This study proposes a novel Modified Bond-Based PeriDynamic (MBB-PD) model based on the bonds' classification. classification of bonds is performed basis equivalent hypothetical local strains and falls into three categories horizontal normal, vertical shear bonds. While classical PD (BB-PD) considers only stretch bonds, all components are taken account in proposed model.A imaginary element cons...

A linear-elastic computer simulation (model) for a single particle of TRISO fuel has been built using bond-based peridynamic technique implemented in the finite element code ‘Abaqus’. The model is able to consider elastic and thermal strains each layer simulate potential fracture both within between layers. 2D cylindrical makes use plane stress approximation perpendicular modelled. choice was m...

As a nonlocal extension of continuum mechanics, peridynamics has been widely and effectively applied in different fields where discontinuities the field variables arise from an initially continuous body. An important component constitutive model is influence function which weights contribution all interactions over region surrounding point interest. Recent work shown that solid mechanics strong...

Peridynamic (PD) models of bodies without pre-cracks, based on a single fracture parameter (associated with the critical energy), produce different strengths when horizon sizes are used to simulate crack nucleation under quasi-static conditions. To maintain same strength and energy sizes, extra parameters have be introduced in failure model. Bilinear trilinear bond force-strain relationships be...