鸟撞载荷下Y12飞机前风挡非线性动力响应分析

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1990, Vol. 11 ›› Issue (11): 573-577.

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THE NONLINEAR DYNAMIC RESPONSE ANALYSIS OF THE FRONT WINDSHIELD OF Y12 UNDER“BIRD-IMPACT”LOADS

Wen Jian

Aircraft Structure Strength Research Institute

Received:1989-10-25 Revised:1990-05-10 Online:1990-11-25 Published:1990-11-25

Abstract

Abstract: The finite element analysis program system VEP is used to carry out the numerical analysis of nonlinear dynamic response of the aircraft Y12's front windshield at the three points B, C, and D under bird impact condition. The weight of the bird is 0.91 kg and the velocity is 56-61 m/s. The caculated results are compared with the experimental results and it is found that the results are in good agreement except at the point D.

Key words: bird impact, nonlinear dynamic response, finite eleme-nt analysis program VEP

Wen Jian. THE NONLINEAR DYNAMIC RESPONSE ANALYSIS OF THE FRONT WINDSHIELD OF Y12 UNDER“BIRD-IMPACT”LOADS[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1990, 11(11): 573-577.

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THE NONLINEAR DYNAMIC RESPONSE ANALYSIS OF THE FRONT WINDSHIELD OF Y12 UNDER“BIRD-IMPACT”LOADS

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