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Prodotti recenti

Construction of exponentially fitted explicit peer methods

It is the purpose of this work to present exponentially fitted explicit two-step peer methods for the numerical integration of ordinary differential equations exhibiting oscillatory solution. We will use a problem oriented approach based on exponential fitting, in order to ...

Exponentially fitted two step peer methods for oscillatory problems

Recent advances on adapted numerical methods for evolutionary problems

Sono stati presentati i risultati della ricerca svolta in collaborazione con: Beatrice Paternoster and Angelamaria Cardone, Univ. Salerno; Raffaele D’Ambrosio, Univ. L’Aquila; Giovanni Capobianco, Univ. Molise; Liviu Gr. Ixaru, Institute of Physics and Nuclear Engineering, Bucharest; Zdzislaw ...

ADAPTED NUMERICAL METHODS FOR ADVECTION DIFFUSION PROBLEMS

We present exponentially ﬁtted two step peer methods for the numerical solution of systems of ordinary differential equations having oscillatory solutions (2; 3). Such equations arise for example in the semi-discretization in space of advection-diffusion problems whose solution exhibits an oscill...

RECENT ADVANCES ON NUMERICAL METHODS FOR EVOLUTIONARY PROBLEMS

This contribution regards the numerical solution of evolutionary problems related to natural phenomena end physical processes modelled by functional equationsofvarioustype, withspeciﬁccharacteristicssuch as: oscillations, songularities,presenceofstochasticterms,byfocusingexpeciallyonstabilitypropertiesof the methods. We will describe the constru...