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This book is devoted to analytically approximate methods in the nonlinear dynamics of a rigid body with cavities (containers) partly filled by a liquid. The methods are normally based on the Bateman-Luke variational formalism combined with perturbation theory. The derived approximate equations of spatial motions of the body-liquid mechanical system (these equations are called mathematical models in the title) take the form of a finite-dimensional system of nonlinear ordinary differential equations coupling quasi-velocities of the rigid body motions and generalized coordinates responsible…mehr

Produktbeschreibung


This book is devoted to analytically approximate methods in the nonlinear dynamics of a rigid body with cavities (containers) partly filled by a liquid. The methods are normally based on the Bateman-Luke variational formalism combined with perturbation theory. The derived approximate equations of spatial motions of the body-liquid mechanical system (these equations are called mathematical models in the title) take the form of a finite-dimensional system of nonlinear ordinary differential equations coupling quasi-velocities of the rigid body motions and generalized coordinates responsible for displacements of the natural sloshing modes. Algorithms for computing the hydrodynamic coefficients in the approximate mathematical models are proposed. Numerical values of these coefficients are listed for some tank shapes and liquid fillings. The mathematical models are also derived for the contained liquid characterized by the Newton-type dissipation. Formulas for hydrodynamic force and moment are derived in terms of the solid body quasi-velocities and the sloshing-related generalized coordinates. For prescribed harmonic excitations of upright circular (annular) cylindrical and/or conical tanks, the steady-state sloshing regimes are theoretically classified; the results are compared with known experimental data.

The book can be useful for both experienced and early-stage mechanicians, applied mathematicians and engineers interested in (semi-)analytical approaches to the "fluid-structure" interaction problems, their fundamental mathematical background as well as in modeling the dynamics of complex mechanical systems containing a rigid tank partly filled by a liquid.


Dieser Download kann aus rechtlichen Gründen nur mit Rechnungsadresse in A, B, BG, CY, CZ, D, DK, EW, E, FIN, F, GB, GR, HR, H, IRL, I, LT, L, LR, M, NL, PL, P, R, S, SLO, SK ausgeliefert werden.

  • Produktdetails
  • Verlag: Gruyter, Walter de GmbH
  • Seitenzahl: 410
  • Erscheinungstermin: 24.04.2015
  • Englisch
  • ISBN-13: 9783110389739
  • Artikelnr.: 44423654
Autorenporträt


Ivan A. Lukovsky, National Academy of Sciences of Ukraine, Kiev, Ukraine.

Inhaltsangabe
Preface Introduction 1. Governing equations and boundary conditions in the liquid sloshing dynamics 1.1. Conservation laws and basic hydrodynamic equations 1.2. Links between the stress tensors and the strain rate 1.3. Governing equations for the contained liquid motions 1.4. Boundary and initial conditions 1.5. The free-surface sloshing problem in a curvilinear coordinate system 2. The Bateman-Luke variational principle and associated projective methods in the dynamics of a rigid tank partly filled by a liquid 2.1. Variational formulation of sloshing problem in a motionless container 2.2. Projective (multimodal) methods for sloshing problem in a motionless container with upright walls in a neighborhood of the free surface 2.3. Generalizing the multimodal methods for complex tank shapes 2.4. Variational formulation and modal equations in a linear approximation 2.5. The Bateman-Luke variational formulation of sloshing problem for prescribed spatial tank motions 2.6. Projective approximate (multimodal) method in sloshing problem for prescribed spatial tank motions 2.7. Variational formulation of the Stokes-Joukowski potentials problem 2.8. Hydrodynamic force and moment5 2.9. The Bateman-Luke variational formulation and related projective (multimodal) method for the coupled `rigid tank-contained liquid' dynamics 3. Nonlinear approximate (modal) equations for sloshing a rigid upright circular (annular) cylindrical tank 3.1. Nonlinear approximate modal equations for sloshing in an upright cylindrical tank of circular and annular cross-sections 3.2. Generalizing the nonlinear modal equations for a dissipative incompressible liquid within the framework of the Newton dissipation hypothesis 3.3. Computing the hydrodynamic coefficients of the nonlinear modal equations when the tank has a uniform axisymmetric bottom 3.4. Computing the hydrodynamic coefficients of the nonlinear modal equations for an upright cylindrical tank of elliptical cross-section 3.5. The Stokes-Joukowski potentials for an upright annular cylindrical tank 3.6. Expressions for the inertia tensor and other hydrodynamic parameters 3.7. Scalar-form equations for the tank-liquid dynamics in particular cases 3.8. Nonlinear approximate equations of weakly-perturbed motions of the tank-liquid mechanical system in the case of an upright circular cylindrical tank 4. Nonlinear approximate modal equations for sloshing in non-cylindrical axisymmetric containers 4.1. Natural sloshing modes for a conical tank 4.2. Nonlinear modal equations for sloshing in a conical tank 4.3. A single-dimensional modal equation for sloshing in a spherical tank 5. Nonlinear approximate modal equations of the tank-liquid dynamics derived by utilizing the perturbation theory6 5.1. Reducing the nonlinear sloshing problem to a series of linear boundary value problemsPreface Introduction 1. Governing equations and boundary conditions in the liquid sloshing dynamics 1.1. Conservation laws and basic hydrodynamic equations 1.2. Links between the stress tensors and the strain rate 1.3. Governing equations for the contained liquid motions 1.4. Boundary and initial conditions 1.5. The free-surface sloshing problem in a curvilinear coordinate system 2. The Bateman-Luke variational principle and associated projective methods in the dynamics of a rigid tank partly filled by a liquid 2.1. Variational formulation of sloshing problem in a motionless container 2.2. Projective (multimodal) methods for sloshing problem in a motionless container with upright walls in a neighborhood of the free surface 2.3. Generalizing the multimodal methods for complex tank shapes 2.4. Variational formulation and modal equations in a linear approximation 2.5. The Bateman-Luke variational formulation of sloshing problem for prescribed spatial tank motions 2.6. Projective approximate (multimodal) method in sloshing problem for prescribed spatial tank motions 2.7. Variational formulation of