)"]:
specific_heat2 = float(self.materials[elset_id2].Material["SpecificHeat"].split()[0])
else:
raise Exception(" units not recognised in " + self.materials[elset_id2].Name)
except KeyError:
specific_heat2 = 0.
if thickness_id2 != -1:
thickness2 = str(self.thicknesses[thickness_id2].Thickness).split()[0] # mm
if str(self.thicknesses[thickness_id2].Thickness).split()[1] != "mm":
raise Exception(" units not recognised in " + self.thicknesses[thickness_id2].Name)
else:
thickness2 = 0.
optimized2 = self.checkbox2.isChecked()
if self.textbox2.text():
von_mises2 = float(self.textbox2.text())
else:
von_mises2 = 0.
with open(os.path.join(self.beso_dir, "beso_conf.py"), "w") as f:
f.write("# This is the configuration file with input parameters. It will be executed as python commands\n")
f.write("# Written by beso_fc_gui.py at {}\n".format(datetime.datetime.now()))
f.write("\n")
f.write("path_calculix = '{}'\n".format(path_calculix))
f.write("path = '{}'\n".format(path))
f.write("file_name = '{}'\n".format(file_name))
f.write("\n")
if elset_id != -1:
f.write("elset_name = '{}'\n".format(elset))
f.write("domain_optimized[elset_name] = {}\n".format(optimized))
f.write("domain_density[elset_name] = [{}, {}]\n".format(density * 1e-6, density))
if thickness:
f.write("domain_thickness[elset_name] = [{}, {}]\n".format(thickness, thickness))
if von_mises:
f.write("domain_FI[elset_name] = [[('stress_von_Mises', {:.6})],\n".format(von_mises * 1e6))
f.write(" [('stress_von_Mises', {:.6})]]\n".format(von_mises))
f.write("domain_material[elset_name] = ['*ELASTIC\\n{:.6}, {}\\n*DENSITY\\n{:.6}\\n*CONDUCTIVITY\\n"
"{:.6}\\n*EXPANSION\\n{:.6}\\n*SPECIFIC HEAT\\n{:.6}\\n',\n".format(modulus * 1e-6, poisson,
density * 1e-6, conductivity * 1e-6, expansion * 1e-6, specific_heat * 1e-6))
f.write(" '*ELASTIC\\n{:.6}, {:.6}\\n*DENSITY\\n{:.6}\\n*CONDUCTIVITY\\n"
"{:.6}\\n*EXPANSION\\n{:.6}\\n*SPECIFIC HEAT\\n{:.6}\\n']\n".format(modulus, poisson, density,
conductivity, expansion, specific_heat))
f.write("\n")
if elset_id1 != -1:
f.write("elset_name = '{}'\n".format(elset1))
f.write("domain_optimized[elset_name] = {}\n".format(optimized1))
f.write("domain_density[elset_name] = [{}, {}]\n".format(density1 * 1e-6, density1))
if thickness1:
f.write("domain_thickness[elset_name] = [{}, {}]\n".format(thickness1, thickness1))
if von_mises1:
f.write("domain_FI[elset_name] = [[('stress_von_Mises', {:.6})],\n".format(von_mises1 * 1e6))
f.write(" [('stress_von_Mises', {:.6})]]\n".format(von_mises1))
f.write("domain_material[elset_name] = ['*ELASTIC\\n{:.6}, {:.6}\\n*DENSITY\\n{:.6}\\n*CONDUCTIVITY"
"\\n{:.6}\\n*EXPANSION\\n{:.6}\\n*SPECIFIC HEAT\\n{:.6}\\n',\n".format(modulus1 * 1e-6,
poisson1, density1 * 1e-6, conductivity1 * 1e-6, expansion1 * 1e-6, specific_heat1 * 1e-6))
f.write(" '*ELASTIC\\n{:.6}, {:.6}\\n*DENSITY\\n{:.6}\\n*CONDUCTIVITY\\n"
"{:.6}\\n" "*EXPANSION\\n{:.6}\\n*SPECIFIC HEAT\\n{:.6}\\n']\n".format(modulus1, poisson1,
density1, conductivity1, expansion1, specific_heat1))
f.write("\n")
if elset_id2 != -1:
f.write("elset_name = '{}'\n".format(elset2))
f.write("domain_optimized[elset_name] = {}\n".format(optimized2))
f.write("domain_density[elset_name] = [{}, {}]\n".format(density2 * 1e-6, density2))
if thickness2:
f.write("domain_thickness[elset_name] = [{}, {}]\n".format(thickness2, thickness2))
if von_mises2:
f.write("domain_FI[elset_name] = [[('stress_von_Mises', {:.6})],\n".format(von_mises2 * 1e6))
f.write(" [('stress_von_Mises', {:.6})]]\n".format(von_mises2))
f.write("domain_material[elset_name] = ['*ELASTIC\\n{:.6}, {:.6}\\n*DENSITY\\n{:.6}\\n*CONDUCTIVITY"
"\\n{:.6}\\n*EXPANSION\\n{:.6}\\n*SPECIFIC HEAT\\n{:.6}\\n',\n".format(modulus2 * 1e-6,
poisson2, density2 * 1e-6, conductivity2 * 1e-6, expansion2 * 1e-6, specific_heat2 * 1e-6))
f.write(" '*ELASTIC\\n{:.6}, {:.6}\\n*DENSITY\\n{:.6}\\n*CONDUCTIVITY\\n"
"{:.6}\\n*EXPANSION\\n{:.6}\\n*SPECIFIC HEAT\\n{:.6}\\n']\n".format(modulus2, poisson2,
density2, conductivity2, expansion2, specific_heat2))
f.write("\n")
f.write("mass_goal_ratio = " + self.textbox52.text())
f.write("\n")
f.write("filter_list = [")
filter = self.combo6.currentText()
if self.combo6r.currentText() == "auto":
range = '"auto"'
elif self.combo6r.currentText() == "manual":
range = self.textbox6.text()
direction = self.textbox9.text()
selection = [item.text() for item in self.widget.selectedItems()]
filter_domains = []
if "All defined" not in selection:
if "Domain 0" in selection:
filter_domains.append(elset)
if "Domain 1" in selection:
filter_domains.append(elset1)
if "Domain 2" in selection:
filter_domains.append(elset2)
if filter == "simple":
f.write("['simple', {}".format(range))
for dn in filter_domains:
f.write(", '{}'".format(dn))
f.write("],\n")
elif filter == "casting":
f.write("['casting', {}, ({})".format(range, direction))
for dn in filter_domains:
f.write(", '{}'".format(dn))
f.write("],\n")
filter1 = self.combo7.currentText()
if self.combo7r.currentText() == "auto":
range1 = '"auto"'
elif self.combo7r.currentText() == "manual":
range1 = self.textbox7.text()
direction1 = self.textbox10.text()
selection = [item.text() for item in self.widget1.selectedItems()]
filter_domains1 = []
if "All defined" not in selection:
if "Domain 0" in selection:
filter_domains1.append(elset)
if "Domain 1" in selection:
filter_domains1.append(elset1)
if "Domain 2" in selection:
filter_domains1.append(elset2)
if filter1 == "simple":
f.write(" ['simple', {}".format(range1))
for dn in filter_domains1:
f.write(", '{}'".format(dn))
f.write("],\n")
elif filter1 == "casting":
f.write(" ['casting', {}, ({})".format(range1, direction1))
for dn in filter_domains1:
f.write(", '{}'".format(dn))
f.write("],\n")
filter2 = self.combo8.currentText()
if self.combo8r.currentText() == "auto":
range2 = '"auto"'
elif self.combo8r.currentText() == "manual":
range2 = self.textbox8.text()
direction2 = self.textbox11.text()
selection = [item.text() for item in self.widget2.selectedItems()]
filter_domains2 = []
if "All defined" not in selection:
if "Domain 0" in selection:
filter_domains2.append(elset)
if "Domain 1" in selection:
filter_domains2.append(elset1)
if "Domain 2" in selection:
filter_domains2.append(elset2)
if filter2 == "simple":
f.write(" ['simple', {}".format(range2))
for dn in filter_domains2:
f.write(", '{}'".format(dn))
f.write("],\n")
elif filter2 == "casting":
f.write(" ['casting', {}, ({})".format(range2, direction2))
for dn in filter_domains2:
f.write(", '{}'".format(dn))
f.write("],\n")
f.write(" ]\n")
f.write("\n")
f.write("optimization_base = '{}'\n".format(optimization_base))
f.write("\n")
slider_position = self.slider.value()
if slider_position == 1:
f.write("mass_addition_ratio = 0.01\n")
f.write("mass_removal_ratio = 0.02\n")
if slider_position == 2:
f.write("mass_addition_ratio = 0.015\n")
f.write("mass_removal_ratio = 0.03\n")
if slider_position == 3:
f.write("mass_addition_ratio = 0.03\n")
f.write("mass_removal_ratio = 0.06\n")
f.write("ratio_type = 'relative'\n")
f.write("\n")
def on_click22(self):
"""Open beso_conf.py in FreeCAD editor"""
FreeCADGui.insert(os.path.join(self.beso_dir, "beso_conf.py"))
def on_click23(self):
"""Run optimization"""
# run in own thread (not freezing FreeCAD): needs also to comment "plt.show()" on the end of beso_main.py
# self.optimization_thread = RunOptimization("beso_main")
# self.optimization_thread.start()
# run in foreground (freeze FreeCAD)
exec(open(os.path.join(beso_gui.beso_dir, "beso_main.py")).read())
def on_click24(self):
self.on_click21() # generate beso_conf.py
self.on_click23() # run optimization
def on_click31(self):
webbrowser.open_new_tab("https://github.com/fandaL/beso/wiki/Example-4:-GUI-in-FreeCAD")
def on_click32(self):
webbrowser.open_new_tab("https://github.com/fandaL/beso/blob/master/beso_conf.py")