Dynamic Simulation Analysis and Optimization of Firing Rate of Rocket Launchers on Wheeled Vehicles

Abstract

The paper presents a method of determining the dynamic parameters of multiple-rocket-launcher system mounted on the wheeled vehicle based on Newton's law of motion. The dynamic simulation was conducted and then the results were compared with the corre-sponding experimental data to verify the reliability of the model. The model was ap-plied in calculation and tested out on multiple-rocket-launcher system B?-21 (of Rus-sia). The theoretical model calculation results are relatively consistent with the meas-ured experimental data. The dependence of the launcher oscillation on the rate of fire was investigated, which determined the optimal rate of fire for each launcher. These results are used to evaluate the firing stability of the launcher when firing individual shots and firing bursts. This is an important theoretical basis which can be a reference for designers in the design process of improvement, manufacture, exploitation and use of a launcher mounted on the wheeled vehicle.

A Study on Multi-Body Modeling and Vibration Analysis for Twin-Barrel Gun While Firing on Elastic Ground

“…Equations conclude in 10 differential equations making the description of the movements of 5 objects of the mechanical system. We apply the Lagrange equation (10) for twin-barrel gun while firing.…”

“…To solve equations (10), first we need to determine input parameters of the system: parameters of internal ballistics, parameters of the structure, parameter of the boundary link at the locations of 4 levelling jacks, circulation diagram, and dynamical link characteristics of the automatic firing system. Parameters of dimension and mass are determined by measuring directly on the gun or were obtained from the technical specification when direct measurements were not possible.…”

“…It shows that the cycle of operation and the mathematical model are selected according to the important role in the research process, designing, manufacturing, and improving weapons. Due to this reason, there were documents and research about establishing the model and investigating the influence of the basic factors on the stability of the gun while firing as can be found in research [10][11][12][13][14][15][16][17][18][19][20]. However, documents and research that have comprehensive, systematic, and in-depth analyses on the dynamic of twin-barrel guns still have many limitations and are rarely published, [16][17][18].…”