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Determination of Dynamic load condition of Aircraft Carrier based on Multivariable Distribution of Flight Parameters

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International Journal of Plant Engineering and Management 2020年第4期25卷 223-237页

作者： JIN Xin LIU Yu ZHANG Jian′gang Strength Design Institute Xi′an Aircraft Design InstituteXi′an 710089China Avionics Systems Design Institute Xi′an Aircraft Design InstituteXi′an 710089China

In order to solve the design problem of dynamic load of a carrier-based aircraft,according to the relevant criteria of national military standards,eight key flight parameters of the dynamic load conditions for the aircraft carrier were *** on the multivariable distribution data of landing flight parameters obtained from flight test,the distribution form and range limitation of each flight parameter were determined by using the probability distribution of each flight parameter and the spatial relationship among ***,100000 sets of data were constructed to simulate the landing condition of aircraft in the form of random *** the envelope is screened by multivariable joint probability distribution,the boundary conditions were compared and merged,and finally the dynamic load conditions were *** this paper,a set of dynamic load condition design method based on the aircraft requirements is constructed,which systematically covers all kinds of situations that occur in the process of aircraft landing,and improves the conventional design process of aircraft dynamic load.

关键词： load condition flight parameter variables probability joint probability

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Report on the Structure Strength and Vibration Mode of Transformer

Report on the Structure Strength and Vibration Mode of Trans...

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2011年亚太青年通信学术会议

作者： Dou CHEN1 Xiangsheng LI2 1Hunan Vocational College of Railway Technology Zhuzhou Hunan China 2Central South University of Forestry and Technology Logistics Institute Changsha Hunan China

To check the reliability of transformer’s strength and vibration mode,we analyze the structure of the transformer,define the load condition,process the boundary condition and create the finite element *** use ANSYS software to analyze transformer s structure strength and mode,which provides important support to reliable *** the analysis of above,the structure design and the stiffness of transformer is totally meeting with the requirement of design.

关键词： transformer load condition the finite element analysis the structure strength analysis the mode analysis

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