Research On Construction Protective Performance Of Composite Integrated Mast

The impulsive environment of the ship composite integrated mast under anti-radiation weapon is very complex. The numerical method to calculate the dynamic performance of the ship composite integrated mast is researched here based on some composite theories according to different structure features. This paper focuses on the damage form of composite sandwich plate under impact and explosion load. The antidetonation and shock resistance performance of the composite integrated mast employed in this paper is researched. And some optimization work has been done to increase its construction protective ability.Firstly, analyze the design features of the composite integrated mast. Research the basic theory of sandwich plate and the simulation process by numerical calculation, corroding to the design feature of composite sandwich plate. In this paper, the sandwich plate theory is improved, and a numerical simulation method is indrafted, which could manifest the stress distribution in each layer while veritably simulate the delaminating of skin layer.Secondly, establish local model of sandwich plate to simulate the chipping impacting process to research the damage mode of skin layers, core layer and glue layer. And through the research, three phases during impacting are summarized. The shock resistance performance of composite integrated mast is analyzed and the ballistic limit is got through a great deal of numerical calculations.Thirdly, simulate the air explosion process with proper local model, research on the damage mode of skin layers, core layer and glue layer. The antidetonation performance of composite integrated mast is analyzed and the shock resistance ability limit is got through a great deal of numerical calculations.Lastly, optimize the composite, the structure of sandwich plate and the overall structure of the mast to improve its structure protective performance. Validate the feasibility of the optimization result through the comparison analysis between two models, and offer some beneficial references to composite integrated mast design.