水下航行器蜂窝夹层壳体结构有限元分析

Finite Element Analysis of Honeycomb Sandwich Shell Structure of Underwater Vehicle

水下航行器壳体设计是以舱段为单元的,文章以1 000 mm长度的舱段为标准,设计了两种壳体结构,分别为常规壳体结构和蜂窝夹层壳体结构。对这两种进行了建模和2.0 MPa水压下的有限元强度分析。在长度、外径和施加的外水压相同的情况下,对常规结构壳体和蜂窝夹层结构壳体在重量、加强筋高度、内部可用空间直径、最大应力值、主体应力区应力值进行了比较,蜂窝夹层结构壳体在上述几个方面显示出了明显的优势。该结论方便工程技术人员根据需要开阔思路,为其产品结构设计提供了重要的参考依据。

The design of underwater vehicle shell is based on the cabin as the unit.In this paper,based on the 1000mm long cabin,two kinds of shell structures are designed,which are conventional shell structure and honeycomb sandwich shell structure..Modeling and finite element strength analysis under 2.0 MPa water pressure are carried out for the two kinds of shells.Under the condition of the same length,outer diameter and applied external water pressure,the weight,stiffener height,internal available space diameter,maximum stress and main stress area of the shell with conventional structure and honeycomb sandwich structure are compared It has obvious advantages.The conclusion is convenient for engineering and technical personnel to broaden their thinking according to the needs,and provides an important reference for their product structure design.