Method makes use of 2-dimensional water mass variation and aspect ratio correction for 3-dimensional flow; equations derived lead to impact coefficients that depend on approach parameter which, in turn, depends upon initial trim and flight path angles; comparison with theory is shown at maximum load and penetration for flat bottom model with beam loading coefficients from 36.5 to 133.7.
Generalized hydrodynamic-impact theory for loads and motions of deeply immersed prismatic bodies
NASA -- Memo
1959
27 pages
Report
English
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Engineering Index Backfile | 1952
|Engineering Index Backfile | 1953
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