Webinar 40 Shock Fatigue

Shock Fatigue

1. Determine whether a given PSD can cover an SRS Specification

2. Derive an Optimized PSD which will cover an SRS

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Aerospace Pyrotechnic-type SRS tests are almost always more difficult to configure and control in the test lab and are thus more expensive than shaker table PSD tests.

Some lower and even mid-level SRS specifications may not have the true damage potential to justify shock testing.

The purpose of this webinar is to demonstrate a shock and vibration comparison method based on the fatigue damage spectrum (FDS).

The comparison results can be used with other considerations to determine whether the random vibration test covers the shock requirement.

A related method is also demonstrated for deriving an optimized PSD to envelop an SRS.

These methods are found to be effective comparison and derivation tools within a framework of assumptions.

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PowerPoint Slides:  webinar_40_shock_fatigue.pptx

Audio/Visual Slides:

NESC Academy Shock Fatigue – Recommend viewing in Firefox with Sliverlight Plugin

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Matlab script: Vibrationdata Signal Analysis Package

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See also:

Using Random Vibration Testing to Cover Shock Requirements

Fatigue Damage Spectrum

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VAL 2015 Conference Slides:  VAL_2015_Irvine_shock_fatigue.pptx

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Thank you,
Tom Irvine

One thought on “Webinar 40 Shock Fatigue

  1. Pingback: Webinar Index | Vibrationdata

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