全机静强度虚拟试验技术研究及应用

doi:10.7527/S1000-6893.2022.26273

Abstract

Abstract: Ground test is currently the most important means to verify the performance and qualities of aircraft. High load and large deformation occur in the ground static strength test of full-scale aircraft, the risks of aircraft structure unanticipated damage and testing system unanticipated breakdown bring great challenges for testing design and its implementation. The virtual testing technique has been investigated, and the digital model of testing system, virtualization of structure mechanical behavior and the physical and virtual fuse of testing process are established, with which the new double parallel and mutual fusion testing modes came into being. The virtual testing technology was successfully applied to the full-scale aircraft static test. Compared with test results, the errors of calculation displacements are less than 1%, and the errors of calculation strains is less than 10%. The virtual testing technology improves the reliability and security of the aircraft static test, and reduces the testing periods, which plays an important role in the aircraft development.

Key words: aircraft structure, static strength, digital design, virtual simulation, interactive fusion

CLC Number:

V215.2

WANG Binwen, NIE Xiaohua, WAN Chunhua, WU Cunli. Research and application of virtual test technology for static strength of full scale aircraft structure[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(6): 526273-526273.

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Research and application of virtual test technology for static strength of full scale aircraft structure

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