G. Bastay’s research while affiliated with Linköping University and other places

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Publications (2)


An alternating method for the stationary Stokes system
  • Article

April 2006

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71 Reads

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40 Citations

ZAMM Journal of applied mathematics and mechanics: Zeitschrift für angewandte Mathematik und Mechanik

G. Bastay

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T. Johansson

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An alternating procedure for solving a Cauchy problem for the stationary Stokes system is presented. A convergence proof of this procedure and numerical results are included.


Iterative methods for an inverse heat conduction problem

January 2001

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87 Reads

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33 Citations

Journal of Inverse and Ill-Posed Problems

We consider the problem of reconstruction of the temperature from measurements of the temperature and heat flux on a part of the boundary and present iterative methods for solving this problem. The characteristic feature of the methods is the fact that in each iteration step, well-posed problems for the same equation are solved. The regularizing character of the methods comes from suitable choice of boundary conditions. This fact allows one to use standard numerical packages. Some numerical experiments are given.

Citations (2)


... There exist various methods for solving the problem (1.1). One way is to use iterative methods, which were proposed by Bastay, Kozlov and Turesson [1]. We remark that this iterative method is reduced to the Landweber iteration. ...

Reference:

A Depth-dependent Stability Estimate in an Iterative Method for Solving a Cauchy Problem for the Laplace Equation
Iterative methods for an inverse heat conduction problem
  • Citing Article
  • January 2001

Journal of Inverse and Ill-Posed Problems

... Other features of the investigation will distinguish between the cases when the over-and under-specified disjoint boundaries are open or closed curves/surfaces. The solution to the linear but ill-posed inverse Cauchy problem will be found by extending the alternating algorithm developed in conjunction with the boundary element method in [1], where the corresponding Cauchy problem for the Stokes flow was solved. The well-posedness of the mixed problems [12] that need to be solved at each iteration are established in suitable function spaces. ...

An alternating method for the stationary Stokes system
  • Citing Article
  • April 2006

ZAMM Journal of applied mathematics and mechanics: Zeitschrift für angewandte Mathematik und Mechanik