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I will be gratefull for any ideas in these two problems:

1.
I solve a problem "beam under a pressure" from tutorial. I want to write stress results in *.odb file in nodal form,
not elemental(!) such as stress per element or stress at some nodes for each element,
but in a real nodal form:
for each vertex of the mesh an average stress is written.
I need this for the post-processing programm.

2.
I have *.odb file and I want to query how many external nodes/elements there are in the model.

Thanks in advance!

ps. Sorry for english. I understand German but my written skills are very bad.

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I understand, that you want to export the stresses "averaged at nodes" and not at the element integration points. Correct ?

For postprocessing I would output the stresses using the report function. Here you can specify exactly the type of date, the report position etc.

For further details see "35.3.2 Selecting field output variables"

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for 1.
Report->Field Output->Position=...  (as mentioned by Goldstein)

for 2. try
Tools->Query->Mesh

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