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Просмотр по автору "Pieskä J."

Просмотр по автору "Pieskä J."

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  • Asynchronous domain decomposition methods for continuous casting problem 
    Laitinen E.; Lapin A.; Pieskä J. (2003)
    Two asynchronous domain decomposition methods (which appear to be a two-stage Schwarz alternating algorithms) to solve the finite difference schemes approximating dynamic continuous casting problem are theoretically and ...
  • Iterative methods and parallel solution of the dam problem 
    Laitinen E.; Lapin A.; Pieskä J. (2001)
    A free boundary problem of fluid flow in the porous medium is considered. A finite difference scheme is constructed and written in the form of the inclusion for the sum of several multi-valued operators. The study of this ...
  • Large splitting iterative methods and parallel solution of variational inequalities 
    Laitinen E.; Lapin A.; Pieskä J. (2001)
    Splitting iterative methods for the sum of maximal monotone and single-valued monotone operators in a finite-dimensional space are studied: convergence, rate of convergence and optimal iterative parameters are derived. A ...
  • On 3D dynamic control of secondary cooling in continuous casting process 
    Dautov R.; Kadyrov R.; Laitinen E.; Lapin A.; Pieskä J.; Toivonen V. (2004)
    In this paper a 3D-model for simulation and dynamic control of the continuous casting process is presented. The diffusion convection equation with multiphase transition is used as a simulation model. The developed model ...
  • On the parallel domain decomposition algorithms for time-dependent problems 
    Lapin A.; Pieskä J. (2002)
    Several new finite-difference schemes for a nonlinear convection-diffusion problem are constructed and numerically studied. These schemes are constructed on the basis of non-overlapping domain decomposition and predictor-corrector ...
  • Parallel domain decomposition methods for dam problem 
    Laitinen E.; Lapin A.; Pieskä J. (2001)
    © 2001 IEEE. Free boundary problem of fluid flow in the porous medium is considered. Finite difference scheme is constructed and written in the form of the inclusion for the sum of several multivalued operators. The study ...
  • Predictor-corrector methods for solving continuous casting problem 
    Pieskä J.; Laitinen E.; Lapin A. (2005)
    In this paper we present new numerical approach to solve the continuous casting problem. The main tool is to use IPEC method and DDM similar to Lapin and Pieska [2002] with multilevel domain decomposition. On the subdomains ...

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