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Broadband sub-diffraction and ultra-high energy density focusing of elastic waves in planar gradient-index lenses

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 150 ()

We demonstrate experimentally and theoretically the broadband sub-diffraction and ultra-high energy density focusing of elastic wave inside planar gra......

Ultrahigh flexoelectric effect of 3D interconnected porous polymers: modelling and verification

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 151 ()

Non-conductive materials like rubbers, plastics, ceramics, and even semiconductors have the property of flexoelectricity, which means that they can ge......

Peridynamic modelling of blasting induced rock fractures

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 153 ()

This paper presents a peridynamics-based computational approach for modelling blasting induced rock fractures. A new non-ordinary state-based peridyna......

Elastic bound state in the continuum with perfect mode conversion

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 154 ()

The partial or complete confinement of waves in an open system is omnipresent in nature and in wave-based materials and technology. Here, we theoretic......

A perturbation force based approach to creasing instability in soft materials under general loading conditions

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 151 ()

The formation and control of surface creases in soft materials under compression have intrigued the mechanics community for decades and recently found......

Flaw-sensitivity of a tough hydrogel under monotonic and cyclic loads

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 153 ()

Rupture of emerging tough hydrogels has received much attention in recent years. It is a fundamental question what length of initial flaws can signifi......

Torsional and translational vibrations of a eukaryotic nucleus, and the prospect of vibrational mechanotransduction and therapy

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 155 ()

Certain eukaryotic cells are believed to sense and respond to vibrational stimuli that are too small even to be transduced by mechanosensitive ion cha......

Bounds on the in-plane Poisson's ratios and the in-plane linear and area compressibilities for sheet crystals

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 152 ()

It is well known that the Poisson's ratios for 3D isotropic elastic materials vary from -1 to +1/2. These results provide reference points for compari......

Theory of fluid saturated porous media with surface effects

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 151 ()

Fluid saturated porous media are abundant in nature and engineering. Existing constitutive theories of fluid saturated porous media have largely ignor......

A computational framework for multi-stability analysis of laminated shells

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 149 ()

The multi-stability of composite shells often exhibits complex mechanical behaviors, accompanied by large deformation, strong nonlinearity and multipl......

Depth-sensing spherical indentation of an elastic sphere on an elastic substrate

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 149 ()

The axisymmetric three-body, double-unilateral contact problem for an elastic sphere is treated by analytical techniques. It is assumed that the elast......

Torsional deformation dominated buckling of serpentine structures to form three-dimensional architectures with ultra-low rigidity

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 155 ()

Buckling of a single ribbon is the simplest type of instability in mechanics. Recently postbuckling has been adopted in three-dimensional (3D) assembl......

On the attraction power of critical state in granular materials

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 149 ()

The aim of this paper is to offer a fresh perspective on the classic concept of critical state (CS) in granular materials by suggesting that CS can be......

Endowing explicit cohesive laws to the phase-field fracture theory

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 152 ()

One of the fundamental but unsolved problems in the phase-field theory is how to obtain the energy density expression based on an arbitrary cohesive l......

A generalized Maugis-Dugdale solution for adhesion of power-law graded elastic materials

期刊: JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021; 154 ()

The present paper provides a generalized Maugis-Dugdale analytical model of adhesive contact between an axisymmetric rigid punch of arbitrary shape an......

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