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EnglishIn this paper a non linear stress-strain relation based on an integral formulation with a power-law kernel is proposed. This constitutive law is able to reproduce both the viscoelastic behavior and the inelastic irreversible phenomenon. It is shown how the proposed stress-strain law is capable to fit experimental data obtained from tensile tests on two kind of metal alloys. Such best-fitting procedure have shown the accuracy of the proposed model and its results are compared to other ones obtained with the aid of classical non-linear constitutive law.
A non-linear stress-strain relation endowed with fractional derivative elements / Zavarise, G; Pinnola, Fp. - STAMPA. - (2018). ((Intervento presentato al convegno The International Conference on Fractional Differentiation and its Applications tenutosi a Amman nel 16-18 Luglio 2018.
| Titolo: | A non-linear stress-strain relation endowed with fractional derivative elements |
| Autori: | |
| Data di pubblicazione: | 2018 |
| Abstract: | In this paper a non linear stress-strain relation based on an integral formulation with a power-l...aw kernel is proposed. This constitutive law is able to reproduce both the viscoelastic behavior and the inelastic irreversible phenomenon. It is shown how the proposed stress-strain law is capable to fit experimental data obtained from tensile tests on two kind of metal alloys. Such best-fitting procedure have shown the accuracy of the proposed model and its results are compared to other ones obtained with the aid of classical non-linear constitutive law. |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| 39 - 2018 ICFDA Pinnola.pdf | Articolo principale | 2a Post-print versione editoriale / Version of Record | PUBBLICO - Tutti i diritti riservati | Visibile a tuttiVisualizza/Apri |
http://hdl.handle.net/11583/2787132
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