Aiming at problems of during using the software ADAMS to simulate gun launching dynamics, loading process of propellant gas pressure being cumbersome and simulation calculation time being not synchronized with change of propellant gas pressure, a launch dynamics simulation method based on ADAMS self-defined functions was proposed to synchronously solve interior ballistic process and gun recoil motion inside ADAMS during gun launching.Based on the classical interior ballistic equation and the force analysis of recoil part, the load needed in dynamic analysis was added with displacement, velocity and other functions, and the simulation process was controlled by sensors and scripts.The launching dynamic simulation was done for a certain 122 mm artillery to verify the correctness of the simulation method.It was shown that the proposed simulation method can make motion of projectile, generation of propellant gas and motion of recoil part be related to each other, the three problems can be solved within the same software to improve the efficiency of simulation calculation.
Key words
virtual prototype /
self-defined function /
bore force /
artillery launch dynamics
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