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of 223
pro vyhledávání: '"Bonaventura, L."'
Autor:
Bonaventura, L., Marmol, M. Gomez
The application of the TR-BDF2 method to second order problems typical of structural mechanics and seismic engineering is discussed. A reformulation of this method is presented, that only requires the solution of algebraic systems of size equal to th
Externí odkaz:
http://arxiv.org/abs/2007.12363
Autor:
Bonaventura, L., Della Rocca, A.
A simple but successful strategy for building a discrete diffusion operator in finite volume schemes of industrial use is to correct the standard two-point flux approximation with a term accounting for the local mesh non-orthogonality. Practical expe
Externí odkaz:
http://arxiv.org/abs/1806.09180
Autor:
Benacchio, T., Bonaventura, L.
We consider spectral discretizations of hyperbolic problems on unbounded domains using Laguerre basis functions. Taking as model problem the scalar advection equation, we perform a comprehensive stability analysis that includes strong collocation for
Externí odkaz:
http://arxiv.org/abs/1803.10997
This work deals with Direct Numerical Simulations (DNS) and Large Eddy Simulations (LES) of turbulent gravity currents, performed by means of a Discontinuous Galerkin (DG) Finite Element method. In particular, a DG-LES approach in which the filter op
Externí odkaz:
http://arxiv.org/abs/1612.07522
Publikováno v:
In Computers and Fluids 15 November 2020 212
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 21 October 2020 978
Publikováno v:
In Computers and Mathematics with Applications 1 April 2020 79(7):2086-2098
Autor:
Tumolo, G., Bonaventura, L.
We present an accurate and efficient discretization approach for the adaptive discretization of typical model equations employed in numerical weather prediction. A semi-Lagrangian approach is combined with the TR-BDF2 semi-implicit time discretizatio
Externí odkaz:
http://arxiv.org/abs/1405.5245
Autor:
Bonaventura, L., Ferretti, R.
Semi-Lagrangian methods have traditionally been developed in the framework of hyperbolic equations, but several extensions of the Semi-Lagrangian approach to diffusion and advection--diffusion problems have been proposed recently. These extensions ar
Externí odkaz:
http://arxiv.org/abs/1405.4509
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