张营川, 马骏. 螺旋桨旋涡发放数值模拟[J]. 中国舰船研究, 2011, 6(5): 55-62. DOI: 10.3969/J.issn.16733185.2011.05.012
引用本文: 张营川, 马骏. 螺旋桨旋涡发放数值模拟[J]. 中国舰船研究, 2011, 6(5): 55-62. DOI: 10.3969/J.issn.16733185.2011.05.012
shu
Zhang Yingchuan, Ma Jun. Numerical Simulation on Vortex Shedding of Propeller[J]. Chinese Journal of Ship Research, 2011, 6(5): 55-62. DOI: 10.3969/J.issn.16733185.2011.05.012
Citation: Zhang Yingchuan, Ma Jun. Numerical Simulation on Vortex Shedding of Propeller[J]. Chinese Journal of Ship Research, 2011, 6(5): 55-62. DOI: 10.3969/J.issn.16733185.2011.05.012
shu

螺旋桨旋涡发放数值模拟

Numerical Simulation on Vortex Shedding of Propeller

    摘要
  • 摘要: 基于LSDYNA软件和任意拉格朗日—欧拉（ALE）方法,建立螺旋桨与流体相互作用的有限元模型,数值计算螺旋桨固定桨叶在前方来流下的流体动力特性和结构力学性能,分析总结桨叶后方旋涡运动和桨叶内部应力变化的规律。结果表明,螺旋桨桨叶的不规则形状导致了桨叶后方旋涡的相互作用,桨叶单元所在位置的厚度以及该位置与约束位置的距离决定了单元应力的大小。数值模拟得出的结论对研究螺旋桨＂唱音＂现象有一定的参考价值。

     

    Abstract: Based on Arbitrary LagrangeEuler（ALE） method,the Finite Element model of the fluidpropeller interaction was built using LSDYNA software.The hydrodynamic characters and mechanical performance of structure（fluid resultant velocity and structure internal stress of blade） were studied under the incoming flow of fixed blade of propeller,analyzing the internal varying stress of blade and vortex motion behind the propeller.The ressults show that irregular surface of blade result in vortex shedding phenomenon behind the propeller.And the element stress of blade was determined by its′ thickness and the distance to the constraint location.

     

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