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Summary of Improved Equivalent Linearization Implementations Using Nonlinear Stiffness Evaluation by Stephen A. Rizzi PDF
This report documents two new implementations of equivalent linearization for solving geometrically nonlinear random vibration problems of complicated structures. The implementations are given the acronym ELSTEP, for "Equivalent Linearization using a Stiffness Evaluation Procedure." Both implementations of ELSTEP are fundamentally the same in that they use a novel nonlinear stiffness evaluation procedure to numerically compute otherwise inaccessible nonlinear stiffness terms from commercial finite element programs. The commercial finite element program MSC/NASTRAN (NASTRAN) was chosen as the core of ELSTEP. The FORTRAN implementation calculates the nonlinear stiffness terms and performs the equivalent linearization analysis outside of NASTRAN.
Detail About Improved Equivalent Linearization Implementations Using Nonlinear Stiffness Evaluation PDF
- Author : Stephen A. Rizzi
- Publisher : DIANE Publishing
- Genre : Random vibration
- Total Pages : 82 pages
- ISBN :
- Release Date : 02 June 2024
- PDF File Size : 51,5 Mb
- Language : English
- Rating : 4/5 from 21 reviews
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