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Dear all. i am new to this forum. Now i am working as a NVH engineer (fresher). i am using Nastran solver to conduct vibration analysis. Myquestion: In frequency response analysis. i usually apply 0hz to 250 hz to the structure and i measure the maximum vonmises stress at each frequency. so is there anyway to plot a graph or track the maximum von mises stress at each frequency. P.S.: 1. live tracking the stress at a same node is easy. (but it will give the stress value at that node for different frequencies.) -> BUT I WANT THE GRAPH like Example: at 1hz - the max stress is 2 Mpa. at 2hz - the max stress is 5 MPa. at 3hz- the max stress is 10Mpa. . . . at 250 - the max stress is -- Mpa. like that ( irrespective of the position , i need only the max stress) is there anyway to plot or track the max stress. please share it with me. (if anyone cant understand my question. please let me know. i will try to explain better or i will give you the input and output files.) thank you. anticipating for the answer.