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1,287 results on '"Kotousov, Andrei"'

19. Development of Micro-mechanical Models of Fatigue Damage

Author

Vidler, James, Kotousov, Andrei, Ng, Ching-Tai, Correia, José A. F. O., Series Editor, De Jesus, Abílio M. P., Series Editor, Ayatollahi, Majid Reza, Advisory Editor, Berto, Filippo, Advisory Editor, Fernández-Canteli, Alfonso, Advisory Editor, Hebdon, Matthew, Advisory Editor, Kotousov, Andrei, Advisory Editor, Lesiuk, Grzegorz, Advisory Editor, Murakami, Yukitaka, Advisory Editor, Carvalho, Hermes, Advisory Editor, Zhu, Shun-Peng, Advisory Editor, Bordas, Stéphane, Advisory Editor, Fantuzzi, Nicholas, Advisory Editor, Gdoutos, Emmanuel, editor, and Konsta-Gdoutos, Maria, editor

Published
2020
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20. Measurement of Elastic Nonlinearities Using the Fundamental Edge Wave Mode

Author

Hughes, James Martin, Kotousov, Andrei, Ng, Ching-Tai, Correia, José A. F. O., Series Editor, De Jesus, Abílio M. P., Series Editor, Ayatollahi, Majid Reza, Advisory Editor, Berto, Filippo, Advisory Editor, Fernández-Canteli, Alfonso, Advisory Editor, Hebdon, Matthew, Advisory Editor, Kotousov, Andrei, Advisory Editor, Lesiuk, Grzegorz, Advisory Editor, Murakami, Yukitaka, Advisory Editor, Carvalho, Hermes, Advisory Editor, Zhu, Shun-Peng, Advisory Editor, Bordas, Stéphane, Advisory Editor, Fantuzzi, Nicholas, Advisory Editor, Gdoutos, Emmanuel, editor, and Konsta-Gdoutos, Maria, editor

Published
2020
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29. Mechanics and Evaluation of Early Damage

Author

Kotousov, Andrei, Vidler, James, Hughes, James, Khanna, Aditya, Ng, Ching-Tai, Mohabuth, Munawwar, Correia, José A.F.O., Series Editor, De Jesus, Abílio M.P., Series Editor, Ayatollahi, Majid Reza, Advisory Editor, Berto, Filippo, Advisory Editor, Fernández-Canteli, Alfonso, Advisory Editor, Hebdon, Matthew, Advisory Editor, Kotousov, Andrei, Advisory Editor, Lesiuk, Grzegorz, Advisory Editor, Murakami, Yukitaka, Advisory Editor, Carvalho, Hermes, Advisory Editor, Zhu, Shun-Peng, Advisory Editor, Fernandes, António Augusto, editor, and Calçada, Rui, editor

Published
2019
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30. Review of Current Progress in 3D Linear Elastic Fracture Mechanics

Author

Kotousov, Andrei, Khanna, Aditya, Branco, Ricardo, De Jesus, Abílio M.P., Correia, José A.F.O., Correia, José A.F.O., Series Editor, De Jesus, Abílio M.P., Series Editor, Ayatollahi, Majid Reza, Advisory Editor, Berto, Filippo, Advisory Editor, Fernández-Canteli, Alfonso, Advisory Editor, Hebdon, Matthew, Advisory Editor, Kotousov, Andrei, Advisory Editor, Lesiuk, Grzegorz, Advisory Editor, Murakami, Yukitaka, Advisory Editor, Carvalho, Hermes, Advisory Editor, Zhu, Shun-Peng, Advisory Editor, Fernandes, António Augusto, editor, and Calçada, Rui, editor

Published
2019
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36. Ligand mediated adhesive mechanics of two deformed spheres

Author

Sircar, Sarthok, Kotousov, Andrei, Nguyen, Giang, and Roberts, Anthony J.

Subjects
Quantitative Biology - Cell Behavior, Condensed Matter - Soft Condensed Matter, Physics - Biological Physics
Abstract

A self-consistent model is developed to investigate attachment / detachment kinetics of two soft, deformable microspheres with irregular surface and coated with flexible binding ligands. The model highlights how the microscale binding kinetics of these ligands as well as the attractive/repulsive potential of the charged surface affects the static deformed configuration of the spheres. It is shown that in the limit of smooth, neutral charged surface (i.e., the Debye length, $\kappa \rightarrow \infty $), interacting via elastic binders (i.e., the stiffness coefficient, $\lambda \rightarrow 0$) the adhesion mechanics approaches the regime of application of the JKR theory, and in this particular limit, the contact radius scales with the particle radius, according to the scaling law, $R_c\propto R^{\frac{2}{3}}$. We show that adhesion dominates in larger particles with highly charged surface and with resilient binders. Normal stress distribution within the contact area fluctuates with the binder stiffness coefficient, from a maximum at the center to a maximum at the periphery of the region. Surface heterogeneities result in a diminished adhesion with a distinct reduction in the pull off force, larger separation gap, weaker normal stress and limited area of adhesion. These results are in agreement with the published experimental findings., Comment: Keywords: Bioadhesion, contact mechanics, surface deformation, binding kinetics, JKR theory, DMT theory. arXiv admin note: text overlap with arXiv:1504.05641

Published
2015

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