Results 1 to 10 of about 1,744 (163)

Existence and nonexistence of solution of fractional Lamé wave equation with polynomial nonlinearity source terms

open access: yesResults in Applied Mathematics, 2023
In this work, we examine the existence and nonexistence of solution for lamé wave equation with a nonlinear source terms and fractional boundary dissipation.
Nadia Mezouar   +4 more
doaj   +2 more sources

Blow-Up for a Stochastic Viscoelastic Lamé Equation with Logarithmic Nonlinearity

open access: yesJournal of Function Spaces, 2021
In this paper, we consider an initial boundary value problem of stochastic viscoelastic wave equation with nonlinear damping and logarithmic nonlinear source terms. We proved a blow-up result for the solution with decreasing kernel.
Amina Benramdane   +4 more
doaj   +2 more sources

Molecular Dynamics-Based Calibrated Micromechanics Model for Elastic Properties of Fullerene-PMMA Nanocomposites Incorporating Interface Stress [PDF]

open access: yesMolecules
Fullerene-based polymer nanocomposites are promising candidates for micro- and nano-electromechanical systems (MEMSs/NEMSs) due to their tunable mechanical performance and high surface-to-volume ratios.
Saeid Sahmani   +2 more
doaj   +2 more sources

The discontinuous solutions of Lame�s equations for a conical defect [PDF]

open access: yesFracture and Structural Integrity, 2018
In this article the discontinuous solutions of Lame s equations are constructed for the case of a conical defect. Under a defect one considers a part of a surface (mathematical cut on the surface) when passing through which function and its normal ...
O. Reut, N. Vaysfeld
doaj   +1 more source

Analytical Modeling of Acoustic Emission Due to an Internal Point Source in a Transversely Isotropic Cylinder

open access: yesApplied Sciences, 2022
In this paper, the displacement fields responsible for acoustic emission (AE), excited from a point source in a transversely isotropic cylinder, are derived by solving the Navier-Lamé (NL) equation.
Kwang Bok Kim   +3 more
doaj   +1 more source

Investigation of the Stress State of a Composite in the Form of a Layer and a Half Space with a Longitudinal Cylindrical Cavity at Stresses Given on Boundary Surfaces [PDF]

open access: yesJournal of Mechanical Engineering, 2019
An analytical-numerical approach to solving the spatial problem of the theory of elasticity for a half-space rigidly coupled to a layer is proposed. In the half-space, parallel to its boundaries, there is an infinite circular cylindrical cavity. Both the
Vitalii Yu. Miroshnikov
doaj   +1 more source

Blow-Up of Solution of Lamé Wave Equation with Fractional Damping and Logarithmic Nonlinearity Source Terms

open access: yesMathematics, 2023
In this work, by the use of a semigroup theory approach, we provide a global solution for an initial boundary value problem of the wave equation with logarithmic nonlinear source terms and fractional boundary dissipation.
Amina Benramdane   +4 more
doaj   +1 more source

Hyperbolic string tadpole

open access: yesSciPost Physics, 2023
Hyperbolic geometry on the one-bordered torus is numerically uniformized using Liouville theory. This geometry is relevant for the hyperbolic string tadpole vertex describing the one-loop quantum corrections of closed string field theory.
Atakan Hilmi Firat
doaj   +1 more source

Nonlinear Torsional Vibration Analysis of Nanorods in the Presence of Surface Energy Effect: Multi-Mode Galerkin Method [PDF]

open access: yesMechanics of Advanced Composite Structures, 2022
In this paper, the nonlinear torsional vibrations and internal resonances of nanorods are investigated by considering the surface energy effects. For this purpose, Hamilton’s principle is implemented to derive the nonlinear governing equation of motion ...
Reza Nazemnezhad, Sahar Farahmandrad
doaj   +1 more source

Sensitivity parameters of tight sand gas: A case study of Lower Cretaceous Yingcheng Formation of Yingtai gas field in Songliao Basin, NE China

open access: yesPetroleum Exploration and Development, 2014
In tight sandstone, the gas-bearing sensitivity parameters are studied to improved prediction accuracy of thin gas layer due to the small impedance differences between gas-bearing layers and surrounding rocks.
Cuixia XU   +4 more
doaj   +1 more source

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