Continuum modeling of elasto-plastic media with multiple embedded nonlinearly-compliant joints

Data-Driven Discovery of Composition-Dependent Constitutive Models for Hyperelasticity and Viscoelasticity of Digital Materials

Digital materials fabricated by multi-material 3D printing are designed as controlled mixtures of stiff and compliant constituents, yielding effective responses that span more than an order of magnitude in apparent stiffness and exhibit strongly nonlinear, composition-dependent, and rate-dependent dissipative behavior....

Journal of the Mechanics and Physics of Solids

Non-Linear Finite Element Framework for Large-Strain Wrinkling of Thin-Layer Structures

: Thin-walled lightweight structures begin to wrinkle when they are subjected to in-plane extension, and predicting this phenomenon is a challenging problem in engineering. This paper presents a study of finite-strain wrinkling of membranes using 2D strain gradient elasticity theory. Incorporating strain gradient theor...

Temperature- and deformation-dependent soft elasticity and order-driven actuation in monodomain liquid crystal elastomers: a finite element study

This study investigates the coupled effect of soft elasticity and phase behavior in monodomain liquid crystal elastomer(LCE) through finite element analysis. Soft elasticity allows for large deformations with minimal stress through mesogen rotation. Phase behavior describes the thermotropic transition between nematic...

Finite elasticity and evolving discontinuities in soft tissues using peridynamic states

A correspondence model for use with peridynamic states is presented, tailored to the description of finite elasticity in soft tissues within a plane-strain setting. A deviatoric–volumetric energy split leads to a stable one-field correspondence formulation, based on spherical and bond-associated non-local deformation...

One-dimensional elastoplastic models with isotropic hardening as differential inclusions in primal form

<div><p>To improve the numerical simulation of rockfall protection barriers, this work addresses an extension of a one-dimensional model for elastoplasticity using a friction element and a spring in series, to include isotropic hardening and unilateral behavior. We reformulate the resulting system of differential inclu...