The frame is an important basis for aircraft structural the design improvements and innovation as a whole frame bearing member. Early in the design stage, a large number of samples are used in the collision and reliability test, which not only causes a waste of resources, but also puts a lot of manpower and resources. So the development cycle is quite lengthy. With the continuing development of computer technology and scientific calculations, the introduction of the finite element method greatly shorten the development cycle frame. More and more machinery and aerospace companies have seen finite element structural analysis as a necessary part of the mechanical development. Using the finite element method, optimization of key parts of the machine and the machine has become an indispensable part of the development process. This paper will analyze the static and modal frame, in order to reflect the important role of finite element analysis in the frame design.
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Wei et al. (2015) studied this question.