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微球壳在三维剪切流中的变形特性

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利用双向流固耦合的模拟方法,对三维剪切流中不同几何参数的空心球壳和载液球壳的变形特性进行分析.研究发现,球壳在变形的同时伴随着旋转,且球壳上存在着交变应力,交变频率取决于球壳旋转速度.空心球壳相较于载液球壳变形更显著,旋转速度更快.
Deformation Characteristics of the Miniature Spherical Shell in Three-dimensional Shear Flow
Making use of bidirectional fluid-structure coupling simulation to analyze deformation character-istics of hollow spherical shells and liquid-loaded spherical shells with different geometric parameters in three-dimensional shear flow was implemented.The results show that,the rotation accompanies the defor-mation of the spherical shell and alternating stress exists on the spherical shell,and the alternating fre-quency depends on the rotation speed of the spherical shell.The hollow spherical shell's deformation is more significant and the rotation speed is faster than that of the liquid-carrying spherical shell.

miniature spherical shellfluid-solid couplingdeformationrotationalternating stress

张世昌、廖文博、陈鹏举、沈冠东

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南京工业大学机械与动力工程学院

盐城师范学院研究生处

微球壳 流固耦合 变形 旋转 交变应力

2024

化工机械
天华化工机械及自动化研究设计院有限公司

化工机械

CSTPCD
影响因子:0.325
ISSN:0254-6094
年,卷(期):2024.51(3)
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