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- W4308902992 abstract "This study presents a new topology optimization method for transient coupled fluid–structure interaction (FSI) problems. The transient FSI problem is formulated using the monolithic design approach combining the design variables and the governing equations. This new approach allows for the possibility of considering the effect of transient FSI on topologically optimized layouts. Throughout this work, the analysis domain for the fluid and structure is modeled using the unified monolithic approach, in which the structure equation and the Navier–Stokes equation are coupled. With a fixed mesh and design variables assigned to each finite element, the governing equations as well as the involved material properties are interpolated. This modeling and analysis approach provides accurate solutions to the strongly coupled FSI system. An adjoint approach for calculating the transient sensitivity information and a gradient-based optimizer are used. Several numerical examples are solved to reveal the importance of considering the transient FSI. In addition, these examples demonstrate that the present approach can control transient FSI phenomena. • Topology optimization for transient fluid structure interaction is newly developed. • The monolithic design approach is extended for transient FSI. • For topology optimization, the governing equations are interpolated. • The effects of the transient fluid are considered in optimization." @default.
- W4308902992 created "2022-11-19" @default.
- W4308902992 creator A5048965021 @default.
- W4308902992 date "2023-01-01" @default.
- W4308902992 modified "2023-10-14" @default.
- W4308902992 title "A new monolithic design approach for topology optimization for transient fluid–structure interaction system" @default.
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- W4308902992 doi "https://doi.org/10.1016/j.cma.2022.115729" @default.
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