ifc2ca major update - todo: update readme file

This commit is contained in:
Ioannis P. Christovasilis
2024-01-18 12:53:31 +01:00
parent d42e19f491
commit b33378e135
20 changed files with 2680 additions and 2237 deletions
+525
View File
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# Ifc2CA - IFC Code_Aster utility
# Copyright (C) 2020, 2021 Ioannis P. Christovasilis <ipc@aethereng.com>
#
# This file is part of Ifc2CA.
#
# Ifc2CA is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ifc2CA 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Ifc2CA. If not, see <http://www.gnu.org/licenses/>.
import json
import ifcopenshell
import os
from datetime import datetime
class CA2IFC:
def __init__(self, inputFilename, outputFilename):
self.inputFilename = inputFilename
self.outputFilename = outputFilename
self.data = None
self.f = None
self.reps = {}
self.origin = None
self.xAxis = None
self.yAxis = None
self.zAxis = None
def convert(self):
# load json file
with open(self.inputFilename) as dataFile:
self.data = json.load(dataFile)
# initiate ifc file
self.f = ifcopenshell.file()
# create header
self.create_header()
# create global axes
globalAxes = self.create_global_axes()
localPlacement = self.f.createIfcLocalPlacement(None, globalAxes)
# TODO: create units
lengthUnit = self.f.createIfcSIUnit(None, "LENGTHUNIT", None, "METRE")
unitAssignment = self.f.createIfcUnitAssignment((lengthUnit,))
# create owner history
ownerHistory = self.create_owner_history()
# create representations and subrepresentations
self.reps = self.create_reference_subrep(globalAxes)
# create project and model
project = self.f.createIfcProject(
self.guid(), ownerHistory, "A Project", None, None, None, None, (self.reps["model"],), unitAssignment
)
model = self.f.createIfcStructuralAnalysisModel(
self.guid(),
ownerHistory,
self.data["name"],
None,
None,
"NOTDEFINED",
globalAxes,
None,
None,
localPlacement,
)
self.f.createIfcRelDeclares(self.guid(), ownerHistory, None, None, project, (model,))
# create materials
ifcMaterials = [None for _ in range(len(self.data["db"]["materials"]))]
for i, material in enumerate(self.data["db"]["materials"]):
ifcMaterials[i] = self.create_material(material)
# create profiles
ifcProfiles = [None for _ in range(len(self.data["db"]["profiles"]))]
for i, profile in enumerate(self.data["db"]["profiles"]):
ifcProfiles[i] = self.create_profile(profile)
# create material-profile sets
mpSets = list(
set([el["material"] + "-" + el["profile"] for el in self.data["elements"] if el["geometryType"] == "line"])
)
ifcMaterialProfileSets = [None for _ in range(len(mpSets))]
for i, mpSet in enumerate(mpSets):
materialIndex = [mat["referenceName"] for mat in self.data["db"]["materials"]].index(mpSet.split("-")[0])
profileIndex = [prof["referenceName"] for prof in self.data["db"]["profiles"]].index(mpSet.split("-")[1])
material = ifcMaterials[materialIndex]
profile = ifcProfiles[profileIndex]
matProf = self.f.createIfcMaterialProfile(
self.data["db"]["materials"][materialIndex]["name"]
+ " | "
+ self.data["db"]["profiles"][profileIndex]["profileName"],
None,
material,
profile,
)
ifcMaterialProfileSets[i] = self.f.createIfcMaterialProfileSet(None, None, (matProf,))
# create structural elements
ifcElements = [None for _ in range(len(self.data["elements"]))]
for i, el in enumerate(self.data["elements"]):
# geometry - product definition shape
prodDefShape = self.create_geometry(el)
if el["geometryType"] == "line":
# z axis TODO: group by elements
localZAxis = self.f.createIfcDirection(tuple(el["orientation"][2]))
# element
ifcElements[i] = self.f.createIfcStructuralCurveMember(
self.guid(),
ownerHistory,
el["name"],
None,
None,
localPlacement,
prodDefShape,
el["predefinedType"],
localZAxis,
)
if el["geometryType"] == "surface":
ifcElements[i] = self.f.createIfcStructuralSurfaceMember(
self.guid(),
ownerHistory,
el["name"],
None,
None,
localPlacement,
prodDefShape,
el["predefinedType"],
el["thickness"],
)
# create structural point connections
ifcConnections = [None for _ in range(len(self.data["connections"]))]
for i, conn in enumerate(self.data["connections"]):
# geometry - product definition shape
prodDefShape = self.create_geometry(conn)
# boundary conditions
if conn["appliedCondition"]:
bc = self.create_applied_conditions(conn["appliedCondition"], conn["geometryType"])
if conn["geometryType"] == "point":
appliedCondition = self.f.createIfcBoundaryNodeCondition(
None, bc["dx"], bc["dy"], bc["dz"], bc["drx"], bc["dry"], bc["drz"]
)
if conn["geometryType"] == "line":
appliedCondition = self.f.createIfcBoundaryEdgeCondition(
None, bc["dx"], bc["dy"], bc["dz"], bc["drx"], bc["dry"], bc["drz"]
)
if conn["geometryType"] == "surface":
appliedCondition = self.f.createIfcBoundaryFaceCondition(None, bc["dx"], bc["dy"], bc["dz"])
else:
appliedCondition = None
if conn["geometryType"] == "point":
# local axes
localAxes = self.create_orientation(conn["orientation"])
# connection
ifcConnections[i] = self.f.createIfcStructuralPointConnection(
self.guid(),
ownerHistory,
conn["name"],
None,
None,
localPlacement,
prodDefShape,
appliedCondition,
localAxes,
)
if conn["geometryType"] == "line":
# z axis TODO: group by elements
localZAxis = self.f.createIfcDirection(tuple(conn["orientation"][2]))
# connection
ifcConnections[i] = self.f.createIfcStructuralCurveConnection(
self.guid(),
ownerHistory,
conn["name"],
None,
None,
localPlacement,
prodDefShape,
appliedCondition,
localZAxis,
)
if conn["geometryType"] == "surface":
ifcConnections[i] = self.f.createIfcStructuralSurfaceConnection(
self.guid(), ownerHistory, conn["name"], None, None, localPlacement, prodDefShape, appliedCondition
)
# assign material-profile-sets
for i, mpSet in enumerate(mpSets):
groupOfElements = []
for j, el in enumerate(self.data["elements"]):
if el["geometryType"] == "line" and el["material"] + "-" + el["profile"] == mpSet:
groupOfElements.append(ifcElements[j])
if groupOfElements:
self.f.createIfcRelAssociatesMaterial(
self.guid(), ownerHistory, None, None, tuple(groupOfElements), ifcMaterialProfileSets[i]
)
# assign materials
for i, mat in enumerate(self.data["db"]["materials"]):
groupOfElements = []
for j, el in enumerate(self.data["elements"]):
if el["geometryType"] == "surface" and el["material"] == mat["referenceName"]:
groupOfElements.append(ifcElements[j])
if groupOfElements:
self.f.createIfcRelAssociatesMaterial(
self.guid(), ownerHistory, None, None, tuple(groupOfElements), ifcMaterials[i]
)
# create connections with elements
for i, el in enumerate(self.data["elements"]):
for conn in el["connections"]:
j = [c["referenceName"] for c in self.data["connections"]].index(conn["relatedConnection"])
geometryType = self.data["connections"][j]["geometryType"]
if conn["appliedCondition"]:
bc = self.create_applied_conditions(conn["appliedCondition"], geometryType)
if geometryType == "point":
appliedCondition = self.f.createIfcBoundaryNodeCondition(
None, bc["dx"], bc["dy"], bc["dz"], bc["drx"], bc["dry"], bc["drz"]
)
if geometryType == "line":
appliedCondition = self.f.createIfcBoundaryEdgeCondition(
None, bc["dx"], bc["dy"], bc["dz"], bc["drx"], bc["dry"], bc["drz"]
)
if geometryType == "surface":
appliedCondition = self.f.createIfcBoundaryFaceCondition(None, bc["dx"], bc["dy"], bc["dz"])
else:
appliedCondition = None
# local axes
localAxes = self.create_orientation(conn["orientation"])
if geometryType == "point":
if not conn["eccentricity"]:
self.f.createIfcRelConnectsStructuralMember(
self.guid(),
ownerHistory,
None,
None,
ifcElements[i],
ifcConnections[j],
appliedCondition,
None,
None,
localAxes,
)
else:
pointOnElement = self.f.createIfcCartesianPoint(tuple(conn["eccentricity"]["pointOnElement"]))
vector = conn["eccentricity"]["vector"]
connPointEcc = self.f.createIfcConnectionPointEccentricity(
pointOnElement, None, vector[0], vector[1], vector[2]
)
self.f.createIfcRelConnectsWithEccentricity(
self.guid(),
ownerHistory,
None,
None,
ifcElements[i],
ifcConnections[j],
appliedCondition,
None,
None,
localAxes,
connPointEcc,
)
if geometryType in ["line", "surface"]:
self.f.createIfcRelConnectsStructuralMember(
self.guid(),
ownerHistory,
None,
None,
ifcElements[i],
ifcConnections[j],
appliedCondition,
None,
None,
localAxes,
)
# assign elements and connections to group
self.f.createIfcRelAssignsToGroup(
self.guid(), ownerHistory, None, None, tuple(ifcElements + ifcConnections), None, model
)
# finalize ifc file
self.f.write(self.outputFilename)
def guid(self):
return ifcopenshell.guid.new()
def create_header(self):
self.f.wrapped_data.header.file_name.name = os.path.basename(self.outputFilename)
def create_global_axes(self):
self.xAxis = self.f.createIfcDirection((1.0, 0.0, 0.0))
self.yAxis = self.f.createIfcDirection((0.0, 1.0, 0.0))
self.zAxis = self.f.createIfcDirection((0.0, 0.0, 1.0))
self.origin = self.f.createIfcCartesianPoint((0.0, 0.0, 0.0))
axes = self.f.createIfcAxis2Placement3D(self.origin, self.zAxis, self.xAxis)
return axes
def create_orientation(self, orientation):
xAxis = self.f.createIfcDirection(tuple(orientation[0]))
zAxis = self.f.createIfcDirection(tuple(orientation[2]))
axes = self.f.createIfcAxis2Placement3D(self.origin, zAxis, xAxis)
return axes
def create_owner_history(self):
actor = self.f.createIfcActorRole("ENGINEER", None, None)
person = self.f.createIfcPerson("Christovasilis", None, "Ioannis", None, None, None, (actor,))
organization = self.f.createIfcOrganization(
None,
"IfcOpenShell",
"IfcOpenShell, an open source (LGPL) software library that helps users and software developers to work with the IFC file format.",
)
p_o = self.f.createIfcPersonAndOrganization(person, organization)
application = self.f.createIfcApplication(organization, "v0.0.x", "IFC2CA", "IFC2CA")
timestamp = int(datetime.now().timestamp())
ownerHistory = self.f.createIfcOwnerHistory(p_o, application, "READWRITE", None, None, None, None, timestamp)
return ownerHistory
def create_reference_subrep(self, globalAxes):
modelRep = self.f.createIfcGeometricRepresentationContext(None, "Model", 3, 1.0e-05, globalAxes, None)
bodySubRep = self.f.createIfcGeometricRepresentationSubContext(
"Body", "Model", None, None, None, None, modelRep, None, "MODEL_VIEW", None
)
refSubRep = self.f.createIfcGeometricRepresentationSubContext(
"Reference", "Model", None, None, None, None, modelRep, None, "GRAPH_VIEW", None
)
return {"model": modelRep, "body": bodySubRep, "reference": refSubRep}
def create_material(self, material):
ifcMaterial = self.f.createIfcMaterial(material["name"], None, material["category"])
mechProps = []
if "youngModulus" in material["mechProps"]:
youngModulus = self.f.createIfcPropertySingleValue(
"YoungModulus", None, self.f.createIfcModulusOfElasticityMeasure(material["mechProps"]["youngModulus"])
)
mechProps.append(youngModulus)
if "shearModulus" in material["mechProps"]:
shearModulus = self.f.createIfcPropertySingleValue(
"ShearModulus", None, self.f.createIfcModulusOfElasticityMeasure(material["mechProps"]["shearModulus"])
)
mechProps.append(shearModulus)
if "poissonRatio" in material["mechProps"]:
poissonRatio = self.f.createIfcPropertySingleValue(
"PoissonRatio", None, self.f.createIfcPositiveRatioMeasure(material["mechProps"]["poissonRatio"])
)
mechProps.append(poissonRatio)
if mechProps:
self.f.createIfcMaterialProperties(
"Pset_MaterialMechanical", material["name"], tuple(mechProps), ifcMaterial
)
commonProps = []
if "massDensity" in material["commonProps"]:
massDensity = self.f.createIfcPropertySingleValue(
"MassDensity", None, self.f.createIfcMassDensityMeasure(material["commonProps"]["massDensity"])
)
commonProps.append(massDensity)
if commonProps:
self.f.createIfcMaterialProperties("Pset_MaterialCommon", material["name"], tuple(commonProps), ifcMaterial)
return ifcMaterial
def create_profile(self, profile):
if profile["profileShape"] == "rectangular":
ifcProfile = self.f.createIfcRectangleProfileDef(
profile["profileType"], profile["profileName"], None, profile["xDim"], profile["yDim"]
)
if profile["profileShape"] == "iSymmetrical":
ifcProfile = self.f.createIfcIShapeProfileDef(
profile["profileType"],
profile["profileName"],
None,
profile["commonProps"]["overallWidth"],
profile["commonProps"]["overallDepth"],
profile["commonProps"]["webThickness"],
profile["commonProps"]["flangeThickness"],
profile["commonProps"]["filletRadius"],
)
mechProps = []
if "massPerLength" in profile["mechProps"]:
massPerLength = self.f.createIfcPropertySingleValue(
"MassPerLength", None, self.f.createIfcMassPerLengthMeasure(profile["mechProps"]["massPerLength"])
)
mechProps.append(massPerLength)
if "crossSectionArea" in profile["mechProps"]:
crossSectionArea = self.f.createIfcPropertySingleValue(
"CrossSectionArea", None, self.f.createIfcAreaMeasure(profile["mechProps"]["crossSectionArea"])
)
mechProps.append(crossSectionArea)
if "momentOfInertiaY" in profile["mechProps"]:
momentOfInertiaY = self.f.createIfcPropertySingleValue(
"MomentOfInertiaY",
None,
self.f.createIfcMomentOfInertiaMeasure(profile["mechProps"]["momentOfInertiaY"]),
)
mechProps.append(momentOfInertiaY)
if "momentOfInertiaZ" in profile["mechProps"]:
momentOfInertiaZ = self.f.createIfcPropertySingleValue(
"MomentOfInertiaZ",
None,
self.f.createIfcMomentOfInertiaMeasure(profile["mechProps"]["momentOfInertiaZ"]),
)
mechProps.append(momentOfInertiaZ)
if "torsionalConstantX" in profile["mechProps"]:
torsionalConstantX = self.f.createIfcPropertySingleValue(
"TorsionalConstantX",
None,
self.f.createIfcMomentOfInertiaMeasure(profile["mechProps"]["torsionalConstantX"]),
)
mechProps.append(torsionalConstantX)
if mechProps:
self.f.createIfcProfileProperties(
"Pset_ProfileMechanical", profile["profileName"], tuple(mechProps), ifcProfile
)
return ifcProfile
def create_geometry(self, object):
if object["geometryType"] == "point":
point = self.f.createIfcCartesianPoint(tuple(object["geometry"]))
vertex = self.f.createIfcVertexPoint(point)
vertexTopologyRep = self.f.createIfcTopologyRepresentation(
self.reps["reference"], "Reference", "Vertex", (vertex,)
)
vertexProdDefShape = self.f.createIfcProductDefinitionShape(None, None, (vertexTopologyRep,))
return vertexProdDefShape
if object["geometryType"] == "line":
startPoint = self.f.createIfcCartesianPoint(tuple(object["geometry"][0]))
startVertex = self.f.createIfcVertexPoint(startPoint)
endPoint = self.f.createIfcCartesianPoint(tuple(object["geometry"][1]))
endVertex = self.f.createIfcVertexPoint(endPoint)
edge = self.f.createIfcEdge(startVertex, endVertex)
edgeTopologyRep = self.f.createIfcTopologyRepresentation(
self.reps["reference"], "Reference", "Edge", (edge,)
)
edgeProdDefShape = self.f.createIfcProductDefinitionShape(None, None, (edgeTopologyRep,))
return edgeProdDefShape
if object["geometryType"] == "surface":
verts = [None for _ in range(len(object["geometry"]))]
for i, p in enumerate(object["geometry"]):
point = self.f.createIfcCartesianPoint(tuple(p))
verts[i] = self.f.createIfcVertexPoint(point)
orientedEdges = [None for _ in range(len(object["geometry"]))]
for i, v in enumerate(verts):
v2Index = (i + 1) if i < len(verts) - 1 else 0
edge = self.f.createIfcEdge(v, verts[v2Index])
orientedEdges[i] = self.f.createIfcOrientedEdge(None, None, edge, True)
edgeLoop = self.f.createIfcEdgeLoop(tuple(orientedEdges))
localAxes = self.create_orientation(object["orientation"])
plane = self.f.createIfcPlane(localAxes)
faceBound = self.f.createIfcFaceBound(edgeLoop, True)
face = self.f.createIfcFaceSurface((faceBound,), plane, True)
faceTopologyRep = self.f.createIfcTopologyRepresentation(
self.reps["reference"], "Reference", "Face", (face,)
)
faceProdDefShape = self.f.createIfcProductDefinitionShape(None, None, (faceTopologyRep,))
return faceProdDefShape
def create_applied_conditions(self, bc, geometryType):
for dof in ["dx", "dy", "dz"]:
if isinstance(bc[dof], bool):
bc[dof] = self.f.createIfcBoolean(bc[dof])
else:
if geometryType == "point":
bc[dof] = self.f.createIfcLinearStiffnessMeasure(bc[dof])
if geometryType == "line":
bc[dof] = self.f.createIfcModulusOfLinearSubgradeReactionMeasure(bc[dof])
if geometryType == "surface":
bc[dof] = self.f.createIfcModulusOfSubgradeReactionMeasure(bc[dof])
for dof in ["drx", "dry", "drz"]:
if isinstance(bc[dof], bool):
bc[dof] = self.f.createIfcBoolean(bc[dof])
else:
if geometryType == "point":
bc[dof] = self.f.createIfcRotationalStiffnessMeasure(bc[dof])
if geometryType == "line":
bc[dof] = self.f.createIfcModulusOfRotationalSubgradeReactionMeasure(bc[dof])
return bc
if __name__ == "__main__":
inputFilename = "grid_of_beams.json"
outputFilename = "grid_of_beams.ifc"
ca2ifc = CA2IFC(inputFilename, outputFilename)
ca2ifc.convert()
@@ -0,0 +1,580 @@
# Ifc2CA - IFC Code_Aster utility
# Copyright (C) 2020, 2021 Ioannis P. Christovasilis <ipc@aethereng.com>
#
# This file is part of Ifc2CA.
#
# Ifc2CA is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ifc2CA 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Ifc2CA. If not, see <http://www.gnu.org/licenses/>.
import json
import numpy as np
import itertools
from pathlib import Path
flatten = itertools.chain.from_iterable
ScaleFactor = 1.0
AccelOfGravity = 9.806 * 1000
class COMMANDFILE:
def __init__(self, dataFilename, asterFilename):
self.dataFilename = dataFilename
self.asterFilename = asterFilename
self.create()
def getGroupName(self, name):
if "|" in name:
info = name.split("|")
sortName = "".join(c for c in info[0] if c.isupper())
return f"{sortName[2:]}_{info[1]}"
else:
return name
def create(self):
# Read data from input file
with open(self.dataFilename) as dataFile:
data = json.load(dataFile)
elements = data["elements"]
connections = data["connections"]
# --> Delete this reference data and repopulate it with the objects
# while going through elements
for conn in connections:
conn["relatedElements"] = []
for el in elements:
for rel in el["connections"]:
conn = [
c for c in connections if c["referenceName"] == rel["relatedConnection"]
][0]
conn["relatedElements"].append(rel)
# End <--
materials = data["db"]["materials"]
profiles = data["db"]["profiles"]
edgeGroupNames = tuple(
[
self.getGroupName(el["referenceName"])
for el in elements
if el["geometryType"] == "line"
]
)
faceGroupNames = tuple(
[
self.getGroupName(el["referenceName"])
for el in elements
if el["geometryType"] == "surface"
]
)
rigidLinkGroupNames = []
for conn in connections:
rigidLinkGroupNames.extend(
[
self.getGroupName(rel["relatingElement"])
+ "_1DR_"
+ self.getGroupName(conn["referenceName"])
for rel in conn["relatedElements"]
if rel["eccentricity"]
]
)
rigidLinkGroupNames = tuple(rigidLinkGroupNames)
# Define file to write command file for code_aster
f = open(self.asterFilename, "w")
f.write("# Command file generated by IfcOpenShell/ifc2ca scripts\n")
f.write("\n")
f.write("# Linear Static Analysis With Self-Weight\n")
f.write(
"""
# STEP: INITIALIZE STUDY
DEBUT(
PAR_LOT = 'NON'
)
"""
)
f.write(
"""
# STEP: READ MED FILE
mesh = LIRE_MAILLAGE(
FORMAT = 'MED',
UNITE = 20
)
"""
)
f.write(
"""
# STEP: DEFINE MODEL
model = AFFE_MODELE(
MAILLAGE = mesh,
AFFE = (
_F(
TOUT = 'OUI',
PHENOMENE = 'MECANIQUE',
MODELISATION = '3D'
),"""
)
if faceGroupNames:
template = """
_F(
GROUP_MA = {groupNames},
PHENOMENE = 'MECANIQUE',
MODELISATION = 'DKT'
),"""
context = {"groupNames": faceGroupNames}
f.write(template.format(**context))
if edgeGroupNames:
template = """
_F(
GROUP_MA = {groupNames},
PHENOMENE = 'MECANIQUE',
MODELISATION = 'POU_D_E'
),"""
context = {"groupNames": edgeGroupNames}
f.write(template.format(**context))
if rigidLinkGroupNames:
template = """
_F(
GROUP_MA = {groupNames},
PHENOMENE = 'MECANIQUE',
MODELISATION = 'POU_D_E'
),"""
context = {"groupNames": rigidLinkGroupNames}
f.write(template.format(**context))
f.write(
"""
)
)\n
"""
)
f.write("# STEP: DEFINE MATERIALS")
for i, material in enumerate(materials):
template = """
{matNameID} = DEFI_MATERIAU(
ELAS = _F(
E = {youngModulus},
NU = {poissonRatio},
RHO = {massDensity}
)
)
"""
if "poissonRatio" in material["mechProps"]:
poissonRatio = material["mechProps"]["poissonRatio"]
else:
if "shearModulus" in material["mechProps"]:
poissonRatio = (
material["mechProps"]["youngModulus"]
/ 2.0
/ material["mechProps"]["shearModulus"]
) - 1
else:
poissonRatio = 0.0
context = {
"matNameID": "mat" + "_%s" % i,
"youngModulus": float(material["mechProps"]["youngModulus"])
* ScaleFactor ** 2,
"poissonRatio": float(poissonRatio),
"massDensity": float(material["commonProps"]["massDensity"])
* ScaleFactor ** 3,
}
f.write(template.format(**context))
f.write(
"""
material = AFFE_MATERIAU(
MAILLAGE = mesh,
AFFE = ("""
)
for i, material in enumerate(materials):
template = """
_F(
GROUP_MA = {groupNames},
MATER = {matNameID},
),"""
context = {
"groupNames": tuple(
[self.getGroupName(rel) for rel in material["relatedElements"]]
),
"matNameID": "mat" + "_%s" % i,
}
f.write(template.format(**context))
if rigidLinkGroupNames:
template = """
_F(
GROUP_MA = {groupNames},
MATER = {matNameID},
),"""
context = {"groupNames": rigidLinkGroupNames, "matNameID": "mat_0"}
f.write(template.format(**context))
f.write(
"""
)
)
"""
)
f.write(
"""
# STEP: DEFINE ELEMENTS
element = AFFE_CARA_ELEM(
MODELE = model,
POUTRE = ("""
)
for profile in profiles:
if (
profile["profileShape"] == "rectangular"
and profile["profileType"] == "AREA"
):
template = """
_F(
GROUP_MA = {groupNames},
SECTION = 'RECTANGLE',
CARA = ('HY', 'HZ'),
VALE = {profileDimensions}
),"""
context = {
"groupNames": tuple(
[self.getGroupName(rel) for rel in profile["relatedElements"]]
),
"profileDimensions": (
profile["xDim"] / ScaleFactor,
profile["yDim"] / ScaleFactor,
),
}
f.write(template.format(**context))
elif (
profile["profileShape"] == "iSymmetrical"
and profile["profileType"] == "AREA"
):
template = """
_F(
GROUP_MA = {groupNames},
SECTION = 'GENERALE',
CARA = ('A', 'IY', 'IZ', 'JX'),
VALE = {profileProperties}
),"""
context = {
"groupNames": tuple(
[self.getGroupName(rel) for rel in profile["relatedElements"]]
),
"profileProperties": (
profile["mechProps"]["crossSectionArea"] / ScaleFactor ** 2,
profile["mechProps"]["momentOfInertiaY"] / ScaleFactor ** 4,
profile["mechProps"]["momentOfInertiaZ"] / ScaleFactor ** 4,
profile["mechProps"]["torsionalConstantX"] / ScaleFactor ** 4,
),
}
f.write(template.format(**context))
if rigidLinkGroupNames:
template = """
_F(
GROUP_MA = {groupNames},
SECTION = 'RECTANGLE',
CARA = ('HY', 'HZ'),
VALE = {profileDimensions}
),"""
context = {"groupNames": rigidLinkGroupNames, "profileDimensions": (1, 1)}
f.write(template.format(**context))
f.write(
"""
),
COQUE = ("""
)
for el in [el for el in elements if el["geometryType"] == "surface"]:
template = """
_F(
GROUP_MA = '{groupName}',
EPAIS = {thickness},
VECTEUR = {localAxisX}
),"""
context = {
"groupName": self.getGroupName(el["referenceName"]),
"thickness": el["thickness"] / ScaleFactor,
"localAxisX": tuple(el["orientation"][0]),
}
f.write(template.format(**context))
f.write(
"""
),"""
)
f.write(
"""
ORIENTATION = ("""
)
for el in [el for el in elements if el["geometryType"] == "line"]:
template = """
_F(
GROUP_MA = '{groupName}',
CARA = 'VECT_Y',
VALE = {localAxisY}
),"""
context = {
"groupName": self.getGroupName(el["referenceName"]),
"localAxisY": tuple(el["orientation"][1]),
}
f.write(template.format(**context))
f.write(
"""
),"""
)
f.write(
"""
)\n
"""
)
f.write("# STEP: DEFINE SUPPORTS AND CONSTRAINTS")
f.write(
"""
liaisons = AFFE_CHAR_MECA(
MODELE = model,
DDL_IMPO = (
_F(
GROUP_NO = 'grdSupps',
DX = 0.0,
DY = 0.0,
DZ = 0.0,
DRX = 0.0,
DRY = 0.0,
DRZ = 0.0
)
),"""
)
if rigidLinkGroupNames:
f.write(
"""
LIAISON_SOLIDE = ("""
)
for groupName in rigidLinkGroupNames:
template = """
_F(
GROUP_MA = '{groupName}'
),"""
context = {"groupName": groupName}
f.write(template.format(**context))
f.write(
"""
),"""
)
f.write(
"""
)
"""
)
template = """
# STEP: DEFINE LOAD
gravLoad = AFFE_CHAR_MECA(
MODELE = model,
PESANTEUR = _F(
GRAVITE = {AccelOfGravity},
DIRECTION = (0.0, 0.0, -1.0)
)
)
"""
context = {
"AccelOfGravity": AccelOfGravity,
}
f.write(template.format(**context))
f.write(
"""
# STEP: RUN ANALYSIS
res_Bld = MECA_STATIQUE(
MODELE = model,
CHAM_MATER = material,
CARA_ELEM = element,
EXCIT = (
_F(
CHARGE = liaisons
),
_F(
CHARGE = gravLoad
)
)
)
"""
)
# f.write(
# '''
# # STEP: POST-PROCESSING
# res_Bld = CALC_CHAMP(
# reuse = res_Bld,
# RESULTAT = res_Bld,
# # CONTRAINTE = ('SIEF_ELNO', 'SIGM_ELNO', 'EFGE_ELNO',),
# FORCE = ('REAC_NODA', 'FORC_NODA',)
# )
# '''
# )
#
# template = \
# '''
# # STEP: MASS EXTRACTION FOR EACH ASSEMBLE
# FaceMass = POST_ELEM(
# TITRE = 'TotMass',
# MODELE = model,
# CARA_ELEM = element,
# CHAM_MATER = material,
# MASS_INER = _F(
# GROUP_MA = {massList},
# ),
# )\n'''
#
# context = {
# 'massList': massList,
# }
#
# f.write(template.format(**context))
#
# f.write(
# '''
# IMPR_TABLE(
# UNITE = 10,
# TABLE = FaceMass,
# SEPARATEUR = ',',
# NOM_PARA = ('LIEU', 'MASSE', 'CDG_X', 'CDG_Y', 'CDG_Z'),
# # FORMAT_R = '1PE15.6',
# )
# '''
# )
#
# template = \
# '''
# # STEP: REACTION EXTRACTION AT THE BASE
# Reacs = POST_RELEVE_T(
# ACTION = _F(
# INTITULE = 'sumReac',
# GROUP_NO = {groupNames},
# RESULTAT = res_Bld,
# NOM_CHAM = 'REAC_NODA',
# RESULTANTE = ('DX','DY','DZ',),
# MOMENT = ('DRX','DRY','DRZ',),
# POINT = (0,0,0,),
# OPERATION = 'EXTRACTION'
# )
# )
# '''
#
# context = {
# 'groupNames': point0DGroupNames,
# }
#
# f.write(template.format(**context))
#
# f.write(
# '''
# IMPR_TABLE(
# UNITE = 10,
# TABLE = Reacs,
# SEPARATEUR = ',',
# # NOM_PARA = ('INTITULE', 'RESU', 'NOM_CHAM', 'INST', 'DX','DY','DZ'),
# FORMAT_R = '1PE12.3',
# )
# '''
# )
#
f.write(
"""
# STEP: DEFORMED SHAPE EXTRACTION
IMPR_RESU(
FORMAT = 'MED',
UNITE = 80,
RESU = _F(
RESULTAT = res_Bld,
NOM_CHAM = ('DEPL',), # 'REAC_NODA', 'FORC_NODA',
NOM_CHAM_MED = ('Bld_DISP',), # 'Bld_REAC', 'Bld_FORC'
)
)
"""
)
f.write(
"""
# STEP: CONCLUDE STUDY
FIN()
"""
)
f.close()
if __name__ == "__main__":
fileNames = ["test"]
files = fileNames
for fileName in files:
BASE_PATH = Path(
"/home/jesusbill/Dev-Projects/github.com/IfcOpenShell/analysis-models/models/"
)
DATAFILENAME = BASE_PATH / fileName / f"{fileName}.json"
ASTERFILENAME = BASE_PATH / fileName / f"{fileName}.comm"
COMMANDFILE(DATAFILENAME, ASTERFILENAME)
@@ -0,0 +1,428 @@
# Ifc2CA - IFC Code_Aster utility
# Copyright (C) 2020, 2021 Ioannis P. Christovasilis <ipc@aethereng.com>
#
# This file is part of Ifc2CA.
#
# Ifc2CA is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ifc2CA 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Ifc2CA. If not, see <http://www.gnu.org/licenses/>.
from __future__ import division
from __future__ import print_function
import os
import time
import json
import salome
import salome_notebook
import salome_version
import numpy as np
import itertools
from pathlib import Path
flatten = itertools.chain.from_iterable
class MODEL:
def __init__(self, dataFilename, medFilename, meshSize, zGround):
self.dataFilename = dataFilename
self.medFilename = medFilename
self.meshSize = meshSize
self.zGround = zGround
self.tolLoc = 0
self.mesh = None
self.meshNodes = None
self.create()
def getGroupName(self, name):
if "|" in name:
info = name.split("|")
sortName = "".join(c for c in info[0] if c.isupper())
return f"{sortName[2:]}_{info[1]}"
else:
return name
def makePoint(self, pl):
"""Function to define a Point from
a polyline (list of 1 point)"""
(x, y, z) = pl
return self.geompy.MakeVertex(x, y, z)
def makeLine(self, pl):
"""Function to define a Line from
a polyline (list of 2 points)"""
(x, y, z) = pl[0]
P1 = self.geompy.MakeVertex(x, y, z)
(x, y, z) = pl[1]
P2 = self.geompy.MakeVertex(x, y, z)
return self.geompy.MakeLineTwoPnt(P1, P2)
def makeFace(self, pl):
"""Function to define a Face from
a polyline (list of points)"""
pointList = [None for _ in range(len(pl))]
for ip, (x, y, z) in enumerate(pl):
pointList[ip] = self.geompy.MakeVertex(x, y, z)
LineList = [None for _ in range(len(pl))]
for ip, P2 in enumerate(pointList):
P1 = pointList[ip - 1]
LineList[ip] = self.geompy.MakeLineTwoPnt(P1, P2)
return self.geompy.MakeFaceWires(LineList, 1)
def makeObject(self, geometry, geometryType):
if geometryType == "point":
return self.makePoint(geometry)
if geometryType == "line":
return self.makeLine(geometry)
if geometryType == "surface":
return self.makeFace(geometry)
def makePartition(self, objects, geometryType):
if geometryType == "point":
shapeType = "VERTEX"
if geometryType == "line":
shapeType = "EDGE"
if geometryType == "surface":
shapeType = "FACE"
return self.geompy.MakePartition(
objects, [], [], [], self.geompy.ShapeType[shapeType], 0, [], 1
)
def getLinkGeometry(self, ecc, orientation, finalPoint):
vector = np.array(orientation).transpose().dot(ecc["vector"])
initialPoint = (np.array(finalPoint) - vector).tolist()
return [initialPoint, finalPoint]
def length(self, geometry):
return (
(geometry[1][0] - geometry[0][0]) ** 2
+ (geometry[1][1] - geometry[0][1]) ** 2
+ (geometry[1][2] - geometry[0][2]) ** 2
) ** 0.5
def select(self, elements):
zmin = -100
zmax = 126300
for el in elements:
include = True
for p in el["geometry"]:
if p[2] < zmin or p[2] > zmax:
include = False
break
el["include"] = include
return [el for el in elements if el["include"]]
def create(self):
# Read data from input file
with open(self.dataFilename) as dataFile:
data = json.load(dataFile)
# print(len(data['elements']))
# elements = self.select(data['elements'])
# print(len(elements))
elements = data["elements"]
connections = data["connections"]
# --> Delete this reference data and repopulate it with the objects
# while going through elements
for conn in connections:
conn["relatedElements"] = []
# End <--
meshSize = self.meshSize
zGround = self.zGround
dec = 5 # 4 decimals for length in mm
tol = 10 ** (-dec - 3 + 1)
self.tolLoc = tol * 10 * 2
tolLoc = self.tolLoc
NEW_SALOME = int(salome_version.getVersion()[0]) >= 9
salome.salome_init()
theStudy = salome.myStudy
notebook = salome_notebook.NoteBook(theStudy)
###
### GEOM component
###
import GEOM
from salome.geom import geomBuilder
import math
import SALOMEDS
gg = salome.ImportComponentGUI("GEOM")
if NEW_SALOME:
geompy = geomBuilder.New()
else:
geompy = geomBuilder.New(theStudy)
self.geompy = geompy
O = geompy.MakeVertex(0, 0, 0)
OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
geompy.addToStudy(O, "O")
geompy.addToStudy(OX, "OX")
geompy.addToStudy(OY, "OY")
geompy.addToStudy(OZ, "OZ")
if len([e for e in elements if e["geometryType"] == "line"]) > 0:
buildingShapeType = "EDGE"
if len([e for e in elements if e["geometryType"] == "surface"]) > 0:
buildingShapeType = "FACE"
### Define entities ###
start_time = time.time()
print("Defining Object Geometry")
init_time = start_time
# Loop 1
for el in elements:
el["elemObj"] = self.makeObject(el["geometry"], el["geometryType"])
el["linkObjs"] = [None for _ in el["connections"]]
for j, rel in enumerate(el["connections"]):
conn = [
c for c in connections if c["referenceName"] == rel["relatedConnection"]
][0]
if rel["eccentricity"]:
rel["index"] = len(conn["relatedElements"]) + 1
geometry = self.getLinkGeometry(
rel["eccentricity"], el["orientation"], conn["geometry"]
)
el["linkObjs"][j] = self.makeObject(geometry, "line")
conn["relatedElements"].append(rel)
# Make assemble of Building Object
bldObjs = []
bldObjs.extend([el["elemObj"] for el in elements])
bldObjs.extend(
flatten([[link for link in el["linkObjs"] if link] for el in elements])
)
# bldComp = geompy.MakeCompound(bldObjs)
bldComp = geompy.MakePartition(
bldObjs, [], [], [], self.geompy.ShapeType[buildingShapeType], 0, [], 1
)
geompy.addToStudy(bldComp, "bldComp")
elapsed_time = time.time() - init_time
init_time += elapsed_time
print("Building Geometry Defined in %g sec" % (elapsed_time))
# Define and add groups for all curve, surface and rigid members
if len([e for e in elements if e["geometryType"] == "line"]) > 0:
# Make compound of requested group
compoundTemp = geompy.MakeCompound(
[e["elemObj"] for e in elements if e["geometryType"] == "line"]
)
# Define group object and add to study
curveCompound = geompy.GetInPlace(bldComp, compoundTemp, True)
geompy.addToStudyInFather(bldComp, curveCompound, "CurveMembers")
if len([e for e in elements if e["geometryType"] == "surface"]) > 0:
# Make compound of requested group
compoundTemp = geompy.MakeCompound(
[e["elemObj"] for e in elements if e["geometryType"] == "surface"]
)
# Define group object and add to study
surfaceCompound = geompy.GetInPlace(bldComp, compoundTemp, True)
geompy.addToStudyInFather(bldComp, surfaceCompound, "SurfaceMembers")
linkObjs = list(
flatten([[obj for obj in el["linkObjs"] if obj] for el in elements])
)
if len(linkObjs) > 0:
# Make compound of requested group
compoundTemp = geompy.MakeCompound(linkObjs)
# Define group object and add to study
rigidCompound = geompy.GetInPlace(bldComp, compoundTemp, True)
geompy.addToStudyInFather(bldComp, rigidCompound, "RigidMembers")
for el in elements:
# el['partObj'] = geompy.RestoreGivenSubShapes(bldComp, [el['partObj']], GEOM.FSM_GetInPlace, False, False)[0]
el["elemObj"] = geompy.GetInPlace(bldComp, el["elemObj"], True)
geompy.addToStudyInFather(
bldComp, el["elemObj"], self.getGroupName(el["referenceName"])
)
for j, rel in enumerate(el["connections"]):
if rel["eccentricity"]: # point geometry
el["linkObjs"][j] = geompy.GetInPlace(
bldComp, el["linkObjs"][j], True
)
geompy.addToStudyInFather(
bldComp,
el["linkObjs"][j],
self.getGroupName(el["referenceName"])
+ "_1DR_"
+ self.getGroupName(rel["relatedConnection"]),
)
elapsed_time = time.time() - init_time
init_time += elapsed_time
print("Building Geometry Groups Defined in %g sec" % (elapsed_time))
###
### SMESH component
###
import SMESH
from salome.smesh import smeshBuilder
print("Defining Mesh Components")
if NEW_SALOME:
smesh = smeshBuilder.New()
else:
smesh = smeshBuilder.New(theStudy)
bldMesh = smesh.Mesh(bldComp)
Regular_1D = bldMesh.Segment()
Local_Length_1 = Regular_1D.LocalLength(meshSize, None, tolLoc)
if buildingShapeType == "FACE":
NETGEN2D_ONLY = bldMesh.Triangle(algo=smeshBuilder.NETGEN_2D)
NETGEN2D_Pars = NETGEN2D_ONLY.Parameters()
NETGEN2D_Pars.SetMaxSize(meshSize)
NETGEN2D_Pars.SetOptimize(1)
NETGEN2D_Pars.SetFineness(2)
NETGEN2D_Pars.SetMinSize(meshSize / 5.0)
NETGEN2D_Pars.SetUseSurfaceCurvature(1)
NETGEN2D_Pars.SetQuadAllowed(1)
NETGEN2D_Pars.SetSecondOrder(0)
NETGEN2D_Pars.SetFuseEdges(254)
isDone = bldMesh.Compute()
coincident_nodes_on_part = bldMesh.FindCoincidentNodesOnPart(
[bldMesh], tolLoc, [], 0
)
if coincident_nodes_on_part:
# bldMesh.MergeNodes(coincident_nodes_on_part, [], 0)
# print(f'{len(coincident_nodes_on_part)} Sets of Coincident Nodes Found and Merged')
print(f"{len(coincident_nodes_on_part)} Sets of Coincident Nodes Found")
print(f"{coincident_nodes_on_part}")
## Set names of Mesh objects
smesh.SetName(Regular_1D.GetAlgorithm(), "Regular_1D")
smesh.SetName(Local_Length_1, "Local_Length_1")
if buildingShapeType == "FACE":
smesh.SetName(NETGEN2D_ONLY.GetAlgorithm(), "NETGEN2D_ONLY")
smesh.SetName(NETGEN2D_Pars, "NETGEN2D_Pars")
smesh.SetName(bldMesh.GetMesh(), "bldMesh")
elapsed_time = time.time() - init_time
init_time += elapsed_time
print("Meshing Operations Completed in %g sec" % (elapsed_time))
# Define and add groups for all curve, surface and rigid members
if len([e for e in elements if e["geometryType"] == "line"]) > 0:
tempgroup = bldMesh.GroupOnGeom(curveCompound, "CurveMembers", SMESH.EDGE)
smesh.SetName(tempgroup, "CurveMembers")
if len([e for e in elements if e["geometryType"] == "surface"]) > 0:
tempgroup = bldMesh.GroupOnGeom(surfaceCompound, "SurfaceMembers", SMESH.FACE)
smesh.SetName(tempgroup, "SurfaceMembers")
if len(linkObjs) > 0:
tempgroup = bldMesh.GroupOnGeom(rigidCompound, "RigidMembers", SMESH.EDGE)
smesh.SetName(tempgroup, "RigidMembers")
# Define groups in Mesh
for el in elements:
if el["geometryType"] == "line":
shapeType = SMESH.EDGE
if el["geometryType"] == "surface":
shapeType = SMESH.FACE
tempgroup = bldMesh.GroupOnGeom(
el["elemObj"], self.getGroupName(el["referenceName"]), shapeType
)
smesh.SetName(tempgroup, self.getGroupName(el["referenceName"]))
for j, rel in enumerate(el["connections"]):
if rel["eccentricity"]:
tempgroup = bldMesh.GroupOnGeom(
el["linkObjs"][j],
self.getGroupName(el["referenceName"])
+ "_1DR_"
+ self.getGroupName(rel["relatedConnection"]),
SMESH.EDGE,
)
smesh.SetName(
tempgroup,
self.getGroupName(el["referenceName"])
+ "_1DR_"
+ self.getGroupName(rel["relatedConnection"]),
)
self.mesh = bldMesh
self.meshNodes = bldMesh.GetNodesId()
# Find ground supports and extract node coordinates
grdSupps = bldMesh.CreateEmptyGroup(SMESH.NODE, "grdSupps")
for node in self.meshNodes:
coords = bldMesh.GetNodeXYZ(node)
if abs(coords[2] - self.zGround) < tolLoc:
grdSupps.Add([node])
smesh.SetName(grdSupps, "grdSupps")
elapsed_time = time.time() - init_time
init_time += elapsed_time
print("Mesh Groups Defined in %g sec" % (elapsed_time))
try:
if NEW_SALOME:
bldMesh.ExportMED(
self.medFilename,
auto_groups=0,
minor=40,
overwrite=1,
meshPart=None,
autoDimension=0,
)
else:
bldMesh.ExportMED(self.medFilename, 0, SMESH.MED_V2_2, 1, None, 0)
except:
print("ExportMED() failed. Invalid file name?")
if salome.sg.hasDesktop():
if NEW_SALOME:
salome.sg.updateObjBrowser()
else:
salome.sg.updateObjBrowser(1)
elapsed_time = init_time - start_time
print("ALL Operations Completed in %g sec" % (elapsed_time))
if __name__ == "__main__":
fileNames = ["test"]
files = fileNames
meshSize = 0.5
zGround = 0
for fileName in files:
BASE_PATH = Path(
"/home/jesusbill/Dev-Projects/github.com/IfcOpenShell/analysis-models/models/"
)
DATAFILENAME = BASE_PATH / fileName / f"{fileName}.json"
MEDFILENAME = BASE_PATH / fileName / f"{fileName}.med"
model = MODEL(DATAFILENAME, str(MEDFILENAME), meshSize, zGround)