Hi,
I am analyzing a very simple model of an hollow cylinder which is subjected to torsion in Abaqus 6.13-1.
I am interested in the stresses of one node (node 13) in my model.
Using Cae I get the following results:
s13@node13 (cartesian coordinate system) = -17.2586250
s23@node13 (cylindric coordinate system) = 17.2586250
But using python to query the stresses i get:
s13@node13 (cartesian coordinate system) = -17.2586250305176
s23@node13 (cylindric coordinate system) = 17.2585487365723
This is how I get my results in python:
myOdb = openOdb('Job-1_py.odb')
myDatumCsys = myOdb.rootAssembly.datumCsyses[name_of_datum_csys] #my cylindric coordinate system
myStep = myOdb.steps[name_of_step]
myFrame = myStep.frames[-1]
myFieldOutput_S = myFrame.fieldOutputs['S']
myFieldOutput_S_transformed = myFieldOutput_S.getTransformedField(datumCsys=myDatumCsys)
mySubset_from_Set_A = myFieldOutput_S.getSubset(region=myNode_A,position=ELEMENT_NODAL)
mySubset_from_Set_A_transformed = myFieldOutput_S_transformed.getSubset(region=myNode_A,position=ELEMENT_NODAL)
The results are in mySubset_from_Set_A_transformed. values
Can anyone tell me why there is a difference in s23@node13 (cylindric coordinate system) between cae and python?
Thank you very much.