Equilibrium stability of nonlinear elastic sphere with distributed dislocations
Sign Up to like & getrecommendations! Published in 2020 at "Continuum Mechanics and Thermodynamics"
DOI: 10.1007/s00161-020-00876-2
Abstract: An exact formulation and a solution of the stability problem for a three-dimensional elastic body containing distributed dislocations are given. The buckling phenomenon for a hollow nonlinear elastic sphere of the semi-linear (harmonic) material with… read more here.
Keywords: distributed dislocations; equilibrium stability; stability nonlinear; nonlinear elastic ... See more keywords
Nonlinear primary resonance of imperfect spiral stiffened functionally graded cylindrical shells surrounded by damping and nonlinear elastic foundation
Sign Up to like & getrecommendations! Published in 2018 at "Engineering with Computers"
DOI: 10.1007/s00366-018-0679-2
Abstract: In this paper, an analytical method is used to study the nonlinear primary resonance of imperfect spiral stiffened functionally graded (SSFG) cylindrical shells with internal stiffeners. The SSFG cylindrical shell is surrounded by linear and… read more here.
Keywords: elastic foundation; foundation; primary resonance; nonlinear primary ... See more keywords
Postbuckling of piezolaminated cylindrical shells with eccentrically/concentrically stiffeners surrounded by nonlinear elastic foundations
Sign Up to like & getrecommendations! Published in 2017 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.03.058
Abstract: Abstract A fully analytical approach on thermal and mechanical buckling and postbuckling of cylindrical shell surrounded on nonlinear elastic foundation is presented. The shell is composed of composite material, piezoelectric actuator, and eccentrically/concentrically isotropic stringers… read more here.
Keywords: surrounded nonlinear; eccentrically concentrically; piezolaminated cylindrical; elastic foundations ... See more keywords
Method of fundamental solutions and high order algorithm to solve nonlinear elastic problems
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2018.01.007
Abstract: Abstract In this work, we propose an algorithm, which combines the Method of Fundamental Solutions (MFS) and the Asymptotic Numerical Method (ANM), to solve two-dimensional nonlinear elastic problems. Thanks to the development in Taylor series,… read more here.
Keywords: elastic problems; fundamental solutions; solutions high; high order ... See more keywords
Exact traveling wave solutions for nonlinear elastic rod equation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of King Saud University - Science"
DOI: 10.1016/j.jksus.2017.08.010
Abstract: Abstract An analytical study on a nonlinear elastic rod equation is conducted in this paper. The modified Kudryashov method, the (G′/G)-expansion method, and the Exp-function method are employed to extract exact solutions for the equation.… read more here.
Keywords: rod equation; exact traveling; traveling wave; wave solutions ... See more keywords
On the controllability of a creasing singularity in a nonlinear elastic circular sector
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics of Materials"
DOI: 10.1016/j.mechmat.2019.103264
Abstract: Abstract The deformation of a circular sector into a full self-contacting circle can be sustained in all homogeneous, isotropic, incompressible materials by surface tractions alone. In this class of nonlinear elastic materials, this works investigates… read more here.
Keywords: creasing singularity; circular sector; controllability; nonlinear elastic ... See more keywords
Extremely large oscillation and nonlinear frequency of a multi-scale hybrid disk resting on nonlinear elastic foundation
Sign Up to like & getrecommendations! Published in 2020 at "Thin-walled Structures"
DOI: 10.1016/j.tws.2020.106840
Abstract: Abstract This is a fundamental study on the nonlinear vibrations considering large amplitude in multi-sized hybrid Nano-composites (MHC) disk (MHCD) relying on nonlinear elastic media and located in an environment with gradually changed temperature feature.… read more here.
Keywords: disk; oscillation nonlinear; nonlinear dynamics; large oscillation ... See more keywords
Nonlinear elastic multi‐path reciprocal method for damage localisation in composite materials
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics"
DOI: 10.1016/j.ultras.2017.09.001
Abstract: HIGHLIGHTSA nonlinear multi‐path reciprocal method was developed for damage assessment in CFRP composites.The bicoherence coefficient was used to evaluate second harmonics due to the presence of cracks.No prior knowledge of the wave velocity nor a… read more here.
Keywords: reciprocal method; path reciprocal; damage; nonlinear elastic ... See more keywords
Nonlinear interaction of Rayleigh waves in isotropic materials: Numerical and experimental investigation.
Sign Up to like & getrecommendations! Published in 2022 at "Ultrasonics"
DOI: 10.1016/j.ultras.2021.106664
Abstract: Surface treatment intensity monitoring is still an open and challenging nondestructive testing problem. For the estimation of residual stress with ultrasonic measurements, local linear and nonlinear elastic constants are needed as input. In this paper,… read more here.
Keywords: waves isotropic; rayleigh waves; nonlinear elastic; surface ... See more keywords
Plane-strain waves in nonlinear elastic solids with softening
Sign Up to like & getrecommendations! Published in 2019 at "Wave Motion"
DOI: 10.1016/j.wavemoti.2019.03.002
Abstract: Propagation of elastic waves in damaged media (concrete, rocks) is studied theoretically and numerically. Such materials exhibit a nonlinear behavior, with long-time softening and recovery processes (slow dynamics). A constitutive model combining Murnaghan hyperelasticity with… read more here.
Keywords: elastic solids; strain waves; waves nonlinear; plane strain ... See more keywords
Siloxane Molecules: Nonlinear Elastic Behavior and Fracture Characteristics
Sign Up to like & getrecommendations! Published in 2023 at "Macromolecules"
DOI: 10.1021/acs.macromol.2c02576
Abstract: Fracture phenomena in soft materials span multiple length and time scales. This poses a major challenge in computational modeling and predictive materials design. To pass quantitatively from molecular to continuum scales, a precise representation of… read more here.
Keywords: molecules nonlinear; fracture; fracture characteristics; siloxane molecules ... See more keywords