Direct frequency response analysis
Direct frequency response analysis
(OP)
Dear Users,
I have to do a response analysis of a certain construction (NX Siemens, Nastran solver 108, Direct frequency response analysis)
How do you define such excitation:
Excitation: 9.81 m/s² ≈1 g
Frequency Range: 10…..500 Hz
Sine-Sweep: 0.5 octave / min
Regards, Peter
I have to do a response analysis of a certain construction (NX Siemens, Nastran solver 108, Direct frequency response analysis)
How do you define such excitation:
Excitation: 9.81 m/s² ≈1 g
Frequency Range: 10…..500 Hz
Sine-Sweep: 0.5 octave / min
Regards, Peter
RE: Direct frequency response analysis
The easy bottom line to that wandering thread - try plotting your proposed analytical expression (like op of linked thread did) to see if the apparent frequency matches what you intended or a factor of 2 different.
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(2B)+(2B)' ?