Sonic Fatigue in Combined Enviroment

Ballentine, J. R.; Plumblee, H. E.; Schneider, Cecil W.

doi:10.21236/ad0637506

Cited by 3 publications

(1 citation statement)

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“…The aircraft designer found there data to be of considerable value and he could, with a certain amount of individual judgment and experience, effectively control acoustic fatigue problems for conventional subsonic aircraft. Increasing aircroft performonce ond size, coupled with increasingly stringent requirements for structural efficiency, resulted in subsequent programr (3)(4)(5)(6)(7)(8) which refined the design criteria to reduce conservatism and eliminate unnecessary weight from structural designs. The results of these previous programs have considerably redmed the uncertointies involved in predicting dynamic response and l i f e characteristics of conventional structures subiected to both propulsion system and oerodynamic noise.…”

Section: Introductionmentioning

confidence: 99%

Acoustic fatigue resistance of aircraft structures at elevated temperatures

Schneider¹,

Rudder²

1973

Aeroacoustics Conference

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An analytical and experimental program was conducted to develop acoustic fatigue design criteria for aircraft structures subjected to intense noise in a high temperature environment. Equations for the dynamic response of a buckled ponel were formulated for simply supported and clamped boundary conditions using large deflection plate theory. Random amplitude acoustic fatigue testing of representative aircraft structure was acomplished at temperatures up to fUO°F to provide data for correlation with the analytical results. Empirical design criteria are presented in the form o f design equations and nomogrophs for predicting the thermal and dynamic response of aircroft structures wbjected to combined environments.

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Section: Introductionmentioning

confidence: 99%