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- Title
Dynamical properties of a composite microcracked bar based on a generalized continuum formulation.
- Authors
Settimi, Valeria; Trovalusci, Patrizia; Rega, Giuseppe
- Abstract
The dynamical behavior of a mono-dimensional bar with distributed microcracks is addressed in terms of free and forced wave propagation. The multiscale model, derived from a generalized continuum formulation, accounts for the microstructure by means of a microdisplacement variable, added to the standard macrodisplacement, and of internal parameters representing density and length of microcracks. The influence of coupling between micro- and macrodisplacement overall response on the system is discussed, as well as the effect of the damage parameters on the propagating waves.
- Subjects
THEORY of wave motion; MULTISCALE modeling
- Publication
Continuum Mechanics & Thermodynamics, 2019, Vol 31, Issue 6, p1627
- ISSN
0935-1175
- Publication type
Article
- DOI
10.1007/s00161-019-00761-7