Imperial College London

DrEmilioMartinez-Paneda

Faculty of EngineeringDepartment of Civil and Environmental Engineering

Visiting Reader
 
 
 
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Contact

 

+44 (0)20 7594 8188e.martinez-paneda Website

 
 
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Location

 

249Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@inproceedings{Martínez-Pañeda:2017,
author = {Martínez-Pañeda, E and Niordson, CF and Deshpande, VS and Fleck, NA},
pages = {757--758},
title = {Gradient effects on crack tip mechanics},
year = {2017}
}

RIS format (EndNote, RefMan)

TY  - CPAPER
AB - In this work a general framework for damage and fracture assessment accounting for the role of geometrically necessary dislocations (GNDs) is provided. Crack tip fields are characterized, within both infinitesimal and finite deformation theories, by means of different strain gradient plasticity (SGP) formulations and their finite element implementation. Moreover, the impact of SGP theories on fracture and damage problems is further assessed by modeling crack growth initiation and subsequent resistance. Results show a strong influence of GNDs, revealing the need to incorporate its influence in continuum models in order to adequately characterize behavior at the small scales involved in crack tip deformation.
AU - Martínez-Pañeda,E
AU - Niordson,CF
AU - Deshpande,VS
AU - Fleck,NA
EP - 758
PY - 2017///
SP - 757
TI - Gradient effects on crack tip mechanics
ER -