Balancing aspects of numerical dissipation, dispersion, and aliasing in time‐accurate simulations
Sign Up to like & getrecommendations! Published in 2020 at "International Journal for Numerical Methods in Fluids"
DOI: 10.1002/fld.4837
Abstract: The current study looks at the selection of scheme elements that are well‐suited for long‐time integration of unsteady flows in the absence or under‐resolution of physical diffusion. A concerted assembly of numerical components are chosen… read more here.
Keywords: time; numerical dissipation; balancing aspects; order ... See more keywords
Study of the Spectral Difference Numerical Dissipation for Turbulent Flows Using Unstructured Grids
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DOI: 10.1007/s10494-017-9847-5
Abstract: In this paper, the numerical dissipation properties of the Spectral Difference (SD) method are studied in the context of vortex dominated flows and wall-bounded turbulence, using uniform and distorted grids. First, the validity of using… read more here.
Keywords: study spectral; spectral difference; dissipation; numerical dissipation ... See more keywords
Simulation of shell buckling by implicit dynamics and numerically dissipative schemes
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DOI: 10.1016/j.tws.2018.08.010
Abstract: Abstract Shell buckling process is studied by implicit structural dynamics time-stepping schemes with numerical dissipation (in the high-frequency range), which fall into the class of Generalized energy-momentum method. In particular, modified Generalized- α , Bossak,… read more here.
Keywords: high frequency; shell buckling; simulation; numerical dissipation ... See more keywords