A data interaction method for multi-body simulation of launch vehicle
A launch vehicle and simulation data technology, which is applied in design optimization/simulation, electrical digital data processing, special data processing applications, etc., can solve the problems of complex data exchange, error-prone, and difficult debugging of components, and achieve unified interface styles and realize The effect of versatility
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[0033] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0034] The present invention establishes a flexible multi-body dynamics virtual prototype, replaces the currently commonly used mathematical model, and carries out the dynamics simulation of the launch vehicle. The specific multi-body simulation data interaction method of the launch vehicle includes the following steps:
[0035] (1), set up rocket finite element calculation model by finite element software, and verify the correctness of finite element model by modal test result, enter step (2) after verification is correct, the finite element software that adopts among the present invention is Patran.
[0036] (2) Carry out the shutdown analysis of the launch vehicle, update or obtain the current timing time, which is realized by the timing generator, and the specific implementation method is as follows:
[0037] (2.1) Establish a timing array d...
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Abstract
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