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Fluid-structure interaction modeling with nonmatching interface discretizations for compressible flow problems: Computational framework and validation study
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DOI：10.1142/S0218202522500592.png)
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Abstract
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This work presents a strongly-coupled fluid-structure interaction (FSI) formulation for compressible flows that is developed based on an augmented Lagrangian approach. The method is suitable for handling problems that involve nonmatching fluid-structure interface discretizations. In this work, the fluid is modeled using a stabilized finite element method for the Navier-Stokes equations of compressible flows and is coupled to the structure, which is formulated using isogeometric Kirchhoff-Love shells. The strongly-coupled system is solved using a block-iterative approach. The proposed method is validated using two compressible flow benchmark problems to assess the accuracy of the developed formulation.
Keywords:
Compressible flow
fluid-structure interaction
nonmatching interface
isogeometric analysis
Kirchhoff-Love shell
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2.2K
Citations:
4.6K
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