Finite deformation cohesive zone phase field model for crack propagation in multi-phase microstructures

P Tarafder, S Dan, S Ghosh - Computational Mechanics, 2020 - Springer
This paper develops a unified phase field model for simulating finite deformation crack
evolution and interfacial decohesion in multi-phase elastic materials. Crack propagation is …

Adaptive wavelet-enhanced cohesive zone phase-field FE model for crack evolution in piezoelectric composites

S Dan, P Tarafder, S Ghosh - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
A novel finite deformation FE model is developed in this paper for coupled electro-
mechanical response with crack evolution in heterogeneous piezoelectric composite …

Exploration of the correlation between welding flaw geometrical parameters and floating potential based on an ultrasonic duplex finite element model

D He, J Chen, Y Chen, J Miao, J Deng, J Chen, J Liu - Measurement, 2021 - Elsevier
Abstract Non-destructive testing (NDT), as an indispensable technique for assessing
welding quality, is expected to continuously improve. In this study, to obtain welding flaw …

A finite deformation framework for mechanism-based constitutive models of the dynamic behavior of brittle materials

W Li, KT Ramesh - Journal of the Mechanics and Physics of Solids, 2021 - Elsevier
A finite deformation mechanism-based thermodynamically consistent constitutive framework
is presented for describing the dynamic behaviors of brittle materials under impact loading …

Two-dimensional dynamic damage accumulation in engineered brittle materials

BML Koch, C Lo, H Li, T Sano, J Ligda… - Engineering Fracture …, 2021 - Elsevier
This paper details the dynamic materials testing of three advanced ceramics (CoorsTek
Engineered Ceramics AD85 and AD995 alumina and a silicon carbide) and a cermet …

A multi-mechanism constitutive model for the dynamic failure of quasi-brittle materials. Part II: Integrative model

Q Zeng, AL Tonge, KT Ramesh - Journal of the Mechanics and Physics of …, 2019 - Elsevier
In Part I, we established a model for amorphization during the failure of quasi-brittle
materials. In this Part II, we present a multi-mechanism physics-based constitutive model …

An interacting wing-crack based semi-analytical meso-scale model for describing elasto-plastic damage behavior of brittle rocks

D Ren, B Liu, J Sun, L Weng, Z Chu - Computers and Geotechnics, 2022 - Elsevier
An interacting wing-crack based mesoscale model was developed for describing the
elastoplastic damage behaviors of brittle rocks under compressive loading. In the present …

Fragmentation and granular transition of ceramics for high rate loading

A Bhattacharjee, RC Hurley… - Journal of the American …, 2022 - Wiley Online Library
The paper presents a numerical model to study the transition of brittle materials from a
cracked solid to a granular medium under impact loading. The model addresses competitive …

Statistically informed upscaling of damage evolution in brittle materials

N Vaughn, A Kononov, B Moore, E Rougier… - Theoretical and Applied …, 2019 - Elsevier
The presence and growth of micro-cracks degrade the strength of brittle solids, greatly
impacting the overall material response. Hence, the evolution of these micro-cracks must be …

A micromechanical sliding-damage model under dynamic compressive loading

MH Ahmadi, H Molladavoodi - Periodica Polytechnica Civil Engineering, 2019 - pp.bme.hu
For most rock materials, there exists a strong coupling between plastic flow caused by
sliding along micro-crack faces and damage evolution due to nucleation and growth of wing …