...Marcelo A. Delgado Filho; André G. Cunha Filho; Antônio M. G. de Lima; Noureddine Bouhaddi; Najib Kacem We propose using viscoelastic damping with combined hardening and free-play structural nonlinearities to enhance energy harvesting performance and control vibration in a pitch and plunge airfoil...

...Yue Ding; Wei-Ke Yuan; Shi-Wen Chen; Xinrui Niu; Gang-Feng Wang The oscillatory indentation has become an attractive approach to characterizing the viscoelastic properties of soft biological solids. However, the influences of surface tension on oscillatory responses are ignored, which might lead...

...Xing Su; Amin Mehrabian A general solution to harmonic excitation of beam-shaped specimens made from porous, fluid-saturated, transversely isotropic, and viscoelastic materials is developed and presented. The solution draws from Biot's theory of dynamic poroviscoelasticity and adopts a modification...

...Lorenzo Santi; Gianni Royer-Carfagni Numerical approaches are elaborated to calculate the rheological response of laminated glass beams, whose viscoelastic interlayer is modeled via fractional calculus. This mathematical description is very effective when the relaxation function of the polymer can...

... or measured, but not really explained by the model. Shrimali and Lopez-Pamies (SLP) have recently built a theory on viscoelastic fracture from recent experimental evidence of a critical (stretch rate-independent) stretch on nucleation of cracks in the pure shear tests. The theory in other words incorporates...

...Bhavesh Shrimali; Oscar Lopez-Pamies Shrimali and Lopez-Pamies (2023, “The ‘Pure-Shear’ Fracture Test for Viscoelastic Elastomers and Its Revelation on Griffth Fracture,” Extreme Mech. Lett., 58, p. 101944) have recently shown that the Griffith criticality condition that governs crack growth...

... of these remarkable characteristics, HMSMs are promising candidates for the remotely controlled actuators. The magnetic actuation behavior of the hard-magnetic soft actuators (HMSAs) is considerably affected by the viscoelastic material behavior of HMSMs. In this article, we aim at developing an analytical dynamic...

...Xing Su; Amin Mehrabian This paper presents the viscoelastic analytical solution for stress and displacement due to prescribed time-varying changes in the pore fluid pressure of a disk-shaped inclusion embedded within a semi-infinite, viscoelastic medium. The correspondence principle...

... such as the intrinsic viscoelastic behavior of the polymer chains and the dynamic bond breakage and formation mechanism. In this chapter, we extend the QC approach presented in Ghareeb and Elbanna (2020, An Adaptive Quasi-Continuum Approach for Modeling Fracture in Networked Materials: Application to Modeling...

... as an Euler–Bernoulli beam, and the substrate is assumed as a Pasternak foundation with Kelvin viscoelasticity. The natural frequencies and their corresponding vibration modes of the buckled film with the substrate are obtained. The results indicate that the increases of stiffness and damping of the substrate...

...A. Aladwani; M. Nouh Energy dissipation in polymeric composite metamaterials requires special mathematical models owing to the viscoelastic nature of their constituents, namely, the polymeric matrix, bonding agent, and local resonators. Unlike traditional composites, viscoelastic metamaterials...

... Contributed by the Applied Mechanics Division of ASME for publication in the J ournal of A pplied M echanics . 06 02 2020 02 04 2020 02 04 2020 18 05 2020 computational mechanics structures beam elasticity viscoelasticity Recent additive manufacturing techniques...

... a donor substrate via elastomeric stamps, from which the devices are grown or fabricated, followed by printing to a receiver substrate where the device is assembled to an array for integration in various applications. Among the five approaches of transfer printing summarized in the paper, the viscoelastic...

... in the literature have addressed flaw tolerance in elastic structures, so far there has been little investigation of this issue in time-dependent, viscoelastic systems, in spite of its importance to biological materials. In this paper, we investigate flaw tolerance in a viscoelastic strip under tension and derive...

... for the numerical treatment of particle-fluid interactions. The particle properties are constitutively described by an adhesive viscoelastic model. To compute the hydrodynamic forces, a direct integration method is employed, where the fluid stresses are integrated over the particles’ surfaces. For the purpose...

...Yaoting Zhu; Lu Sun; Huilin Xu A numerical method for directly obtaining discrete relaxation modulus from static creep tests data is developed for linear viscoelastic asphalt mixtures. To overcome the ill-posedness of interconversion between creep compliance and relaxation modulus, Volterra...

...Huan-Feng Duan; Mohamed S. Ghidaoui; Yeou-Koung Tung This study investigates the energy relations and dissipations in viscoelastic pipeline under fluid transients. The investigation is carried out analytically using energy analysis and Fourier transform techniques for viscoelastic waterhammer...

...Sondipon Adhikari This paper proposes a new approach for the reduction in the model-order of linear multiple-degree-of-freedom viscoelastic systems via equivalent second-order systems. The assumed viscoelastic forces depend on the past history of motion via convolution integrals over kernel...

... are relaxation times and creep times. This theory differs from the classical polynomial constitutive equations for linear viscoelasticity. It is a special case of Rabotnov’s equations and Torvik and Bagley’s fractional calculus polynomial equations, but it imposes symmetry conditions on the stress and strain...

... biomagnetism channel flow differential equations finite difference methods friction haemorheology heat transfer magnetisation magnetocaloric effects non-Newtonian fluids viscoelasticity biomagnetic fluid non-Newtonian model visco-elasticity stretching walls The study of biomagnetic...