slender-body theory


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slender-body theory

[¦slen·dər ′bäd·ē ‚thē·ə·rē]
(fluid mechanics)
The theory of compressible inviscid fluid flow past bodies which have pointed noses and bases, or flat bases in supersonic flow only, and which satisfy the following conditions: (1) the ratio r of the maximum thickness to the length of the body must be small compared with unity, (2) the angle between the tangent plane to the body and the direction of motion must be small and of order r, and (3) the smoothness conditions.
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References in periodicals archive ?
Hwang applied the slender-body theory to explain the mechanism of the drift of linear hydrodynamic coefficients which is due to the dynamic cancellation [25].
Table 5 lists the identification results of the hydrodynamic coefficients, in which the added masses and added moment of inertia are calculated by slender-body theory, as stated in Section 2.
To determine the added masses and added moment of inertia, slender-body theory provides a simple estimation method.