Opuscula Math. 26, no. 3 (2006), 407-419

Opuscula Mathematica

New efficient time integrators for non-linear parabolic problems

Blanca Bujanda
Juan Carlos Jorge

Abstract. In this work a new numerical method is constructed for time-integrating multidimensional parabolic semilinear problems in a very efficient way. The method reaches the fourth order in time and it can be combined with standard spatial discretizations of any order to obtain unconditinally convergent numerical algorithms. The main theoretical results which guarantee this property are explained here, as well as the method characteristics which guarantee a very strong reduction of computational cost in comparison with classical discretization methods.

Keywords: fractional step methods, non-linear parabolic problems, convergence.

Mathematics Subject Classification: 65M06, 65M12.

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Blanca Bujanda, Juan Carlos Jorge, New efficient time integrators for non-linear parabolic problems, Opuscula Math. 26, no. 3 (2006), 407-419

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