Stationary variational principle of mixture unified gradient elasticity

SA Faghidian, KK Żur, E Pan - International Journal of Engineering Science, 2023 - Elsevier
The stress gradient, strain gradient, and classical elasticity theory are integrated within a
consistent variational framework to conceive the mixture unified gradient theory of elasticity …

A mixed variational framework for higher-order unified gradient elasticity

SA Faghidian, KK Żur, JN Reddy - International Journal of Engineering …, 2022 - Elsevier
The higher-order unified gradient elasticity theory is conceived in a mixed variational
framework based on suitable functional space of kinetic test fields. The intrinsic form of the …

Curved flexoelectric and piezoelectric micro-beams for nonlinear vibration analysis of energy harvesting

TQ Thai, X Zhuang, T Rabczuk - International Journal of Solids and …, 2023 - Elsevier
Micro/nano-scale energy harvester is an enabling technology to provide sustained energy
solutions for various micro/nano-electromechanical devices, this has attracted intensive …

Modeling thermoelectric effects in piezoelectric semiconductors: new fully coupled mechanisms for mechanically manipulated heat flux and refrigeration

Y Qu, E Pan, F Zhu, F Jin, AK Roy - International Journal of Engineering …, 2023 - Elsevier
We present a continuum theory for analyzing the interaction between the thermoelectric and
mechanical fields in piezoelectric semiconductors. The balance laws and dissipation …

On instabilities and post-buckling of piezomagnetic and flexomagnetic nanostructures

M Malikan, NS Uglov, VA Eremeyev - International Journal of Engineering …, 2020 - Elsevier
We focus on the mechanical strength of piezomagnetic beam-like nanosize sensors during
post-buckling. An effective flexomagnetic property is also taken into account. The modelled …

Research perspective on multiphysics and multiscale materials: a paradigmatic case

A Ciallella - Continuum Mechanics and Thermodynamics, 2020 - Springer
Pantographic fabrics are presented as a paradigmatic example to discuss the research
perspective on multiphysics and multiscale materials. Reduced-order modeling, obtained by …

On nonlinear stability analysis of saturated embedded porous nanobeams

Ö Civalek, B Uzun, MÖ Yaylı - International Journal of Engineering Science, 2023 - Elsevier
In this work, the nonlinear stability behaviors of the saturated porous nanobeams embedded
in an elastic foundation are investigated. The restrained nanobeam is modeled using …

[HTML][HTML] Verification of asymptotic homogenization method developed for periodic architected materials in strain gradient continuum

H Yang, BE Abali, WH Müller, S Barboura… - International Journal of …, 2022 - Elsevier
Strain gradient theory is an accurate model for capturing the size effect and localization
phenomena. However, the challenge in identification of corresponding constitutive …

On a flexomagnetic behavior of composite structures

M Malikan, VA Eremeyev - International Journal of Engineering Science, 2022 - Elsevier
The popularity of the studies is getting further on the flexomagnetic (FM) response of nano-
electro-magneto machines. In spite of this, there are a few incompatibilities with the …

A variational approach of homogenization of piezoelectric composites towards piezoelectric and flexoelectric effective media

N Mawassy, H Reda, JF Ganghoffer… - International Journal of …, 2021 - Elsevier
The effective piezoelectric properties of heterogeneous materials are evaluated in the
context of periodic homogenization, whereby a variational formulation is developed …