Abstract
The Stokes operator is a differential-integral operator induced by the Stokes equations. In this paper, we analyze the Stokes operator from the point of view of the Helmholtz minimum dissipation principle. We show that, through the Hodge orthogonal decomposition, a pair of bounded linear operators, a restriction operator and an extension operator, are induced from the divergence-free constraint. As a consequence, we use it to calculate the eigenvalues of the Stokes operator.
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Contributed by Gao-lian LIU
Project supported by the National Natural Science Foundation of China (No. 10772103) and the Shanghai Leading Academic Discipline Project (No. Y0103)
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Chen, B., Li, Xw. & Liu, Gl. Constraint-induced restriction and extension operators with applications. Appl. Math. Mech.-Engl. Ed. 30, 1345–1352 (2009). https://doi.org/10.1007/s10483-009-1101-x
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DOI: https://doi.org/10.1007/s10483-009-1101-x
Key words
- Stokes operator
- induced operators
- restriction and extension
- variational method
- Hodge decomposition
- eigenvalue problem