A Variational Principle Associated with a Localized Numerical Solution of Unsteady Free-Surface Flows.

Abstract

In this report, a variational principle for unsteady body wave problems is treated both with and without a convolution integral and with both linear and nonlinear free-surface conditions. Functionals are obtained for the numerical computation of unsteady flow fields near a body that moves on or beneath the free surface. This formulation can be applied to ship hydrodynamic performance problems of water entry and body slamming, as well as to arbitrary body motion. (Author)

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1982
Accession Number
ADA120010

Entities

People

  • B. Yim

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Boundaries
  • Boundary Value Problems
  • Convolution
  • Convolution Integrals
  • Equations
  • Far Field
  • Flow
  • Flow Fields
  • Integrals
  • Near Field
  • New York
  • Notation
  • Pressure Distribution
  • Simultaneous Equations
  • Surface Properties
  • Two Dimensional
  • Variational Principles

Readers

  • Fluid Mechanics and Fluid Dynamics.
  • Marine Hydrodynamics
  • Statistical inference.