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Identification of matrix parameters in elliptic PDEs

Treść / Zawartość
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
In the present work we treat the inverse problem of identifying the matrix-valued diffusion coefficient of an elliptic PDE from multiple interior measurements with the help of techniques from PDE constrained optimization. We prove existence of solutions using the concept of H-convergence and employ variational discretization for the discrete approximation of solutions. Using a discrete version of H-convergence we are able to establish the strong convergence of the discrete solutions. Finally we present some numerical results.
Rocznik
Strony
957--969
Opis fizyczny
Bibliogr. 18 poz., wykr.
Twórcy
autor
  • Institut fur Analysis und Numerik, Otto-von-Guericke-Universitat Magdeburg Universitatsplatz 2, 39106 Magdeburg, Germany
Bibliografia
  • Alt, H.W., Hoffmann, K.H. and Sprekels, J. (1984) A numerical procedure to solve certain identification problems. Intern. Ser. Numer. Math. 68, 11-43.
  • Chicone, C. and Gerlach, J. (1987) A note on the identifiability of distributed parameters in elliptic equations. SIAM J. Math. Anal. 18, 1378-1384.
  • Eymard, R. and Gallouët, T. (2003) H-convergence and numerical schemes for elliptic problems. SIAM J. Numer. Anal. 41, 539-562.
  • Falk, R.S. (1983) Error estimates for the numerical identification of a variable coefficient. Math. Comput. 40, 537-546.
  • Hinze, M. (2005) A variational discretization concept in control constrained optimization: the linear-quadratic case. Comput. Optim. Appl. 30, 45-61.
  • Hoffmann, K.H. and Sprekels, J. (1984/85) On the identification of coefficients of elliptic problems by asymptotic regularization. Numer. Funct. Anal. Optim. 7, 157-177.
  • Hoffmann, R. (2005) Entwicklung numerischer Methoden zur Schätzung matrixwertiger verteilter Parameter bei elliptischen Differentialgleichungen, Diploma thesis, TU Dresden.
  • Hofmann, B., Kaltenbacher, B., Pöschl, C. and Scherzer, O. (2007) A convergence rates result for Tikhonov regularization in Banach spacer with non-smooth operators. Inverse Problems 23, 987-1010.
  • Hsiao, G.C. and Sprekels, J. (1988) A stability result for distributed parameter identification in bilinear systems. Math. Meth. Appl. Sciences 10, 447-456.
  • Kelley, C.T. (1999) Iterative Methods for Optimization. SIAM.
  • Kohn, R.V. and Lowe, B.D. (1988) A variationalmethod for parameter identification. RAIRO Modél. Math. Anal. Numér. 22, 119-158.
  • Kunisch, K. (1995) Numerical methods for parameter estimation problems. In: Inverse Problems in Diffusion Processes (Lake St. Wolfgang, 1994). SIAM, Philadelphia, PA, 199-216.
  • Leugering, G. and Stingl, M. (2010) PDE-constrained optimization for advanced materials. In: G. Leugering et al., eds, Constrained Optimization and Optimal Control for Partial Differential Equations. Birkhäuser.
  • Rannacher, R. and Vexler, B. (2005) A priori estimates for the finite element discretization of elliptic parameter identification problems with pointwise measurements. SIAM J. Cont. Optim. 44, 1844-1863.
  • Richter, G.R. (1981) An inverse problem for the steady state diffusion equation. SIAM J. Appl. Math. 41, 210-221.
  • Tartar, L. (1997) Estimation of homogenized coefficients. In: A. Cherkaev, R. Kohn, eds., Topics in the Mathematical Modelling of Composite Materials. Birkhäuser, 9-20.
  • Vainikko, G. and Kunisch, K. (1993) Identifiability of the transmissivity coefficient in an elliptic boundary value problem. Z. Anal. Anwendungen 12, 327-341.
  • Wang, L. and Zou, J. (2010) Error estimates of finite element methods for parameter identification problems in elliptic and parabolic systems. Discrete Contin. Dyn. Syst. Ser. B 14, 1641-1670.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BATC-0009-0020
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