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pro vyhledávání: '"Berselli, LUIGI CARLO"'
Ultrafunctions are a particular class of functions defined on a hyperreal field $\mathbb{R}^{\ast}\supset\mathbb{R}$. They have been introduced and studied in some previous works. In this paper we introduce a particular space of ultrafunctions which
Externí odkaz:
http://arxiv.org/abs/1707.09265
A new fluid-dynamic model is developed to numerically simulate the non-equilibrium dynamics of polydisperse gas-particle mixtures forming volcanic plumes. Starting from the three-dimensional N-phase Eulerian transport equations for a mixture of gases
Externí odkaz:
http://arxiv.org/abs/1509.00093
In this paper we present three multiphase flow models suitable for the study of the dynamics of compressible dispersed multiphase flows. We adopt the Eulerian approach because we focus our attention to dispersed (concentration smaller than 0.001) and
Externí odkaz:
http://arxiv.org/abs/1404.1297
Publikováno v:
Direct and Large Eddy Simulations 9, Dresden 2013
Our work is motivated by the analysis of ash plume dynamics, arising in the study of volcanic eruptions. Such phenomena are characterized by large Reynolds number (exceeding $10^7$) and a large number of polydispersed particles~[1]. Thus, the choice
Externí odkaz:
http://arxiv.org/abs/1404.0959
In this paper we study the motion of a fluid with several dispersed particles whose concentration is very small (smaller than $10^{-3}$), with possible applications to problems coming from geophysics, meteorology, and oceanography. We consider a very
Externí odkaz:
http://arxiv.org/abs/1403.5448
Publikováno v:
Advances in Nonlinear Analysis, Vol 8, Iss 1, Pp 946-978 (2017)
Ultrafunctions are a particular class of functions defined on a hyperreal field ℝ∗⊃ℝ{\mathbb{R}^{\ast}\supset\mathbb{R}}. They have been introduced and studied in some previous works [2, 6, 7]. In this paper we introduce a particular space of
Externí odkaz:
https://doaj.org/article/fece69f6bee548ad954d6bde509c0165
We introduce a scalar elliptic equation defined on a boundary layer given by Π 2 × [0, z top ], where Π 2 is a two dimensional torus, with an eddy vertical eddy viscosity of order z α , α ∈ [0, 1], an homogeneous boundary condition at z = 0, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::43eea9ecbf588ddb92b80ccde9d1a86f
https://hal.science/hal-03877325v2/file/Lin_Bound_Layer_V5.pdf
https://hal.science/hal-03877325v2/file/Lin_Bound_Layer_V5.pdf
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