NASA NTRS · 19720025231
Complex eigenvalue analysis of rotating structures
Abstract
A FORTRAN subroutine to NASTRAN which constructs coriolis and centripetal acceleration matrices, and a centrifugal load vector due to spin about a selected point or about the mass center of the structure is discussed. The rigid translational degrees of freedom can be removed by using a transformation matrix T and its explicitly given inverse. These matrices are generated in the subroutine and their explicit expressions are given.
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Patel, J. S., Seltzer, S. M.. 1972-09-01. Complex eigenvalue analysis of rotating structures. https://ntrs.nasa.gov/citations/19720025231
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