VIBRATION OF TRAPEZOIDAL CANTILEVER PLATES WITH PARTIAL ROOT CHORD SUPPORT

S P SEPAHA, S DURVASULA

Abstract


The vibration characteristics of trapezoidal cantilever plates with partial root chord support, typical of some fins used on rockets and missiles, are presented. Natural frequencies and modes are calculated by lumped mass method using measured flexibility influence coefficients. Also the frequencies and nodal patterns are obtained by experiment. The variation of frequencies and nodal patterns with varying partial root chord support is studied.

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