Results 151 to 160 of about 2,355,404 (203)

An Ultra-Precision Smoothing Polishing Model for Optical Surface Fabrication with Morphology Gradient Awareness. [PDF]

Micromachines (Basel)
Liu G, Deng Y, Li Z.
europepmc   +1 more source

Multidimensional spectro-temporal imaging of exciton dynamics under propagating acoustic strain in two-dimensional semiconductors. [PDF]

Sci Adv
Takahashi Y, Yamamoto T, Kanzawa H, Maezawa K, Kumazaki H, Kato YK, Watanabe S, Fujii S.   +7 more
europepmc   +1 more source

Vibrational analysis of curved single-walled carbon nanotube on a Pasternak elastic foundation

Advances in Engineering Software, 2012
Continuum mechanics and an elastic beam model were employed in the nonlinear force vibrational analysis of an embedded, curved, single-walled carbon nanotube. The analysis considered the effects of the curvature or waviness and midplane stretching of the nanotube on the nonlinear frequency.
Amin Barari, Iman Mehdipour, A Kimiaeifar   +2 more
exaly   +4 more sources

Ultimate Carrying Capacity of Elastic-Plastic Plates on a Pasternak Foundation

Journal of Applied Mechanics, 2014
In the present work, the problem of an infinite elastic perfectly plastic plate under axisymmetrical loading conditions resting on a bilateral Pasternak elastic foundation is considered. The plate is assumed thin, thus making it possible to neglect the shear deformation according to the classical Kirchhoff theory. Yielding is governed by the Johansen's
LANZONI, Luca, RADI, Enrico, NOBILI, Andrea   +2 more
openaire   +2 more sources

Analysis of Circular Elastic Plate Resting on Pasternak Foundation by Strain Energy Approach

Geotechnical and Geological Engineering, 2011
In this paper, an analytical expression for the deflection of a thin circular elastic plate resting on the Pasternak foundation is derived by adopting the strain energy approach. The parametric study is carried out to observe the location of the plate lift-off and the variation of the deflection profiles for comparing the variation pattern reported in ...
Shukla, Sanjay Kumar, Gupta, Ashish, Sivakugan, Nagaratnam   +2 more
openaire   +3 more sources

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Mechanical buckling of functionally graded material cylindrical shells surrounded by Pasternak elastic foundation

Composite Structures, 2011
Abstract In this study, the mechanical buckling of functionally graded material cylindrical shell that is embedded in an outer elastic medium and subjected to combined axial and radial compressive loads is investigated. The material properties are assumed to vary smoothly through the shell thickness according to a power law distribution of the volume
Yaser Kiani, M R Eslami
exaly   +2 more sources

Vibration Analysis of Functionally Graded Timoshenko Beams on Winkler–Pasternak Elastic Foundation

Iranian Journal of Science and Technology, Transactions of Civil Engineering, 2019
This paper aims to analyze dynamic response of axially functionally graded (FG) Timoshenko beams on Winkler–Pasternak elastic foundation. Spring constant and material inhomogeneity are used as research parameters in the dynamic analysis. In this study, ODEs in Laplace domain are calculated by using complementary functions method.
Calim, Faruk Firat
openaire   +2 more sources

Effect of Winkler and Pasternak elastic foundation on the vibration of rotating functionally graded material cylindrical shell

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2018
In this paper, vibration characteristics of rotating functionally graded cylindrical shell resting on Winkler and Pasternak elastic foundations have been investigated. These shells are fabricated from functionally graded materials.
Mohammd Isvandzibaei, Muzamal Hussain, Muhammad Nawaz Naeem   +2 more
exaly   +2 more sources

Flexural waves at the edge of nonlocal elastic plate associated with the Pasternak foundation

Journal of Vibration and Control, 2022
In this article, an elastic foundation is used to study the characteristics of flexural edge waves propagating on a piezoelectric structure. The nonlocal elasticity theory is introduced to investigate the microscale effect on edge wave propagation. The traditional Kirchhoff plate hypothesis is used to determine the kinematics of the piezoelectric plate.
Santanu Manna, Rahul Som
openaire   +1 more source

Circular plates on Pasternak elastic foundations

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1987
AbstractThis study deals with the geometrically nonlinear axisymmetric static and transient response of cylindrically orthotropic thin circular plates resting on Pasternak elastic foundations subjected to uniformly distributed loads. Clamped and simply‐supported plates with radially movable and immovable edges have been considered.
openaire   +2 more sources