Hi,

A simple project - we have a rectangle, a load is applied on its top, and we have to record the point coordinates and the axial strain at those coordinates. Everything seems right, the third picture is my rectangle and load set-up, the second picture is the abaqus deformed rectangle output - symmetric, just as expected. However, when I extract the data points' coordinates and corresponding strain and plot them on matlab, the result is the first picture. I want data that resembles the abaqus output - what am I doing wrong? The code I use for extracting the data is below. Thanks for any help.

from odbAccess import *

#open file to write on and the odb

f = open('/space/gkapitanov/Desktop/gkapitanov_ayati_lab/Pseudo_ABAQUS_Plot/Full_data2.txt', 'wab')

odb = openOdb(path='/space/gkapitanov/Desktop/gkapitanov_ayati_lab/Pseudo_ABAQUS_Plot/Blunt_result2.odb')

# set up the extract

pointData = odb.rootAssembly.instances['DISK-1'].nodes;

#last frame

modelFrame = odb.steps['Step-2'].frames[-1]

strain = modelFrame.fieldOutputs['E']

# define a variable for the values of the strain data

field Values = strain.values

for v in fieldValues:

     labelVar = v.elementLabel

     x_var = pointData[labelVar].coordinates[0]

     y_var = pointData[labelVar].coordinates[1]

     f.write('%6.9f %6.9f %6.9f\\n' % (x_var, y_var, v.data[2]))

odb.close()

f.close()