Construction method and system for train scaling equivalent model applied to collision experiment
A technology of scale model and collision experiment, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the complex problems of scale model construction, reduce the cost of experiments, simplify nonlinearity, and reduce complexity Effect
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[0026] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0027] The train collision scaling criterion of the technical solution proposed by the invention is based on multi-mass rigid body dynamics. And only consider the mechanical characteristics of the one-dimensional longitudinal impact of the train, simplify the vehicles that make up the train to a single mass point, set the strength of the car body as a rigid body, and do not participate in the deformation during the impact process, so the geometry of the train shape is ignored in the scale model Similarity in size and body material strength. Since the mass of the coupler buffer device, the crush tube and the honeycomb energy-absorbing device between the cars is much smaller than that of the train body, the mass of the energy-absorbing parts between t...
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