Abstract
Motivated by the numerical simulation of particulate flow with slip boundary conditions at the interface fluid/particles, our goal, in this publication, is to discuss a fictitious domain method for the solution of linear elliptic boundary value problems with Robin boundary conditions. The method is of the virtual control type and relies on a least-squares formulation making the problem solvable by a conjugate gradient algorithm operating in a well chosen control space. Numerical results are presented; they suggest optimal orders of convergence for the finite element implementation of our fictitious domain method. A (brief) history of fictitious domain methods can be found in, e.g., [[3], Chap. 8].
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Bibliography
R. Glowinski and Q. He. A least-squares /fictitious domain method for linear elliptic problems with Robin boundary conditions. 2009. (in preparation).
R. Glowinski, J.L. Lions, and J .He. Exact and Approximate Controllability for Distributed Parameter Systems: A Numerical Approach. Cambridge University Press, Cambridge, 2008.
R. Glowinski. Finite element methods for incompressible viscous flow. In Handbook of Numerical Analysis, Vol. IX, pp. 3–1176. North-Holland, Amsterdam, 2003.
J.L. Lions. Virtual and effective control for distributed systems and decomposition of everything. J. Anal. Math., 80:257–297, 2000.
Acknowledgments
The first author acknowledge the support of the Institute for Advanced Study (IAS) at The Hong Kong University of Science and Technology. The work is partially supported by grants from RGC CA05/06.SC01 and RGC-CERG 603107.
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Glowinski, R., He, Q. (2011). Numerical Solution of Linear Elliptic Problems with Robin Boundary Conditions by a Least-Squares/Fictitious Domain Method. In: Huang, Y., Kornhuber, R., Widlund, O., Xu, J. (eds) Domain Decomposition Methods in Science and Engineering XIX. Lecture Notes in Computational Science and Engineering, vol 78. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11304-8_43
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DOI: https://doi.org/10.1007/978-3-642-11304-8_43
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