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22. Unsteady incompressible flow of a dispersive transversely isotropic material in a planar channelRebecca Tozzi (Università di Firenze)04/06/2026, 16:30MS15 - Theoretical and Computational Mechanics of Time-Dependent Materials
In this work, we consider a linearized model for transversely isotropic bodies, in which dispersion is characterized by a preferred direction. We investigate the unsteady incompressible flow of these materials in a planar channel under suitable boundary and initial conditions. The problem is reduced to a system of time-dependent partial differential equations, which is solved using projection...
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Nico Stortini (ENSTA Bretagne)04/06/2026, 16:45MS15 - Theoretical and Computational Mechanics of Time-Dependent Materials
Adhesive bonding technology is increasingly being adopted in the automotive, aerospace, and
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naval sectors [1], driven by the demand for lightweight and easy-to-assemble joints, as well as
by advances in chemical formulations. Its application in safety-critical components poses sig-
nificant modeling challenges, requiring an accurate representation of both in-service behavior
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Andrea Pastore (Politecnico di Torino)04/06/2026, 17:00MS15 - Theoretical and Computational Mechanics of Time-Dependent Materials
Nematic elastomers are cross-linked polymer networks where rod-like mesogens, described by a director field, determine the material’s internal structure. Standard theories in soft elasticity assume macroscopic isochoricity (incompressibility) and the mesogens’ inextensibility. These conditions can be enforced as internal constraints, thereby aligning with thermodynamically compatible...
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Vincenzo Fazio (University of Trento)04/06/2026, 17:15MS15 - Theoretical and Computational Mechanics of Time-Dependent Materials
Environmental conditions strongly influence the mechanical response of spider silk and therefore must be considered when interpreting experiments and designing silk-inspired materials [1, 2, 3]. In particular, variations in relative humidity can induce supercontraction together with a concomitant torsional response. However, these coupled effects have not yet been systematically investigated...
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Alessandro Giammarini (Politecnico di Milano)04/06/2026, 17:30MS15 - Theoretical and Computational Mechanics of Time-Dependent Materials
The keratoconus is a pathological condition that can affect the shape of the human cornea, which is the dome-like, hydrated, transparent tissue with structural function that withstands the pressure exerted by the physiological intraocular pressure [1], and causes it to assume a conical shape. Albeit the biological causes for the insurgence of keratoconus are currently unknown, several studies...
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Giulio Lucci (Sapienza University of Rome)04/06/2026, 17:45MS15 - Theoretical and Computational Mechanics of Time-Dependent Materials
Biological tissues are intrinsically viscoelastic and highly anisotropic, owing to the complex spatial distribution of embedded fibres, predominantly collagen. Accurately modeling these time-dependent, directionally biased mechanical responses under large deformations remains a cornerstone of theoretical biomechanics and holds significant diagnostic potential for biomedical applications....
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Federico Califano (Sapienza University of Rome)04/06/2026, 18:00MS15 - Theoretical and Computational Mechanics of Time-Dependent Materials
This work introduces a computational framework for the finite-element simulation of finite-strain nonlinear viscoelasticity using the Deep Rheological Element (DRE). The DRE represents a neural-network-augmented dashpot whose viscosity function is learned from data while remaining embedded in a thermodynamically consistent architecture. We integrate this element into a finite-strain...
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