Extrapolated Implicit-Explicit Time Stepping

  title={Extrapolated Implicit-Explicit Time Stepping},
  author={Emil M. Constantinescu and Adrian Sandu},
  journal={SIAM J. Scientific Computing},
This paper constructs extrapolated implicit-explicit time stepping methods that allow one to efficiently solve problems with both stiff and nonstiff components. The proposed methods are based on Euler steps and can provide very high order discretizations of ODEs, index-1 DAEs, and PDEs in the method of lines framework. Implicit-explicit schemes based on extrapolation are simple to construct, easy to implement, and straightforward to parallelize. This work establishes the existence of perturbed… CONTINUE READING


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