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We have a trial IMEX-type method for Buvoli's Radau-based schemes. A more general implementation that lets us do additively-split methods for u_t + F1(u) + F2(u) = 0 where one term is handled implicitly and the other explicitly. This requires supporting a pair of tableaux and doing some UFL manipulations. Most classical IMEX methods are only diagonally implicit, so there should be a way to adapt/extend our DIRK stepper for these.
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We have a trial IMEX-type method for Buvoli's Radau-based schemes. A more general implementation that lets us do additively-split methods for
u_t + F1(u) + F2(u) = 0
where one term is handled implicitly and the other explicitly. This requires supporting a pair of tableaux and doing some UFL manipulations. Most classical IMEX methods are only diagonally implicit, so there should be a way to adapt/extend our DIRK stepper for these.Beta Was this translation helpful? Give feedback.
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