629.762 Numerical evaluation of body added mass coefficients introduced by means of acceleration potentials, for the case of slightly compressible liquids

Plyusnin A. V. (Bauman Moscow State Technical University)

ADDED MASS, ACCELERATION POTENTIAL, INCOMPRESSIBLE LIQUID, COMPRESSIBLE LIQUID, ACOUSTICAL APPROACH


doi: 10.18698/2309-3684-2019-4-1530


It is demonstrated that all 36 added mass and inertia coefficients of a body located in an unbounded ideal incompressible liquid may be introduced for the momentary state of rest by using acceleration potentials instead of classical velocity potentials specifying generally not-existent irrotational unseparated flows. The meaning of this conception is investigated with respect to real liquids having the compressibility property, by means of a numerical experiment fulfilled in the framework of an acoustical approach.


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