An enhanced 3D data transfer method for fluid-structure interface by ISOMAP nonlinear space dimension reduction

The impact of self-parallel interfaces on the accuracy of the data transfer methods is investigated.A method is proposed to transfer data through the planar projection spaces.A new technique is set up to project 3D interfaces into the planar space by an ISOMAP nonlinear dimensionality reduction.The proposed method is compared with some methods in a pressure transfer of a turbine blade. With the accuracy limitation of some transfer methods in the self-parallel fluid-structure interfaces, a data transfer method is proposed by an ISOMAP (Isometric Mapping) nonlinear dimensionality reduction. Through this new method, the data transfer problem of the self-parallel interfaces is solved. Example of a 3D turbine blade shows that the proposed method can improve the transfer accuracy in the non-matching meshes.

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