基于ANSYS的复合材料螺旋桨叶片有限元建模与分析

发布时间：2018-05-22 11:45

  本文选题：船用螺旋桨叶片 + 复合材料　； 参考：《复合材料学报》2017年04期

【摘要】：针对船用复合材料螺旋桨叶片,分别采用壳单元赋予不同截面参数和实体单元赋予不同等效材料参数两种建模方法进行了有限元分析,对比了壳单元和实体单元模型的模态、均布压力载荷下的响应以及均匀温度场中的热变形。结果表明:对于从桨根到桨尖各位置铺层不同的叶片来说,两种建模方法在建模时间和铺层调整便捷性方面各有利弊;模态分析中两种模型的固有频率和振型计算结果存在一定差异,它们均可在一定条件下用于复合材料螺旋桨叶片模态计算;两种模型中,模拟均布压力载荷下的响应时应采用壳单元模型,而分析叶片在均匀温度场中结构的热变形应采用实体单元模型。
[Abstract]:In this paper, the finite element analysis of ship composite propeller blades is carried out by using two modeling methods: shell element with different cross-section parameters and solid element with different equivalent material parameters, and the modes of shell element and solid element model are compared. Response under uniform pressure and thermal deformation in uniform temperature field. The results show that the two modeling methods have their advantages and disadvantages in modeling time and ease of layering adjustment for blades with different layers from the propeller root to the tip of the propeller. In modal analysis, the natural frequencies and modes of the two models are different, and they can be used in the modal calculation of composite propeller blades under certain conditions. The shell element model should be used to simulate the response under uniform pressure and the solid element model should be used to analyze the thermal deformation of the blade in the uniform temperature field.
【作者单位】： 中航复合材料有限责任公司先进复合材料重点实验室中航工业复合材料技术中心;海军装备研究院;
【基金】：国家自然科学基金(51203144)
【分类号】：TB33
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本文编号：1921918