Posted by: Borzki
Interfaces----> AFT Impulse - 09/12/14 11:41 PM
Hello Caesar Users,
I am converting a time history profile [time(ms)--force(lbf)] from AFT Impulse output to [frequency(Hz)--DLF] in order to for me to know where is the peak frequency using the Interfaces --->AFT Impulse Utility.
My question is, does this utility already considers damping of 2% upon converting it? Because the only input that I can see are the following:
1) Maximum points on each DLF curve =(I set it to 30)
2) Frequency cut-off =(I set it to 200 Hz).
I am just curious because one of the beam analysis software, there is an option to set the "damping %".
I compare the results setting the damping ratio to 2% and the result closely matches with the Caesar Interface--->AFT Impulse result.
Is my assumption that the Caesar Interface ---> AFT Impulse utility already considers the 2% damping as default, is correct or I am misinterpreting the theory.
Many thanks and sorry if I have misinterpreted something.
I am converting a time history profile [time(ms)--force(lbf)] from AFT Impulse output to [frequency(Hz)--DLF] in order to for me to know where is the peak frequency using the Interfaces --->AFT Impulse Utility.
My question is, does this utility already considers damping of 2% upon converting it? Because the only input that I can see are the following:
1) Maximum points on each DLF curve =(I set it to 30)
2) Frequency cut-off =(I set it to 200 Hz).
I am just curious because one of the beam analysis software, there is an option to set the "damping %".
I compare the results setting the damping ratio to 2% and the result closely matches with the Caesar Interface--->AFT Impulse result.
Is my assumption that the Caesar Interface ---> AFT Impulse utility already considers the 2% damping as default, is correct or I am misinterpreting the theory.
Many thanks and sorry if I have misinterpreted something.