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sanathkeshavsanathkeshav
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Integrate TexGen (#4)
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-8787
lines changed

14 files changed

+9780
-8787
lines changed

‎MSUtils/TexGen/2dweave.py‎

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# =============================================================================
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# TexGen: Geometric textile modeller.
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# Copyright (C) 2015 Louise Brown
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# =============================================================================
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# Python 3 version used runpy module to execute scripts from TexGen GUI which requires import of library
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from TexGen.Core import *
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# Create a 4x4 2d woven textile with yarn spacing of 5 and thickness 2
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# The fifth parameter indicates whether to refine the textile to avoid intersections
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Textile = CTextileWeave2D(4, 4, 5, 2, False)
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# Set the weave pattern
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Textile.SwapPosition(3, 0)
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Textile.SwapPosition(2, 1)
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Textile.SwapPosition(1, 2)
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Textile.SwapPosition(0, 3)
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# Adjust the yarn width and height
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Textile.SetYarnWidths(4)
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Textile.SetYarnHeights(0.8)
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# Setup a domain
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Textile.AssignDefaultDomain()
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# Add the textile
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AddTextile(Textile)
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###################################################
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# Export to voxel mesh and convert to h5 and xdmf
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###################################################
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from MSUtils.general.vtk2h5 import vtk2h5
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from MSUtils.general.h52xdmf import write_xdmf
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import os
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# choose resolution
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nx, ny, nz = 128, 128, 128
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vm = CRectangularVoxelMesh()
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vm.SaveVoxelMesh(
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Textile,
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"data/2dweave.vtu",
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nx,
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ny,
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nz,
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False,
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True,
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NO_BOUNDARY_CONDITIONS,
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0,
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VTU_EXPORT,
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)
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vtk2h5(
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vtk_files=["data/2dweave.vtu"],
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h5_file_path="data/TexGen_2dweave.h5",
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grp_name="/",
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overwrite=True,
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data_fields=["YarnIndex", "Orientation"],
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)
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os.remove("data/2dweave.vtu")
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write_xdmf(
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h5_filepath="data/TexGen_2dweave.h5",
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xdmf_filepath="data/TexGen_2dweave.xdmf",
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microstructure_length=[20, 20, 2.2],
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time_series=False,
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verbose=True,
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)

‎MSUtils/TexGen/DecoupledLToLTextile.py‎

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# DecoupledLToLTextile.py
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# Python 3 version used runpy module to execute scripts from TexGen GUI which requires import of library
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from TexGen.Core import *
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# Set up 3D Weave textile
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numBinderLayers = 2
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numXYarns = 4
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numWefts = 6
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warpSpacing = 1.42
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weftSpacing = 1.66
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warpHeight = 0.3
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weftHeight = 0.3
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Textile = CTextileDecoupledLToL(
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numXYarns,
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numWefts,
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warpSpacing,
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weftSpacing,
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warpHeight,
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weftHeight,
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numBinderLayers,
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True,
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)
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# set number of binder / warp yarns
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NumBinderYarns = 2
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BinderRatio = 1
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WarpRatio = 1
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Textile.SetWarpRatio(WarpRatio)
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Textile.SetBinderRatio(BinderRatio)
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# Set up layers: 2 warp, 3 weft
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Textile.SetupLayers(2, 3, numBinderLayers)
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# Define offsets for the two binder yarns
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binderYarns = [
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[[0, 1, 1, 2, 1, 0], [3, 2, 3, 3, 2, 3]],
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[[1, 0, 1, 0, 2, 1], [2, 3, 2, 2, 3, 2]],
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]
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# Check if length of binderYarns positions equal to numWefts
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for z in range(NumBinderYarns):
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for y in range(numBinderLayers):
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if len(binderYarns[z][y]) != numWefts:
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raise Exception(
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"Too many binder yarn positions specified, must be equal to number of wefts."
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)
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binderWidth = 1.2
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binderHeight = 0.3
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warpWidth = 1.2
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weftWidth = 1.2
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Textile.SetYYarnWidths(weftWidth)
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Textile.SetXYarnWidths(warpWidth)
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Textile.SetBinderYarnWidths(binderWidth)
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Textile.SetBinderYarnHeights(binderHeight)
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Textile.SetBinderYarnPower(0.2)
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Textile.SetWarpYarnPower(1.0)
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Textile.SetWeftYarnPower(1.0)
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# Decompose binder yarn offsets into stacks
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repeat = BinderRatio + WarpRatio
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# Loop for the number of binder yarn stacks
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for z in range(NumBinderYarns):
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# Loop through the weft stacks
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for x in range(numWefts):
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zOffsets = IntVector()
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# Loop through binder layers
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for y in range(numBinderLayers):
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zOffsets.push_back(int(binderYarns[z][y][x]))
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# Calculate the binder y position (ie warp yarn index)
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ind = z / BinderRatio
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BinderIndex = WarpRatio + (ind * repeat) + z % BinderRatio
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Textile.SetBinderPosition(x, int(BinderIndex), zOffsets)
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Textile.SetWeftRepeat(True)
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Textile.AssignDefaultDomain()
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Textile.SetFibresPerYarn(WARP, 12000)
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Textile.SetFibresPerYarn(WEFT, 12000)
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Textile.SetFibresPerYarn(BINDER, 12000)
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Textile.SetFibreDiameter(WARP, 0.0026, "mm")
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Textile.SetFibreDiameter(WEFT, 0.0026, "mm")
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Textile.SetFibreDiameter(BINDER, 0.0026, "mm")
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Textile.BuildTextile()
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AddTextile(Textile)
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###################################################
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# Export to voxel mesh and convert to h5 and xdmf
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###################################################
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from MSUtils.general.vtk2h5 import vtk2h5
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from MSUtils.general.h52xdmf import write_xdmf
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import os
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# choose resolution
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nx, ny, nz = 128, 128, 128
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vm = CRectangularVoxelMesh()
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vm.SaveVoxelMesh(
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Textile,
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"data/DecoupledLToLTextile.vtu",
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nx,
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ny,
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nz,
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False,
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True,
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NO_BOUNDARY_CONDITIONS,
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0,
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VTU_EXPORT,
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)
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vtk2h5(
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vtk_files=["data/DecoupledLToLTextile.vtu"],
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h5_file_path="data/TexGen_DecoupledLToLTextile.h5",
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grp_name="/",
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overwrite=True,
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data_fields=["YarnIndex", "Orientation"],
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)
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os.remove("data/DecoupledLToLTextile.vtu")
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write_xdmf(
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h5_filepath="data/TexGen_DecoupledLToLTextile.h5",
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xdmf_filepath="data/TexGen_DecoupledLToLTextile.xdmf",
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microstructure_length=[9.96, 5.68, 2.31],
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time_series=False,
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verbose=True,
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)

‎MSUtils/TexGen/LayeredTextile2.py‎

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# =============================================================================
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# TexGen: Geometric textile modeller.
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# Copyright (C) 2015 Louise Brown
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# =============================================================================
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# Python 3 version used runpy module to execute scripts from TexGen GUI which requires import of library
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from TexGen.Core import *
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# Create a 4x4 satin weave with yarn spacing of 1 and thickness of 0.2
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weave = CTextileWeave2D(4, 4, 1, 0.2, False, False)
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weave.SetGapSize(0)
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# Set the weave pattern
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weave.SwapPosition(0, 3)
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weave.SwapPosition(1, 2)
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weave.SwapPosition(2, 1)
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weave.SwapPosition(3, 0)
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# Adjust the yarn widths and heights
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weave.SetYarnWidths(0.8)
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weave.SetYarnHeights(0.1)
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# Assign the domain
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weave.AssignDefaultDomain()
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# Create a layered textile
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LayeredTextile = CTextileLayered()
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# Add the first layer with specified offset
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Offset = XYZ(0.25, 0.5, 0)
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LayeredTextile.AddLayer(weave, Offset)
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# Create 2nd textile: Plain weave, spacing of 1 and thickness 0.2
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weave1 = CTextileWeave2D(2, 2, 1, 0.25, False, False)
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weave1.SetGapSize(0)
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weave1.SetYarnWidths(0.8)
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weave1.SwapPosition(0, 1)
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weave1.SwapPosition(1, 0)
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weave1.SetXYarnWidths(0, 0.9)
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weave1.SetXYarnHeights(0, 0.12)
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weave1.SetXYarnSpacings(0, 1)
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weave1.SetXYarnWidths(1, 0.8)
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weave1.SetXYarnHeights(1, 0.1)
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weave1.SetXYarnSpacings(1, 1)
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weave1.SetYYarnWidths(0, 0.8)
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weave1.SetYYarnHeights(0, 0.1)
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weave1.SetYYarnSpacings(0, 1)
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weave1.SetYYarnWidths(1, 0.9)
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weave1.SetYYarnHeights(1, 0.12)
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weave1.SetYYarnSpacings(1, 1)
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weave1.AssignDefaultDomain()
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# Offsets for second layer. z offset is height of first textile
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Offset = XYZ(0.4, 0.2, 0.2)
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# Add the second textile to the layered textile
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LayeredTextile.AddLayer(weave1, Offset)
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# Get the size of the domain for the second textile
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Domain1 = weave1.GetDefaultDomain()
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Min = XYZ()
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Max = XYZ()
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Domain1.GetBoxLimits(Min, Max)
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# Get the domain of the first textile
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Domain = weave.GetDefaultDomain()
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Plane = PLANE()
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# Get the domain upper surface
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index = Domain.GetPlane(XYZ(0, 0, -1), Plane)
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# Offset the domain to include the second textile
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Plane.d -= Max.z - Min.z
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Domain.SetPlane(index, Plane)
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LayeredTextile.AssignDomain(Domain)
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# Add the textile with the name "LayeredTextile"
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AddTextile("LayeredTextile", LayeredTextile)
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###################################################
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# Export to voxel mesh and convert to h5 and xdmf
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###################################################
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from MSUtils.general.vtk2h5 import vtk2h5
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from MSUtils.general.h52xdmf import write_xdmf
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import os
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# choose resolution
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nx, ny, nz = 128, 128, 128
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vm = CRectangularVoxelMesh()
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vm.SaveVoxelMesh(
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LayeredTextile,
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"data/LayeredTextile2.vtu",
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nx,
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ny,
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nz,
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False,
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True,
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NO_BOUNDARY_CONDITIONS,
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0,
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VTU_EXPORT,
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)
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vtk2h5(
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vtk_files=["data/LayeredTextile2.vtu"],
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h5_file_path="data/TexGen_LayeredTextile2.h5",
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grp_name="/",
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overwrite=True,
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data_fields=["YarnIndex", "Orientation"],
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)
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os.remove("data/LayeredTextile2.vtu")
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write_xdmf(
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h5_filepath="data/TexGen_LayeredTextile2.h5",
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xdmf_filepath="data/TexGen_LayeredTextile2.xdmf",
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microstructure_length=[4, 4, 0.5],
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time_series=False,
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verbose=True,
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)

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