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Keywords: friction
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2023, 90(9): 091002.
Paper No: JAM-23-1156
Published Online: May 23, 2023
... nonlinearities, whereas the role of hysteretic nonlinearity remains unexplored. In this work, we investigate nonlinear shear wave responses arising from the hysteretic nonlinearity of frictional rough contacts, and harness these responses to enable programmable functions. By using a numerical approach, we solve...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. June 2023, 90(6): 061005.
Paper No: JAM-22-1421
Published Online: February 22, 2023
...). The aim of the current paper is to model coupled friction and material nonlinearities in HDPE samples and to relate them to load-dependent nonlinearities in tangential stiffness and damping capacities as previously observed in in-situ SEM experiments. In particular, a 3D finite element model of a rigid...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. April 2023, 90(4): 041005.
Paper No: JAM-22-1377
Published Online: January 10, 2023
...Bo-Hua Sun; Wen Dang; Xiao-Lin Guo In this paper, we consider the interlayer slidable friction structures on soft-substrate as the hardcover book-like-laminated-plates with internal friction on the Winkler foundation. For a quasi-static problem, a detailed analysis of the bending response...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. December 2021, 88(12): 124501.
Paper No: JAM-21-1239
Published Online: August 24, 2021
..., anomalies in the Love wave dispersion have been reported in the literature. When slip occurs at the crust-mantle interface, another kind of an interfacial wave, called the slip wave can exist. It is shown that the dispersion relation of the slip wave, with a slip weakening friction law, appears...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. December 2020, 87(12): 121002.
Paper No: JAM-20-1357
Published Online: September 16, 2020
...Matthew Brownell; Arun K. Nair Polytetrafluoroethylene (PTFE) has been studied as a low friction surface coating since its discovery. The high wear-rate of PTFE reduces the usefulness of the polymer for mechanical purposes; however, combining PTFE with polydopamine (PDA) has been shown to greatly...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. May 2019, 86(5): 054501.
Paper No: JAM-18-1696
Published Online: March 5, 2019
...Ziyou Wu; Dan Zhao; Shai Revzen Conventional wisdom would have it that moving mechanical systems that dissipate energy by Coulomb friction have no relationship between force and average speed. One could argue that the work done by friction is constant per unit of distance travelled...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. June 2016, 83(6): 061003.
Paper No: JAM-15-1441
Published Online: March 28, 2016
... for that is due to the lack of reasonable understanding for the influence of combined sliding and rolling friction on the disk dynamics. To unveil how the two types of friction affect the disk motion, this paper presents a combined investigation of experiments and simulations on the dynamics of a spinning disk...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. July 2014, 81(7): 071004.
Paper No: JAM-13-1517
Published Online: March 12, 2014
.... The incorporation of microcapsules dramatically decreased the friction and wear of the composites from those of the epoxy. The increased microcapsule content or the incorporation of larger microcapsules decreased the friction and wear of the epoxy composites due to the larger amount of released wax lubricant via...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. July 2013, 80(4): 041032.
Paper No: JAM-12-1407
Published Online: May 31, 2013
... The static friction coefficient, defined by the ratio of the maximum tangential force to the normal load, was also investigated with the proposed FEM model. Figure 11 presents the static friction coefficient behavior under different normal preload levels with different fracture models. All of the models...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. July 2013, 80(4): 040906.
Paper No: JAM-13-1022
Published Online: May 31, 2013
... the tunability of such an oscillator in terms of frequency and friction by its varying geometric parameters. Exploration of the damping mechanism by combining the autocorrelation function theory and the direct atomistic simulations reveals that the friction force is proportional to the velocity of oscillatory...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2011, 78(6): 061008.
Published Online: August 24, 2011
... shells of revolution which are wound along the semigeodesic fiber paths counting on the preset friction used during the winding process. Sample results are obtained for truncated conical and spherical shells of revolution and the effect of preset friction on the vibration characteristics of filament...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2011, 78(6): 061002.
Published Online: August 22, 2011
... to determine fully parameters for relevant mathematical models. On the other hand, fine-mesh finite element (FMFE) modeling facilitates innumerable numerical experiments at modest cost. Detailed FMFE analysis of built-up structures with frictional interfaces reproduces trends among problem parameters found...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051015.
Published Online: August 5, 2011
... in the interior ballistic cycle. According to simulations and analysis, the projectile positioning structure is feasible and the strength of the projectile can meet the strength requirement for launch conditions. For different maximum static friction coefficients, simulations show that an increase in the maximum...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. July 2011, 78(4): 041011.
Published Online: April 13, 2011
...R. H. Plaut; D. A. Dillard; A. D. Borum Equilibrium states are investigated for a heavy flexible strip that is fixed at one end and rests on an internal frictional support. Large vertical deflections are admitted. In the analytical portion of the study, the strip is modeled as an inextensible...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. July 2011, 78(4): 041008.
Published Online: April 13, 2011
... affected by the channel surface properties. Based on the experimental study it is concluded that a unique shear yield stress cannot be defined for a given MR fluid, since its pressure drop depends on the surface topology of the device. Therefore, a relation for nondimensional friction factor associated...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2011, 78(3): 031011.
Published Online: February 15, 2011
.... The critical overhang length depends on (a) the length, weight per unit length, and bending stiffness of the strip, (b) the coefficients of friction (CoFs) between the strip and both the surface and its edge, and (c) the inclination of the surface. The strip is modeled as an inextensible elastica. A shooting...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 2011, 78(2): 021017.
Published Online: December 20, 2010
..., the governing differential equation reduces to an algebraic equation with an explicit analytical solution. Furthermore, the bulk viscosity of the damp powder does not enter this solution. Consequently, it is suggested that the rotating impervious cone is a useful geometry to measure the interfacial friction law...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 2011, 78(2): 021011.
Published Online: November 9, 2010
...M. Eriten; A. A. Polycarpou; L. A. Bergman The effect of roughness on the frictional energy dissipation in fretting contact of nominally flat rough surfaces is studied. The contact is modeled as the statistical sum of asperity tip junctions. A mathematical analysis with a probability distribution...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. March 2011, 78(2): 024501.
Published Online: November 8, 2010
.... The proposed formula verifies well the results given by Rayleigh, Blasius, and Williams–Rhyne for all time, thus for all Strouhal number values, which is the characteristic of the studied problem. As the main results, the local skin friction depending on a Strouhal number is given in an aim to show...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2010, 77(6): 061010.
Published Online: August 20, 2010
... with the friction coefficient. Stable or unstable spiraling and oscillating modes were seen to occur in well defined shaft speed zones. In the main, for the configurations studied, the shaft vibration was found to be unstable for speeds below the first critical speed and stable for speeds above the first critical...