120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
75 lines
2.9 KiB
Python
75 lines
2.9 KiB
Python
def ApplyingBC_IC(Casedir,YoungModulus,PoissonCoeff,OUTER_GRID_No1,OUTER_GRID_No2,OUTER_GRID_No3) :
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# Variables generales
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import os,subprocess
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#
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AC_file = open (str(Casedir + "/" + "Applied_Conditions.txt"),'w')
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#
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# a) BOUNDARY conditions in order to prevent the billet to any solid displacement
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AC_file.write("** \n")
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AC_file.write("** BOUNDARY Conditions :\n")
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AC_file.write("*BOUNDARY\n")
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AC_file.write("%i, 1, 3\n" %OUTER_GRID_No1)
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AC_file.write("*BOUNDARY\n")
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AC_file.write("%i, 2, 3\n" %OUTER_GRID_No2)
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AC_file.write("*BOUNDARY \n")
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AC_file.write("%i, 3\n" %OUTER_GRID_No3)
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AC_file.write("** \n")
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#
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# b) MATERIAL description :
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MAT_NAME = "EL"
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AC_file.write("*MATERIAL, NAME=%s \n" %MAT_NAME)
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AC_file.write("*ELASTIC \n")
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AC_file.write("%f, %f \n" %(YoungModulus,PoissonCoeff))
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# Assign the material properties to the desired group of elements :
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AC_file.write("*SOLID SECTION, ELSET=Eall, MATERIAL=%s \n" %MAT_NAME)
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AC_file.write("** \n")
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#
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# c) Define the load :
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AC_file.write("** LOAD :\n")
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#-Load_1: Points Loading :
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#-Load_1: AC_file.write("*NSET, NSET=LOAD \n") # list of Nodes where Concentrated Load will be applied
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#-Load_1: AC_file.write("??, ??, ??, ... \n")
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#-Load_2 : For applying Internal (residual) stresses (cf. user-subroutine "sigini.f") :
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AC_file.write("*INITIAL CONDITIONS, TYPE=STRESS, USER \n")
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#
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# d) FEM-calculation pilote :
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AC_file.write("** \n")
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AC_file.write("*STEP \n")
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AC_file.write("*STATIC \n")
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#-Load_1: AC_file.write("*CLOAD \n") # for Applying Concentrated Load
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#-Load_1: AC_file.write("LOAD,3,Magnitude_per_Node \n") # force acting in the Z-dir, force magnitude per Node
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#
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# e) Specify the OUTPUT requested :
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AC_file.write("** OUTPUT REQUESTS \n")
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# If one wants to store each 0^th step the results of present calculation for future restarts
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# AC_file.write("*Restart, write, frequency=0 \n")
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AC_file.write("*NODE FILE \n")
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AC_file.write("U \n") # displacements expressed in the GLOBAL Coord System
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# AC_file.write("** \n")
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AC_file.write("*EL FILE \n")
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AC_file.write("S \n") # (Cauchy) Stresses
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#
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AC_file.write("*NODE PRINT , NSET=Nall \n")
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AC_file.write("U \n") # displacements expressed in the GLOBAL Coord System
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# AC_file.write("** \n")
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AC_file.write("*EL PRINT , ELSET=Eall \n")
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AC_file.write("S \n") # (Cauchy) Stresses
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# AC_file.write("** \n")
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#
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AC_file.write("*END STEP")
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#
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AC_file.close()
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os.chdir(str(Casedir))
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if os.name != "posix":
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process = subprocess.Popen("type geometry_fe_input.inp Applied_Conditions.txt> final_fe_input.inp",shell=True)
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process.wait()
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process = subprocess.Popen("del /Q geometry_fe_input.inp",shell=True)
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process.wait()
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else:
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CommandLine = "cat Applied_Conditions.txt >> geometry_fe_input.inp"
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#
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return
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