A Non-Local Mode-I Cohesive Model for Ascending Thoracic Aorta Dissections (ATAD)
- Authors: Alotta, Gioacchino; Bologna, Emanuela; Di Giuseppe, Marzio; Zingales, Massimiliano; Dimitri, Rossana; Pinnola, Francesco Paolo; Zavarise, Giorgio
- Publication year: 2018
- Type: Contributo in atti di convegno pubblicato in volume
- OA Link: http://hdl.handle.net/10447/338406
Abstract
This paper presents a non-local interface mechanical model to describe aortic dissection. In this regard, the mode-I debonding problem based on a cohesive zone modeling is endowed with non-local terms to include long-range interactions that are present in multi-layered biological tissue. Such non-local effects are related to the collagen fibers that transmit forces between non-adjacent elements. Numerical simulations are provided with different values of the non-local parameters in order to show the effect of the non-locality during the debonding processes.