摘要
基于有限元法,利用ANSYS中复合材料模块模拟叶片铺层,并通过CFD软件模拟流场对叶片施加载荷,对叶片进行结构静力学分析和模态分析;对比不同材料及铺层方式对叶片结构的影响,分析造成这种影响的原因。结果表明:不同材料对叶片的力学性能影响巨大,而采用铺层方法能使叶片满足强度和刚度要求,同时减轻质量并且改善共振引起的振动,±45°双铺层能有效分散叶根梁帽处应力。
Based on the finite element analysis,using ANSYS composite module simulate blade lay-up and CFD software,flow field was simulated and the load of blade was gotten,then its structural static analysis and modal analysis were made. By comparing the influence of different materials and layer on the blade structure,the reasons of the effect were analyzed. The results showed that different materials had tremendous impact on the mechanical properties,and the layer method could make the blade meet the requirements of strength and stiffness,and reduce the mass and the deformation caused by resonance. The stress on the cap of blade root could effectively dispersed by ± 45° layers.
出处
《能源工程》
2015年第5期15-19,共5页
Energy Engineering
基金
国家自然科学基金资助项目(E51176129)
上海市教育委员会科研创新(重点)项目(13ZZ120)
教育部高等学校博士学科点专项科研基金(博导类)项目(20123120110008)
关键词
叶片
复合材料
结构
静力学
模态
blade
composite materials
structural
statics
modal
