Hysteretic Mapping of Structural Wood Systems
Abstract
Abstract Any realistic model of structural wood systems must account for the equivalent hysteresis, which is the principal source of internal energy dissipation. Thus, determination of model parameters for hysteresis should be a first step in dynamic analysis. This paper presents a plan to use system identification techniques to estimate hysteresis model parameters for wood joints and structural systems from the extensive base of experimental data on cyclic tests that have been collected over the years around the world. A smoothly varying hysteresis loop, which represents an extension of the Bouc-Wen model, can be generated to bring about pinching as well as stiffness and strength degradation. The identified models will be used to study the dynamic response of single and multi-degree-of-freedom wood structures subjected to both deterministic and stochastic loads.
Reference
G. C. Foliente; F. Ma. (1997). Hysteretic Mapping of Structural Wood Systems. Volume 5: 17th Computers in Engineering Conference. https://doi.org/10.1115/detc97/cie-4450
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