How to get Frequency value of at Max. Equivalent stress / total deformation in Harmonic response ana

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

How to get Frequency value of at Max. Equivalent stress / total deformation in Harmonic response analysis?

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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 ✓ 
    modal_analysis = ExtAPI.DataModel.Project.Model.Analyses[0]  # Modal Analysis
reader = modal_analysis.GetResultsData()
eigen_freqs = reader.ListTimeFreq

harmonic_analysis_sol = ExtAPI.DataModel.Project.Model.Analyses[1].Solution  # Harmonic Analysis Solution

all_defos = []
all_seqvs = []

for freq in eigen_freqs:
    total_defo = harmonic_analysis_sol.AddTotalDeformation()
    all_defos.append(total_defo)
    total_defo.Frequency = Quantity("%s [Hz]" % freq)
    seqv = harmonic_analysis_sol.AddEquivalentStress()
    all_seqvs.append(seqv)
    seqv.Frequency = Quantity("%s [Hz]" % freq)

harmonic_analysis_sol.EvaluateAllResults()  # Evaluate all results

freq_at_max_defo = max([(abs(defo.Maximum.Value), defo.Frequency.Value) for defo in all_defos], key=lambda x: x[0])[1]
freq_at_max_stress = max([(abs(stress.Maximum.Value), stress.Frequency.Value) for stress in all_seqvs], key=lambda x: x[0])[1]

print freq_at_max_defo, freq_at_max_stress

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