Some Inverse Problems of Two-Dimensional Stokes Flows by the Method of Fundamental Solutions and Kalman Filter

Yeqin Shao and Quan Jiang ()
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Yeqin Shao: School of Transportation and Civil Engineering, Nantong University, No. 9, Seyuan Rd., Nantong 226019, China
Quan Jiang: School of Transportation and Civil Engineering, Nantong University, No. 9, Seyuan Rd., Nantong 226019, China

Mathematics, 2023, vol. 12, issue 1, 1-24

Abstract: Some inverse problems of Stokes flow, including noisy boundary conditions, unknown angular velocity, and dynamic viscous constant identification are studied in this paper. The interpolation equations for those inverse problems are constructed using the method of fundamental solutions (MFS). Based on the noise addition technique, the inverse problems are solved using MFS and a Kalman filter. It is seen from numerical experiments that these approaches and algorithms are valid and have strong robustness and high accuracy in solving inverse Stokes problems.

Keywords: Stokes flow; inverse problem; method of fundamental solutions; Kalman filter; noise addition (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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