SDOF Response to Base Input PSD

Version 1.0.0 (6.66 KB) by Tom Irvine
This script calculates the response of a single-degree-of-freedom system to a base input PSD.
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Updated 14 Apr 2023

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sdof_psd_response_base.m is the main script.
The other scripts are supporting functions.
This method uses a textbook power transmissibility function. The response PSD is equal to the power transmissibility function times the base input PSD.
This method is better than Miles equation because it allows the input PSD to vary with frequency and be defined over finite limits.

Cite As

Tom Irvine (2025). SDOF Response to Base Input PSD (https://www.mathworks.com/matlabcentral/fileexchange/127793-sdof-response-to-base-input-psd), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022a
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.0.0