How do I Determine Shock Response Spectra?

조회 수: 3 (최근 30일)
Alex Fay
Alex Fay 2012년 2월 23일
답변: Alex Fay 2021년 9월 9일
I have data from several accelerometers on a missile. I need to determine the shock response spectra and can't find an adequate function in the Matlab library. Can someone point me down the right path?
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Om Dariya
Om Dariya 2019년 3월 27일
sir, did you get coding related to that problem ? actually i have same problem but , related to gun system .

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답변 (2개)

bym
bym 2012년 2월 24일
I would say that Alex is looking for something else...
In my experience, the derivative of acceleration is called "jerk". SRS is the maximum {displacement,velocity,acceleration} of a single DOF oscillator at specific frequencies given a certain input time history. I have some code, but have to do some digging... in the meantime here is a good reference if you want to "roll your own" from scratch
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Om Dariya
Om Dariya 2019년 3월 27일
sir, can i also get that coding? actually i am also doing similar project related to gun system. sir, my mail id is om555dariya@gmail.com
Giuseppe Velotti
Giuseppe Velotti 2021년 9월 9일
Dear, can i also get this code? Thank you.

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Alex Fay
Alex Fay 2021년 9월 9일
All,
Shock response refers to environmental testing where the system received a defined input pulse. The pulse is normally a half-sine acceleration with a defined maximum amplitude and duration. The response spectra shows the accelerations, velocities, and displacements of the unit under test.
I found that there is a cottage industry that analyzes the data and sends the results to you, usually in graphic form. I never did get a formula set other than someone sending me the kinematic equations, which ignores all the coupling to the other axes.

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