NASA NTRS · 19780004502
A 3-D hydroelastic analysis in NASTRAN with general fluid and structure geometry
Abstract
The implementation of a general three dimensional hydroelastic mode analysis capability in NASTRAN is presented. Finite elements with polyhedral shapes define the fluid; existing NASTRAN plate elements define the fluid/structure interface. Efficient solution methods were implemented to allow a separate structural matrix reduction and to allow connection of the fluid mass directly to a small set of grid points or modal coordinates representing the structure. Test case results for the various solution options are presented.
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Herting, D. N., Hoesly, R. L., Herendeen, D. L.. 1977-01-01. A 3-D hydroelastic analysis in NASTRAN with general fluid and structure geometry. https://ntrs.nasa.gov/citations/19780004502
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