NASA NTRS · 19780004529
Addition of rigid elements to NASTRAN
Abstract
Four rigid elements, namely, a rigid rod element (CRIGDR) and three rigid body elements (CRIGD1, GRIGD2 and CRIGD3), have recently been added to NASTRAN and will be available in the next public release of the program. The theoretical formulation, the bulk data information and the programming details pertaining and realistic problems are illustrated by employing them in the solution of two helicopter structural analysis problems.
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Pamidi, P. R., Ronkhite, J. D.. 1977-01-01. Addition of rigid elements to NASTRAN. https://ntrs.nasa.gov/citations/19780004529
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