FEM: ccx frd reader: add reading temperature related results
This commit is contained in:
vdwalts
wmayer
parent
4838dd317f
commit
d4e3ea7cb6
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@ -2,6 +2,7 @@
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# * *
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# * Copyright (c) 2013 - Joachim Zettler *
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# * Copyright (c) 2013 - Juergen Riegel <FreeCAD@juergen-riegel.net> *
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# * Copyright (c) 2016 - Bernd Hahnebach <bernd@bimstatik.org> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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@ -27,7 +28,7 @@ import os
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from math import pow, sqrt
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__title__ = "FreeCAD Calculix library"
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__author__ = "Juergen Riegel "
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__author__ = "Juergen Riegel , Michael Hindley, Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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if open.__module__ == '__builtin__':
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@ -36,6 +37,11 @@ if open.__module__ == '__builtin__':
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# read a calculix result file and extract the nodes, displacement vectores and stress values.
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def readResult(frd_input):
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# get line count
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frd_file = pyopen(frd_input, "r")
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num_lines_frd = float(sum(1 for line in frd_file))
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frd_file.close()
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frd_file = pyopen(frd_input, "r")
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nodes = {}
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elements_hexa8 = {}
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@ -53,15 +59,21 @@ def readResult(frd_input):
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mode_results = {}
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mode_disp = {}
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mode_stress = {}
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mode_temp = {}
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mode_disp_found = False
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nodes_found = False
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mode_stress_found = False
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mode_temp_found = False
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mode_time_found = False
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elements_found = False
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input_continues = False
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eigenmode = 0
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elem = -1
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elemType = 0
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timestep = 0
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timetemp = 0
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linenum = 0
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for line in frd_file:
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# Check if we found nodes section
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@ -261,6 +273,20 @@ def readResult(frd_input):
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stress_5 = float(line[61:73])
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stress_6 = float(line[73:85])
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mode_stress[elem] = (stress_1, stress_2, stress_3, stress_4, stress_5, stress_6)
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# Check if we found a time step
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if line[4:10] == "1PSTEP":
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mode_time_found = True
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if mode_time_found and (line[2:7] == "100CL"):
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timetemp = float(line[13:25])
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if timetemp > timestep:
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timestep = timetemp
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if line[5:11] == "NDTEMP":
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mode_temp_found = True
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# we found a temperatures line in the frd file
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if mode_temp_found and (line[1:3] == "-1"):
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elem = int(line[4:13])
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temperature = float(line[13:25])
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mode_temp[elem] = (temperature)
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# Check for the end of a section
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if line[1:3] == "-3":
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if mode_disp_found:
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@ -269,11 +295,31 @@ def readResult(frd_input):
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if mode_stress_found:
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mode_stress_found = False
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if mode_temp_found:
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mode_temp_found = False
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if mode_time_found:
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mode_time_found = False
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if mode_disp and mode_stress and mode_temp:
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mode_results = {}
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mode_results['number'] = eigenmode
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mode_results['disp'] = mode_disp
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mode_results['stress'] = mode_stress
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mode_results['temp'] = mode_temp
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mode_results['time'] = timestep
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results.append(mode_results)
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mode_disp = {}
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mode_stress = {}
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mode_temp = {}
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eigenmode = 0
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if mode_disp and mode_stress:
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mode_results = {}
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mode_results['number'] = eigenmode
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mode_results['disp'] = mode_disp
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mode_results['stress'] = mode_stress
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mode_results['time'] = 0 # Dont return time if static
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results.append(mode_results)
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mode_disp = {}
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mode_stress = {}
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@ -340,10 +386,15 @@ def importFrd(filename, analysis=None, result_name_prefix=None):
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mesh_object.FemMesh = mesh
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analysis_object.Member = analysis_object.Member + [mesh_object]
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number_of_increments = len(m['Results'])
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for result_set in m['Results']:
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eigenmode_number = result_set['number']
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step_time = result_set['time']
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step_time = round(step_time, 2)
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if eigenmode_number > 0:
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results_name = result_name_prefix + 'mode_' + str(eigenmode_number) + '_results'
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elif number_of_increments > 1:
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results_name = result_name_prefix + 'time_' + str(step_time) + '_results'
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else:
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results_name = result_name_prefix + 'results'
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results = FreeCAD.ActiveDocument.addObject('Fem::FemResultObject', results_name)
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@ -374,6 +425,24 @@ def importFrd(filename, analysis=None, result_name_prefix=None):
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if(mesh_object):
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results.Mesh = mesh_object
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# Read temperatures if they exist
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try:
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Temperature = result_set['temp']
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if len(Temperature) > 0:
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if len(Temperature.values()) != len(disp.values()):
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Temp = []
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Temp_extra_nodes = Temperature.values()
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nodes = len(disp.values())
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for i in range(nodes):
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Temp_value = Temp_extra_nodes[i]
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Temp.append(Temp_value)
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results.Temperature = map((lambda x: x), Temp)
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else:
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results.Temperature = map((lambda x: x), Temperature.values())
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results.Time = step_time
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except:
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pass
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stress = result_set['stress']
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if len(stress) > 0:
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mstress = []
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