Zobrazeno 1 - 10 of 97 pro vyhledávání: '"Alan D. Freed"'
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Akademický článek
Coordinate indexing: On the use of Eulerian and Lagrangian Laplace stretches
Autor: Sandipan Paul, Alan D. Freed, John D. Clayton
Publikováno v: Applications in Engineering Science, Vol 5, Iss , Pp 100029- (2021)
Eulerian and Lagrangian measures for Laplace stretch are established, along with a strategy to ensure that these measures are indifferent to observer. At issue is a need to accommodate two invariant properties that arise as a byproduct of the Gram–
Externí odkaz: https://doaj.org/article/94073c3e044b48de872d7a33340491af
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2
Extracting material parameters of silicone elastomers under biaxial tensile tests using virtual fields method and investigating the effect of missing deformation data close to specimen edges on parameter identification
Autor: Zhujiang Wang, Alan D. Freed, Mingliang Jiang, Adam Dubrowski, Michael R. Moreno, Veysel Erel
Publikováno v: Mechanics of Advanced Materials and Structures. 29:6421-6435
In this work, virtual fields method (VFM) is applied to extract the constitutive parameter of silicone elastomers under equi-biaxial and general biaxial tests; the influence of missing deformation ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ae5ab3f3f39a0442b5b2e7e33be67f6
https://doi.org/10.1080/15376494.2021.1979138
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3
A constitutive framework for finite viscoelasticity and damage based on the Gram–Schmidt decomposition
Autor: John D. Clayton, Alan D. Freed
Publikováno v: Acta Mechanica. 231:3319-3362
A novel thermodynamic framework for the continuum mechanical response of nonlinear solids is described. Large deformations, nonlinear hyperelasticity, viscoelasticity, and property changes due to evolution of damage in the material are all encompasse
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c9fac5aaff79732e00860e4508ffd5e
https://doi.org/10.1007/s00707-020-02689-5
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4
A simple and practical representation of compatibility condition derived using a QR decomposition of the deformation gradient
Autor: Sandipan Paul, Alan D. Freed
Publikováno v: Acta Mechanica. 231:3289-3304
This paper examines a condition for the existence and uniqueness of a finite deformation field whenever a Gram–Schmidt (QR) factorization of the deformation gradient $${\mathbf {F}}$$ is used. First, a compatibility condition is derived, provided t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a609709e4dbc5c31cc56ae09547280f
https://doi.org/10.1007/s00707-020-02702-x
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6
Elastic Kelvin-Poisson-Poynting solids described through scalar conjugate stress/strain pairs derived from a QR factorization of
Autor: Shahla Zamani, Alan D. Freed
Publikováno v: Journal of the Mechanics and Physics of Solids. 129:278-293
The authors (Freed and Zamani, 2018) recently derived a kinematic description for the motion of a deformable body that was constructed out of a Gram-Schmidt factorization of the deformation gradient. Specifically, the metric tensor that associates wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76ea5c5d0cf359129a42cf969178b4b1
https://doi.org/10.1016/j.jmps.2019.05.011
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7
A decomposition of Laplace stretch with applications in inelasticity
Autor: Jean-Briac le Graverend, Kumbakonam R. Rajagopal, Alan D. Freed
Publikováno v: Acta Mechanica. 230:3423-3429
The kinematics of an inelastic solid established in terms of Laplace stretch and its rate are decomposed into one stretch that describes an elastic response, another stretch that describes an inelastic response, and their rates. These kinematics are
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d877ef3d410994eae81bf48b594513d
https://doi.org/10.1007/s00707-019-02462-3
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8
Application of QR framework in modeling the constitutive behavior of porcine coronary sinus tissue
Autor: Sandipan Paul, Akhilesh A. Kotiya, John C. Criscione, Alan D. Freed, Shahla Zamani
Publikováno v: Mechanics of Soft Materials. 3
In previous studies by the authors, a kinematic framework using physical attributes arising from a Gram–Schmidt factorization of the deformation gradient has been developed. It describes a state of deformation in a locally convected coordinate syst
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d606a02bae2cc89f6b1afc7adfabf63b
https://doi.org/10.1007/s42558-021-00037-8
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10
FE vibration analyses of novel conforming meta-structures and standard lattices for simple bricks and a topology-optimized aerodynamic bracket
Autor: William C. Nelson, Todd C. Doehring, Thomas M. Harris, Alan D. Freed
Publikováno v: Scientific Reports
Scientific Reports, Vol 10, Iss 1, Pp 1-22 (2020)
Additive manufacturing (AM) enables production of components that are not possible to make using traditional methods. In particular, lattice-type structures are of recent interest due to their potential for high strength-to-weight ratios and other de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a24f9c5a4bd0259a986098132e77ce2f
https://doi.org/10.1038/s41598-020-78239-9
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