Dynamic behavior and mechanical features of wool felt
Autor: | Anatoli Stulov |
---|---|
Rok vydání: | 2004 |
Předmět: | |
Zdroj: | Acta Mechanica. 169:13-21 |
ISSN: | 1619-6937 0001-5970 |
DOI: | 10.1007/s00707-004-0104-3 |
Popis: | Experimental testing of piano hammers, which consist of a wood core covered with several layers of compressed wool felt demonstrates, that all hammers have the hysteretic type of the force-compression characteristics. It is shown, that different mathematical hysteretic models can describe the dynamic behavior of the hammer felt. In addition to the four-parameter nonlinear hysteretic felt model, another new three-parameter hysteretic model is presented. Both models are based on the assumption that the hammer felt made of wool is a microstructured material possessing history-dependent properties. The equivalence of these models is proved for all realistic values of hammer velocity. |
Databáze: | OpenAIRE |
Externí odkaz: |