Results 81 to 90 of about 1,407,788 (320)

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo   +3 more
wiley   +1 more source

Generalized singular exponents linear system of differential equations

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2017
Consider a finite-dimensional linear homogeneous system of differential equations with continuous bounded coefficients in an infinite interval in critical cases of singular exponents.
A. E. Mirzakulova   +3 more
doaj  

Renormalization Group and Asymptotics of Solutions of Nonlinear Parabolic Equations

open access: yes, 1993
We present a general method for studying long time asymptotics of nonlinear parabolic partial differential equations. The method does not rely on a priori estimates such as the maximum principle.
Bricmont, J., Kupiainen, A., Lin, G.
core   +1 more source

Solving nonlinear Volterra integro-differential equations of fractional order by using Euler wavelet method

open access: yesAdvances in Differential Equations, 2017
In this paper, a wavelet numerical method for solving nonlinear Volterra integro-differential equations of fractional order is presented. The method is based upon Euler wavelet approximations.
Yanxin Wang, Li Zhu
semanticscholar   +1 more source

Characterization of Nitinol Produced by Laser Powder Bed Fusion for Mechanical Metamaterial Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Stabilization of L‐PBF Ni50.7Ti49.3 under low‐cycle loading was investigated. Recoverable strain after cycling was dependent on the amount of applied load. Recovery ratio was 53.4% and 35.1% at intermediate and high load, respectively. The maximum total strain reached 10.3% at a high load of 1200 MPa.
Ondřej Červinek   +5 more
wiley   +1 more source

Approximate solutions of the fractional damped nonlinear oscillator subject to Van der Pol system

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2023
This paper deals with fractal Van der Pol damped nonlinear oscillators equation having nonlinearity. By combining the techniques of the Laplace transform and the variational iteration method, we establish approximate periodic solutions for the fractal ...
Yanni Zhang, Zhen Zhao, Jing Pang
doaj   +1 more source

Wave Solutions

open access: yes, 2012
In classical continuum physics, a wave is a mechanical disturbance. Whether the disturbance is stationary or traveling and whether it is caused by the motion of atoms and molecules or the vibration of a lattice structure, a wave can be understood as a ...
Christov, Ivan C.
core   +1 more source

User’s guide to viscosity solutions of second order partial differential equations [PDF]

open access: yes, 1992
The notion of viscosity solutions of scalar fully nonlinear partial differential equations of second order provides a framework in which startling comparison and uniqueness theorems, existence theorems, and theorems about continuous dependence may now be
M. Crandall, H. Ishii, P. Lions
semanticscholar   +1 more source

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

open access: yesAdvanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora   +4 more
wiley   +1 more source

Magnetohydrodynamics flow of nanofluid due to stretching/shrinking surface with slip effect

open access: yesAdvances in Mechanical Engineering, 2017
This research concerns with the flow of nanofluid due to a stretching/shrinking surface. The underlying problem governs the boundary layer equations for two-dimensional viscous and incompressible fluids in Cartesian coordinate system.
Tanvir Akbar   +3 more
doaj   +1 more source

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