How to extract nodal stress results from elemental named selection?

Ayush Kumar
Ayush Kumar Member, Moderator, Employee Posts: 450
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edited June 2023 in Structures

How to extract nodal stress results from elemental named selection and save the mapped stress results modified using a function?

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  • Ayush Kumar
    Ayush Kumar Member, Moderator, Employee Posts: 450
    100 Answers 250 Likes 100 Comments First Anniversary
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    Answer ✓

    Please change the index in line, this might vary: mapped_stress_x.update({str(node): normal_stress.PlotData.Values[2][index]})

    ns = Model.NamedSelections.Children[0]
# Get element ids
elements = ns.Location.Ids

mesh = Model.Analyses[0].MeshData

# Get nodes associated with elements
nodes = mesh.NodeIdsFromElementIds(elements)

# Add a result object
normal_stress = Model.Analyses[0].Solution.AddNormalStress()
# Scope named selection
normal_stress.ScopingMethod = GeometryDefineByType.Component
normal_stress.Location = ns
ExtAPI.DataModel.Tree.Refresh()
Model.Analyses[0].Solution.EvaluateAllResults()

mapped_stress_x = {}
# Get indexes of nodes
for node in nodes:
    index = list(normal_stress.PlotData.Values[1]).index(node)
    mapped_stress_x.update({str(node): normal_stress.PlotData.Values[2][index]})

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