50 lines
1.7 KiB
Python
Executable File
50 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import sys
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from io import StringIO
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from optparse import OptionParser
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import damask
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [ASCIItable(s)]', description = """
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Add column containing Cauchy stress based on deformation gradient and first Piola--Kirchhoff stress.
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""", version = scriptID)
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parser.add_option('-f','--defgrad',
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dest = 'defgrad',
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type = 'string', metavar = 'string',
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help = 'heading of columns containing deformation gradient [%default]')
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parser.add_option('-p','--stress',
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dest = 'stress',
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type = 'string', metavar = 'string',
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help = 'heading of columns containing first Piola--Kirchhoff stress [%default]')
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parser.set_defaults(defgrad = 'f',
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stress = 'p',
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)
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(options,filenames) = parser.parse_args()
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if filenames == []: filenames = [None]
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for name in filenames:
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damask.util.report(scriptName,name)
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table = damask.Table.from_ASCII(StringIO(''.join(sys.stdin.read())) if name is None else name)
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table.add('Cauchy',
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damask.mechanics.Cauchy(table.get(options.stress ).reshape(-1,3,3),
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table.get(options.defgrad).reshape(-1,3,3)).reshape(-1,9),
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scriptID+' '+' '.join(sys.argv[1:]))
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table.to_ASCII(sys.stdout if name is None else name)
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