منابع مشابه
Non-Acoustic Detection Of Moving Submerged Bodies In Ocean
Although, acoustic techniques are currently the mainstay for detection and tracking of submerged bodies like submarine and autonomous underwater vehicles (AUV), advent of silent submarines and the ensuing reduction of acoustic signatures and development of anechoic coatings is making detection very difficult especially in shallow water environment. Though there are some promising non-acoustic t...
متن کاملA novel boundary condition for the simulation of the submerged bodies using lattice boltzmann method
In this study, we proposed a novel scheme for the implementation of the no-slip boundary condition in thelattice Boltzmann method (LBM) . In detail , we have substituted the classical bounce-back idea by the direct immersed boundary specification . In this way we construct the equilibrium density functions in such a way that it feels the no-slip boundaries . Therefore , in fact a kind of equili...
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In this paper we consider the two-dimensional linear problem of wave–body interaction with surface tension effects being taken into account. We suggest a criterion for unique solvability of the problem based on symmetrization of boundary integral equations. The criterion allows us to develop an algorithm for detecting non-uniqueness (finding trapped modes) for given geometries of bodies; exampl...
متن کاملa novel boundary condition for the simulation of the submerged bodies using lattice boltzmann method
in this study, we proposed a novel scheme for the implementation of the no-slip boundary condition in thelattice boltzmann method (lbm) . in detail , we have substituted the classical bounce-back idea by the direct immersed boundary specification . in this way we construct the equilibrium density functions in such a way that it feels the no-slip boundaries . therefore , in fact a kind of equili...
متن کاملFlow force and torque on submerged bodies in lattice-Boltzmann via momentum exchange
We present a new derivation of the momentum exchange algorithm first introduced by Ladd [12], to compute the flow force and torque on a submerged body. The starting point of our derivation is to consider the time derivative of the total momentum of a virtual fluid system that replaces the submerged body in the real problem. The new derivation gives, in turn, some correction terms to the origina...
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ژورنال
عنوان ژورنال: Environmental Humanities
سال: 2020
ISSN: 2201-1919,2201-1919
DOI: 10.1215/22011919-8142242