Topology optimization of fluidic problems using internal interface normal zero-velocity constraint

Zhiqi WANG; Yuan LIANG; Chong WANG; Zhenyu LIU; Gengdong CHENG

doi:10.51393/j.jamst.2023013

Volume 3 Issue 4

Sep. 2023

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Article Navigation > Journal of Advanced Manufacturing Science and Technology > 2023 > 3(4): 2023013

Zhiqi WANG, Yuan LIANG, Chong WANG, Zhenyu LIU, Gengdong CHENG. Topology optimization of fluidic problems using internal interface normal zero-velocity constraint[J]. Journal of Advanced Manufacturing Science and Technology , 2023, 3(4): 2023013. doi: 10.51393/j.jamst.2023013

Citation:

Zhiqi WANG, Yuan LIANG, Chong WANG, Zhenyu LIU, Gengdong CHENG. Topology optimization of fluidic problems using internal interface normal zero-velocity constraint[J]. Journal of Advanced Manufacturing Science and Technology , 2023, 3(4): 2023013. doi: 10.51393/j.jamst.2023013

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Topology optimization of fluidic problems using internal interface normal zero-velocity constraint

doi: 10.51393/j.jamst.2023013

a Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP), Chinese Academy of Sciences, Changchun 130033, China;
b University of the Chinese Academy of Sciences, Beijing 100049, China;
c State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116023, China

Funds:

This study was supported by the National Natural Science Foundation Youth Fund of China (Nos. 12202092) and National Natural Science Foundation of China (Nos. 51675506). The authors are grateful to Krister Svanberg for providing the code of MMA.

Received Date: 2023-05-25
Rev Recd Date: 2023-06-10

Available Online: 2023-07-28

Publish Date: 2023-07-28

Abstract

Abstract

One of the disadvantages of the permeability-based fluidic topology optimization method is that seepage inside the solid region makes the optimized results highly sensitive to the selection of the impermeable parameter in the standard Darcy model. In this paper, fluid seepage in the solid region is greatly reduced by imposing zero-velocity constraints along the normal direction of the fluid-solid interface. In each optimization iteration, the fluid-solid interface can be traced by setting a predefined threshold of design variables, and a body-fitted mesh is constructed explicitly by cutting the original square element into quadrilateral and triangular elements. Several representative fluidic optimization examples, for which problems associated with the seepage effect arise when using the standard Darcy model, illustrate the effectiveness of the proposed method.
- Topology optimization,
- Fluid-solid interface,
- Cut element,
- Darcy model,
- Seepage effect

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References(33)

References

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