Optimization design and simulation analysis of marine hydraulic damper structure

WENG Shi-guang, WANG Li-juan
(Navigation Department, Xiamen Ocean Vocational and Technical College, Xiamen 361012, China)

Abstract: Aiming at the problems of traditional damper such as large stroke, easy to jam and low reliability, the mathematical optimization model of marine hydraulic damper based on the orifice flow principle was established. The optimization result was obtained, the optimization design of control valve structure was completed. AMESim simulation software was selected to establish the damper and testbed simulation model, and through the optimization design and the comparison and analysis of traditional design simulation results, the feasibility of optimization design was verified. The optimization design was applied to the test prototype, and the effectiveness of optimization design was further verified by comparing the results of prototype test and simulation analysis; the differences between the two were found out, and the reasons for the differences were analyzed. Based on the structural optimization method, simulation model and prototype test, the hydraulic damper which met the requirements was designed. The research results show that the optimized hydraulic damper has the characteristics of large load range, small volume, hard to be stuck, easy to install and maintain, and it also has good quick response.

Key words: hydraulic damper; control valve structure; mathematical optimization model; simulation analysis; AMESim