SYMPOSIA PAPER Published: 01 January 2003
STP38405S

Viscoelastic Model of Anisotropic Flywheels

Source

A theoretical model for plane-stress, anisotropic, multiple-concentric-ring rotors subjected to time-variable spinning, press-fit, and thermal loads is presented. The problem solution is based on a mechanics of materials approach with a linear viscoelastic constitutive law and Schapery's quasi-elastic solution technique. The model accounts for the effects of temperature on the material creep properties by including time-shifting. Simulations of the stresses and strains in flywheel rotors under realistic non-isothermal load histories are given.

Author Information

Emerson, RP
Perm State University, University Park, PA
Bakis, CE
Penn State University, University Park, PA
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Details
Developed by Committee: D30
Pages: 75–92
DOI: 10.1520/STP38405S
ISBN-EB: 978-0-8031-5568-8
ISBN-13: 978-0-8031-3465-2