飞机层合风挡鸟撞击有限元数值模拟

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1998, Vol. 19 ›› Issue (4): 446-450.

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FINITE ELEMENT METHOD NUMERICAL SIMULATION OF BIRD STRIKING MULTILAYER WINDSHIELD

Wang Aijun¹, Qiao Xin¹, Li Lei²

1. Department of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016;2. Beijing Institute of Aeronautic Material, Beijing, 100095

Received:1998-04-17 Revised:1998-05-22 Online:1998-08-25 Published:1998-08-25

Abstract

Abstract:

A finite element method three dimension model of multilayer windshield of anti bird striking is established. Rate constitutive models with failure method are adopted in windshield material. The dynamic process of bird striking multilayer windshield is simulated by nonlinear contact impact FEM codes. A computational example of bird striking multilayer windshield is given. The deformation and failure mechanism of windshield is dicussed. The solution of analysis presents the theoretical basis for the design method of anti bird multilayer windshield.

Key words: aircraft windshield, finite element method, contact impact, bird striking

CLC Number:

O316
O347

Wang Aijun;Qiao Xin;Li Lei. FINITE ELEMENT METHOD NUMERICAL SIMULATION OF BIRD STRIKING MULTILAYER WINDSHIELD[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1998, 19(4): 446-450.

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FINITE ELEMENT METHOD NUMERICAL SIMULATION OF BIRD STRIKING MULTILAYER WINDSHIELD

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