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Keywords: viscoelasticity
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2022, 89(5): 051009.
Paper No: JAM-21-1442
Published Online: March 4, 2022
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2021, 88(11): 111007.
Paper No: JAM-21-1257
Published Online: July 21, 2021
... 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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. April 2021, 88(4): 041007.
Paper No: JAM-20-1600
Published Online: January 7, 2021
... 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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. February 2021, 88(2): 021003.
Paper No: JAM-20-1426
Published Online: November 3, 2020
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. August 2020, 87(8): 081006.
Paper No: JAM-20-1059
Published Online: May 18, 2020
... of its lower boundary, as shown in the insets in Fig. 5 . The beams are made of a standard viscoelastic material approximated by the potentials (14) with a relaxation time t r = η / E 2 ≈ 0.00334 s and a contrast in moduli E 2 = 0.3 E 1 . We consider slender, quasi...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. July 2013, 80(4): 041019.
Paper No: JAM-12-1369
Published Online: May 16, 2013
... 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...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. July 2013, 80(4): 041014.
Paper No: JAM-12-1252
Published Online: May 16, 2013
... 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...
Journal Articles
Article Type: Special Section: Computational Fluid Mechanics And Fluid–Structure Interaction
J. Appl. Mech. January 2012, 79(1): 010901.
Published Online: December 13, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2011, 78(3): 031002.
Published Online: February 1, 2011
...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...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. July 2010, 77(4): 044503.
Published Online: April 12, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2010, 77(4): 041003.
Published Online: March 31, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2010, 77(3): 031008.
Published Online: February 8, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2009, 76(6): 061006.
Published Online: July 23, 2009
... 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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2009, 76(5): 051002.
Published Online: June 16, 2009
...Yuning Zhang; Inna Sharf Compliant contact force modeling has become a popular approach for contact and impact dynamics simulation of multibody systems. In this area, the nonlinear viscoelastic contact force model developed by Hunt and Crossley (1975, “Coefficient of Restitution Interpreted...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2009, 76(4): 041001.
Published Online: April 21, 2009
...Lu Sun; Wenjun Gu; Feiquan Luo An analytical solution of steady-state dynamic response of a multilayered viscoelastic medium to a moving distributed load is obtained using a novel approach that combines transfer matrix method with Sun’s convolution representation integrated over impulse response...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2009, 76(1): 011009.
Published Online: November 5, 2008
...N. Gil-Negrete; J. Vinolas; L. Kari A nonlinear rubber material model is presented, where influences of frequency and dynamic amplitude are taken into account through fractional order viscoelasticity and plasticity, respectively. The problem of simultaneously modeling elastic, viscoelastic...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2008, 75(6): 061019.
Published Online: August 21, 2008
... buckling supported by cytoplasm. The microtubule is modeled as a linearly elastic cylindrical tube while the cytoplasm is characterized by different types of materials, namely, viscous, elastic, or viscoelastic. The dynamic evolution equations, the fastest growth rate, the critical wavelength...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2008, 75(6): 061018.
Published Online: August 21, 2008
...Zhong-min Wang; Yan Wang; Yin-feng Zhou Based on the thin plate theory and the two-dimensional viscoelastic differential type constitutive relation, the differential equation of motion of a viscoelastic plate containing an all-over part-through crack and subjected to uniformly distributed...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2008, 75(6): 061011.
Published Online: August 20, 2008
...) and viscoelastic (rate-dependent) behaviors. The COR is calculated based on a modified Maxwell model for compliance of the bodies in the small deforming region around the initial contact point. Modifications to the Maxwell model incorporate the effects of plasticity and viscoelasticity, so the calculated COR gives...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2008, 75(3): 031017.
Published Online: May 2, 2008
... knowledge of the mechanical behavior of these materials, e.g., the long term viscoelastic (creep/relaxation) behavior of the carbon cathode. In this present paper, a three-dimensional viscoelastic model is devised and proposed, being ready to be implemented in a finite element code. This 3D viscoelastic...