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Tutorials Equivalent Static Load for Random Vibration. The static load is taken from the three-sigma vibration response: eqstatic.pdf    Related Rayleigh distribution program: peak_response_random.exe

H.M. Lee, Testing for Random Limit Load Versus Static Limit Load, NASA TM-108542: Lee1.pdf H.M. Lee, A Simplistic Look at Limit Stresses from Random Loading, NASA TM-108427: Lee2.pdf Force-limited Acceleration Spectra Derivation by Random Vibration Analysis: Methodological Cases and Industrial Application: Trittoni_Force_limited.pdf Introduction to the Vibration Response Spectrum: vrs.pdf  Derivation of Miles Equation for Base Excitation:  Miles.pdf See also: Vibration Response Spectrum

Cantilever Beam Analysis Equivalent Static Load for a Cantilever Beam Subjected to Base Excitation, Part I: Sine Input: eqs_cantilever.pdf Steady-State Vibration Response of a Cantilever Beam Subjected to Base Excitation: steady_cant.pdf Bending Frequencies of Beams, Rods, and Pipes: beam.pdf   Matlab Script: cantilever_beam.m

Robert L. Towner, NASA Practical Approach for Random Load Factors RLF.pdf PowerPoint Presentation, FEA model, and Hand-calculation notes RandomLoadFactors.pdf

software_alt Description	Executable	Source
Vibration response spectrum of a single-degree-of-freedom system subjected to base excitation.	vrs.exe	vrs.cpp
SDOF fatigue calculation for a given PSD input. The fatigue metric is in terms of acceleration raised to a fatigue exponent.	vrs_fatigue.exe	vrs_fatigue.cpp
SDOF fatigue calculation for a given base excitation time history. The fatigue metric is in terms of acceleration raised to a fatigue exponent.	qsrs_fatigue.exe	qsrs_fatigue.cpp
Response of an individual single-degree-of-freedom system to base excitation.	sdof_ran.exe	sdof_ran.cpp
Response of an individual single-degree-of-freedom system to base excitation via Miles equation.	miles.exe	miles.cpp

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