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DYNALIST II. A Computer Program for Stability and Dynamic Response Analysis of Rail Vehicle Systems. Volume IV. Revised User's Manual

Report Number: FRA-OR&D-75-22.IV
Author: Bronowicki, Allen
Author: Hasselman, T. K.
Corporate Author: J. H. Wiggins Company
Date of Publication: 1976-07
Pages: 160
Contract: DOT-TSC-990
PB Number: PB258194

Several new capabilities have been added to the DYNALIST II computer program,. These include: (1) a component matrix generator that operates as a 3-D finite element modeling program where elements consist of rigid bodies, flexural bodies, wheelsets, suspension elements, and point masses assembled on a nodal skeleton; (2) a periodic and transient time-history response capability; (3) a component update capability for parametric studies; (4) an orthogonality check on component and system complex eigenvectors; (5) an option for improving low-frequency convergence under modal trunction; (6) a more general sine-amplitude forcing function capability; (7) automatic phase lag generation; (8) user-controlled scaling options on all response plots; and a number of additional minor improvements. A Technical Report Addendum and a completely Revised User's Manual document these changes to the previous version of DYNALIST II.

S. Kumar
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