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Fix: fillet radius on all structures

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Move: StructureGeometry class to geometry.py
This commit is contained in:
L-Nafaryus 2021-10-13 21:47:46 +05:00
parent 1d36353628
commit c57ac1154a
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GPG Key ID: C76D8DCD2727DBB7
11 changed files with 266 additions and 403 deletions
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212
anisotropy/salomepl/geometry.py
View File

@ -4,22 +4,212 @@
import logging
logger = logging.getLogger("anisotropy")
GEOM_IMPORTED = False
try:
import GEOM
from salome.geom import geomBuilder
except ImportError:
logger.debug("Trying to get SALOME geometry modules outside SALOME environment. Modules won't be imported.")
GEOM_IMPORTED = True
if globals().get("geomBuilder"):
geompy = geomBuilder.New()
else:
geompy = None
def getGeom():
return geompy
except:
pass
class StructureGeometry(object):
def __init__(
self,
direction: list = None,
theta: float = None,
r0: float = 1,
#L: float = None,
#radius: float = None,
filletsEnabled: bool = False,
#fillets: float = None,
**kwargs
):
"""Constructor method.
:param direction:
Flow vector that characterizes geometry.
:param theta:
Spheres overlap parameter.
:param r0:
Initial spheres radius.
:param filletsEnabled:
Enable fillets beetween spheres.
"""
# Geometry parameters
self.direction = direction
self.theta = theta
self.r0 = r0
self.filletsEnabled = filletsEnabled
#self.fillets = fillets
# General attributes
self.shape = None
self.groups = []
self.shapeCell = None
self.shapeLattice = None
# Geometry module
if not GEOM_IMPORTED:
raise ImportError("Cannot find the salome modules.")
else:
self.geo = geomBuilder.New()
@property
def name(self):
"""(Override) Shape name.
"""
pass
@property
def L(self):
"""(Override) Parameter depending on the ``r0``.
"""
pass
@property
def radius(self):
"""Spheres radius
"""
return self.r0 / (1 - self.theta)
@property
def volumeCell(self):
"""General volume of the cell.
"""
return self.geo.BasicProperties(self.shapeCell, theTolerance = 1e-06)[2]
@property
def volume(self):
"""Volume of the structure.
"""
return self.geo.BasicProperties(self.shape, theTolerance = 1e-06)[2]
@property
def porosity(self):
"""Porosity of the structure.
"""
return self.volume / self.volumeCell
def build(self):
"""(Override) Construct shape and physical groups.
"""
pass
def isValid(self) -> (bool, str):
"""Check a topology of the given shape.
:return:
True, if the shape "seems to be valid" else False and description.
"""
return self.geo.CheckShape(self.shape, theIsCheckGeom = True, theReturnStatus = 1)
def heal(self):
"""Try to heal the shape.
"""
self.shape = self.geo.RemoveExtraEdges(self.shape, doUnionFaces = False)
def createGroupAll(self, mainShape):
"""Create group from all the shape faces.
:param mainShape:
Input shape.
:return:
Created group.
"""
group = self.geo.CreateGroup(mainShape, self.geo.ShapeType["FACE"])
self.geo.UnionIDs(
group,
self.geo.SubShapeAllIDs(mainShape, self.geo.ShapeType["FACE"])
)
return group
def createGroup(self, mainShape, subShape, name: str, cutShapes: list = None, scaleTransform: float = None):
"""Create group from the sub shape.
:param mainShape:
Input shape.
:param subShape:
Input sub shape.
:param name:
Name of the new group.
:param cutShapes:
List of shapes for cut from the sub shape.
:param scaleTransform:
Value of the scale transform regarding to the zero point.
:return:
Created group.
"""
group = self.geo.CreateGroup(mainShape, self.geo.ShapeType["FACE"], theName = name)
if cutShapes:
subShape = self.geo.MakeCutList(subShape, cutShapes)
if scaleTransform:
subShape = self.geo.MakeScaleTransform(subShape, self.geo.MakeVertex(0, 0, 0), scaleTransform)
self.geo.UnionList(
group,
self.geo.SubShapeAll(
self.geo.GetInPlace(mainShape, subShape, True),
self.geo.ShapeType["FACE"]
)
)
return group
def export(
filename: str,
deflection: float = 0.001
):
"""Export a shape.
Supported formats: step, vtk.
:param filename:
Name of the file to store the given shape in.
:param deflection:
vtk: Deflection of the given shape.
:return:
Output, error messages and returncode
"""
out, err, returncode = "", "", 0
ext = os.path.splitext(filename)[1][1: ]
try:
if ext == "step":
self.geo.ExportSTEP(self.shape, filename) # theUnit = GEOM.LU_METER)
elif ext == "vtk":
self.geo.ExportVTK(self.shape, filename, theDeflection = deflection)
else:
raise NotImplementedError(f"{ ext } is not supported")
except NotImplementedError as e:
err = e
returncode = 1
except Exception as e:
err = e.details.text
returncode = 1
return out, err, returncode

32
anisotropy/samples/bodyCentered.py
View File

@ -2,8 +2,8 @@
# This file is part of anisotropy.
# License: GNU GPL version 3, see the file "LICENSE" for details.
from anisotropy.samples.structure import StructureGeometry
from math import pi, sqrt
from anisotropy.salomepl.geometry import StructureGeometry
from numpy import pi, sqrt, cos, arccos, fix
import logging
class BodyCentered(StructureGeometry):
@ -27,19 +27,14 @@ class BodyCentered(StructureGeometry):
@property
def fillets(self):
if self.direction == [1.0, 1.0, 1.0]:
C1, C2 = 0.3, 0.2
Cf = C1 + (C2 - C1) / (self.thetaMax - self.thetaMin) * (self.theta - self.thetaMin)
delta = 0.02
return delta - Cf * (self.radius - self.r0)
else:
C1, C2 = 0.3, 0.2
Cf = C1 + (C2 - C1) / (self.thetaMax - self.thetaMin) * (self.theta - self.thetaMin)
delta = 0.02
return delta - Cf * (self.radius - self.r0)
analytical = self.r0 * (sqrt(2) / sqrt(1 - cos(pi - 2 * arccos(sqrt(2 / 3)))) -
1 / (1 - self.theta))
# ISSUE: MakeFilletAll : Fillet can't be computed on the given shape with the given radius.
# Temporary solution: degrade the precision (minRound <= analytical).
rTol = 3
minRound = fix(10 ** rTol * analytical) * 10 ** -rTol
return minRound
def build(self):
###
@ -172,7 +167,7 @@ class BodyCentered(StructureGeometry):
raise Exception(f"Direction { self.direction } is not implemented")
###
# Grains
# Lattice
##
ox = self.geo.MakeVectorDXDYDZ(1, 0, 0)
oy = self.geo.MakeVectorDXDYDZ(0, 1, 0)
@ -184,10 +179,7 @@ class BodyCentered(StructureGeometry):
lattice1 = self.geo.MakeMultiTranslation2D(grain, ox, self.L, xn, oy, self.L, yn)
lattice1 = self.geo.MakeMultiTranslation1D(lattice1, oz, self.L, zn)
#grain = self.geo.MakeSpherePntR(self.geo.MakeVertex(*spos2), radius)
#lattice2 = self.geo.MakeMultiTranslation2D(grain, xy, length, xn + 1, xmy, length, yn + 1)
#lattice2 = self.geo.MakeMultiTranslation1D(lattice2, oz, L, zn)
lattice2 = self.geo.MakeTranslation(lattice1, 0.5 * self.L, 0.5 * self.L, 0.5 * self.L)
lattice2 = self.geo.MakeTranslation(lattice1, -0.5 * self.L, -0.5 * self.L, -0.5 * self.L)
grains = self.geo.ExtractShapes(lattice1, self.geo.ShapeType["SOLID"], True)
grains += self.geo.ExtractShapes(lattice2, self.geo.ShapeType["SOLID"], True)

16
anisotropy/samples/faceCentered.py
View File

@ -2,8 +2,8 @@
# This file is part of anisotropy.
# License: GNU GPL version 3, see the file "LICENSE" for details.
from anisotropy.samples.structure import StructureGeometry
from math import pi, sqrt
from anisotropy.salomepl.geometry import StructureGeometry
from numpy import pi, sqrt, fix
import logging
class FaceCentered(StructureGeometry):
@ -27,11 +27,13 @@ class FaceCentered(StructureGeometry):
@property
def fillets(self):
if self.direction == [1.0, 1.0, 1.0]:
return self.filletsScale * (2 * sqrt(3) / 3 - 1 / (1 - self.theta)) * self.r0
else:
return self.filletsScale * (2 * sqrt(3) / 3 - 1 / (1 - self.theta)) * self.r0
analytical = self.r0 * (2 * sqrt(3) / 3 - 1 / (1 - self.theta))
# ISSUE: MakeFilletAll : Fillet can't be computed on the given shape with the given radius.
# Temporary solution: degrade the precision (minRound <= analytical).
rTol = 3
minRound = fix(10 ** rTol * analytical) * 10 ** -rTol
return minRound
def build(self):
###

29
anisotropy/samples/simple.py
View File

@ -2,8 +2,9 @@
# This file is part of anisotropy.
# License: GNU GPL version 3, see the file "LICENSE" for details.
from anisotropy.samples.structure import StructureGeometry
from math import pi, sqrt
from anisotropy.salomepl.geometry import StructureGeometry
from numpy import pi, sqrt, fix
import logging
class Simple(StructureGeometry):
@property
@ -26,20 +27,13 @@ class Simple(StructureGeometry):
@property
def fillets(self):
if self.direction == [1.0, 1.0, 1.0]:
C1, C2 = 0.8, 0.5
Cf = C1 + (C2 - C1) / (self.thetaMax - self.thetaMin) * (self.theta - self.thetaMin)
delta = 0.2
return delta - Cf * (self.radius - self.r0)
else:
C1, C2 = 0.8, 0.5
Cf = C1 + (C2 - C1) / (self.thetaMax - self.thetaMin) * (self.theta - self.thetaMin)
delta = 0.2
return delta - Cf * (self.radius - self.r0)
analytical = self.r0 * (sqrt(2) - 1 / (1 - self.theta))
# ISSUE: MakeFilletAll : Fillet can't be computed on the given shape with the given radius.
# Temporary solution: degrade the precision (minRound <= analytical).
rTol = 3
minRound = fix(10 ** rTol * analytical) * 10 ** -rTol
return minRound
def build(self):
###
@ -192,9 +186,10 @@ class Simple(StructureGeometry):
self.shape = self.geo.MakeCutList(poreCell, [grains])
self.shape = self.geo.MakeScaleTransform(self.shape, oo, 1 / scale, theName = self.name)
isValid, _ = self.isValid()
isValid, msg = self.isValid()
if not isValid:
logging.warning(msg)
self.heal()
###

197
anisotropy/samples/structure.py
View File

@ -1,197 +0,0 @@
# -*- coding: utf-8 -*-
# This file is part of anisotropy.
# License: GNU GPL version 3, see the file "LICENSE" for details.
from anisotropy.salomepl import geometry
class StructureGeometry(object):
def __init__(
self,
direction: list = None,
theta: float = None,
r0: float = 1,
#L: float = None,
#radius: float = None,
filletsEnabled: bool = False,
#fillets: float = None,
**kwargs
):
"""Constructor method.
:param direction:
Flow vector that characterizes geometry.
:param theta:
Spheres overlap parameter.
:param r0:
Initial spheres radius.
:param filletsEnabled:
Enable fillets beetween spheres.
"""
# Geometry parameters
self.direction = direction
self.theta = theta
self.r0 = r0
self.filletsEnabled = filletsEnabled
#self.fillets = fillets
# General attributes
self.geo = geometry.getGeom()
self.shape = None
self.groups = []
self.shapeCell = None
self.shapeLattice = None
@property
def name(self):
"""(Override) Shape name.
"""
pass
@property
def L(self):
"""(Override) Parameter depending on the ``r0``.
"""
pass
@property
def radius(self):
"""Spheres radius
"""
return self.r0 / (1 - self.theta)
@property
def volumeCell(self):
"""General volume of the cell.
"""
return self.geo.BasicProperties(self.shapeCell, theTolerance = 1e-06)[2]
@property
def volume(self):
"""Volume of the structure.
"""
return self.geo.BasicProperties(self.shape, theTolerance = 1e-06)[2]
@property
def porosity(self):
"""Porosity of the structure.
"""
return self.volume / self.volumeCell
def build(self):
"""(Override) Construct shape and physical groups.
"""
pass
def isValid(self) -> (bool, str):
"""Check a topology of the given shape.
:return:
True, if the shape "seems to be valid" else False and description.
"""
return self.geo.CheckShape(self.shape, theIsCheckGeom = True, theReturnStatus = 1)
def heal(self):
"""Try to heal the shape.
"""
self.shape = self.geo.RemoveExtraEdges(self.shape, doUnionFaces = False)
def createGroupAll(self, mainShape):
"""Create group from all the shape faces.
:param mainShape:
Input shape.
:return:
Created group.
"""
group = self.geo.CreateGroup(mainShape, self.geo.ShapeType["FACE"])
self.geo.UnionIDs(
group,
self.geo.SubShapeAllIDs(mainShape, self.geo.ShapeType["FACE"])
)
return group
def createGroup(self, mainShape, subShape, name: str, cutShapes: list = None, scaleTransform: float = None):
"""Create group from the sub shape.
:param mainShape:
Input shape.
:param subShape:
Input sub shape.
:param name:
Name of the new group.
:param cutShapes:
List of shapes for cut from the sub shape.
:param scaleTransform:
Value of the scale transform regarding to the zero point.
:return:
Created group.
"""
group = self.geo.CreateGroup(mainShape, self.geo.ShapeType["FACE"], theName = name)
if cutShapes:
subShape = self.geo.MakeCutList(subShape, cutShapes)
if scaleTransform:
subShape = self.geo.MakeScaleTransform(subShape, self.geo.MakeVertex(0, 0, 0), scaleTransform)
self.geo.UnionList(
group,
self.geo.SubShapeAll(
self.geo.GetInPlace(mainShape, subShape, True),
self.geo.ShapeType["FACE"]
)
)
return group
def export(
filename: str,
deflection: float = 0.001
):
"""Export a shape.
Supported formats: step, vtk.
:param filename:
Name of the file to store the given shape in.
:param deflection:
vtk: Deflection of the given shape.
:return:
Output, error messages and returncode
"""
out, err, returncode = "", "", 0
ext = os.path.splitext(filename)[1][1: ]
try:
if ext == "step":
self.geo.ExportSTEP(self.shape, filename) # theUnit = GEOM.LU_METER)
elif ext == "vtk":
self.geo.ExportVTK(self.shape, filename, theDeflection = deflection)
else:
raise NotImplementedError(f"{ ext } is not supported")
except NotImplementedError as e:
err = e
returncode = 1
except Exception as e:
err = e.details.text
returncode = 1
return out, err, returncode

2
playground/database.ipynb
View File

@ -454,7 +454,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.6"
"version": "3.10.0"
}
},
"nbformat": 4,

167
playground/geometry.ipynb
View File

File diff suppressed because one or more lines are too long

4
playground/mesh.py
View File

@ -20,7 +20,7 @@ class Netgen3D(MeshAlgorithm):
self.hypo.SetMinSize(value)
class MEFISTO(MeshAlgorithm):
pass
class Mesh(object):
def __init__(self, geom):
@ -116,4 +116,4 @@ class Mesh(object):
returncode = 1
return out, err, returncode

5
playground/salome-run.py Normal file
View File

@ -0,0 +1,5 @@
# -*- coding: utf-8 -*-
import sys; path = "/home/nafaryus/projects/anisotropy"; sys.path.extend([path, path + "/env/lib/python3.10/site-packages"])
from anisotropy.samples import Simple, FaceCentered
s = Simple([1, 0, 0], 0.28, filletsEnabled = True)

3
playground/test_smesh.py
View File

@ -17,3 +17,6 @@ mesh = smesh.Mesh(SHAPE)
algo = mesh.Tetrahedron(algo = ALGO)
###
# fc 111 0.12 N3D N2D(0.1, 0.0001, Mod)
# 3min 321k

2
playground/training-models.ipynb
View File

@ -295,7 +295,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.6"
"version": "3.10.0"
}
},
"nbformat": 4,