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Peter Grassl's Archive

Euro-C 2018 conference: P. Grassl and A. Antonelli. "Network modelling of fracture processes in fibre-reinforced quasi-brittle materials".
Presentation || Reference

New article: I. Athanasiadis, S. Wheeler and P. Grassl. "Hydro-mechanical network modelling of particulate composites", International Journal of Solids and Structures, Vol. 130-131, Pages 49-60, 2018.
DOI (Open access) || Preprint

New article: P. Grassl, M. Johansson and J. Leppänen. "On the numerical modelling of bond for the failure analysis of reinforced concrete.", Engineering Fracture Mechanics, Vol. 189, Pages 13-26, 2018
DOI || Preprint || Input Files (Release 9.1)

New deadline for abstracts: 31st January 2018: Minisymposium on Coupled hydro-mechanical processes in geomaterials at the ECCM-ECFD 2018 in Glasgow.

Congratulations to Ignatios Athanasiadis for successfully defending his PhD!

New article: C. Fahy, S. Wheeler, D. Gallipoli and P. Grassl. "Corrosion induced cracking modelled by a coupled transport-structural approach." Cement and Concrete Research. Vol. 94, Pages 24-35, 2017
DOI (Open access)

New report on performance of CDPM2 for reinforced concrete: E. Lockhart: "Modelling the Failure of Reinforced Concrete Subjected to Dynamic Loading Using CDPM2 in LS-DYNA.", School of Engineering, University of Glasgow, 2017
Link to webpage

New article: I. Athanasiadis, S. Wheeler and P. Grassl. "Network Modelling of the Influence of Swelling on the Transport Behaviour of Bentonite." Geosciences. Vol. 6, Issue 4, Page 55, 2016.
DOI (Open access)

3D visualisation of the yield surface used in our model CDPM and CDPM2: YieldSurfaceCDPM

New paper: I. Athanasiadis, S. J. Wheeler and P. Grassl, "Network modelling of fluid retention behaviour in unsaturated soils", E3S Web Conf., 9, 11016, 2016.
DOI (Open access)

New paper: P. Grassl, J. Bolander. "Three-Dimensional Network Model for Coupling of Fracture and Mass Transport in Quasi-Brittle Geomaterials", Materials, 9, 782, 2016.
DOI (Open access)

We presented our paper "Transport-structural modelling of corrosion induced cracking" at Framcos-9 at Berkeley.
Paper || Short Presentation

New article: D. Xenos, P. Grassl. "Modelling the failure of reinforced concrete with nonlocal and crack band approaches using the damage-plasticity model CDPM2", Finite Elements in Analysis and Design.
DOI (Open access)

New article: P. Havlásek, P. Grassl and M. Jirásek. "Prediction of size effect on strength of quasi-brittle materials based on integral-type nonlocal models." Engineering Fracture Mechanics. Vol. 157, Pages 72-85, 2016.
DOI (Open access)

October 2015: Peter Grassl visited the University of Minnesota where he presented research on lattice modelling of fracture and transport as part of their Warren Lecture series.

September 2015: We attended Concreep 10 in Vienna where we presented to papers on lattice (DOI) and network (DOI) modelling.

New input files added to MAT_CDPM in LS-DYNA.

June 2015: Peter Grassl attended EMI-2015 and presented our paper "A hydro-mechanical lattice approach for modelling hydraulic fracture". You can have a look at the slides here PDF

Dimitrios Xenos defended successfully his PhD work on "Nonlocal modelling of fracture in heterogeneous quasi-brittle materials", July 2015.

New article: D. Xenos, D. Grégoire, S. Morel and P. Grassl. "Calibration of nonlocal models for tensile fracture in quasi-brittle heterogeneous materials." Journal of the Mechanics and Physics of Solids, In press, 2015.
DOI

New article: P. Grassl, C. Fahy, D. Gallipoli and S. J. Wheeler. "On a 2D hydro-mechanical lattice approach for modelling hydraulic fracture". Journal of the Mechanics and Physics of Solids. Volume 75, pp. 104-118, 2015.
DOI || Preprint

Two PhD positions available on Microcracking of concrete and Hydraulic fracturing

Caroline Fahy defended successfully her PhD work on "A discrete transport-mechanical approach for modelling the durability of concrete", November 2014.

Our constitutive model CDPM2 has been implemented in LS-DYNA (Material model 273 from rev. 91862).

New article: P. Grassl, D. Xenos, M. Jirásek and M. Horák. "Evaluation of nonlocal approaches for modelling fracture near nonconvex boundaries". International Journal of Solids and Structures. Volume 51, Issue 18, pp. 3239-3251, 2014.
DOI || Preprint

Three of our group attended Euro-C 2014 where we presented three papers:

Grassl P., Fahy S., Wheeler S. and Gallipoli D.: A 2D hydro-mechanical latice approach for modelling corrosion induced cracking of reinforced concrete.
Xenos D. and Grassl P.: Comparison of nonlocal and crack-band damage-plasticity approaches for modelling the failure of reinforced concrete structures.
Athanasiadis I., Wheeler S. and Grassl P.: Three-dimensional network modelling of the influence of microstructure of concrete on water transport.

New article "CDPM2: A damage-plasticity approach to modelling the failure of concrete". International Journal of Solids and Structures. Volume 50, Issue 24, November 2013, Pages 3805-3816.

March 2013: Co-organisation of minisymposium on Multi-scale investigation of concrete fracture by numerical and physical experimentation together with John Bolander and Gianluca Cusatis within FraMCoS-8

September 2012: PhD studentship on "Computational modelling of geo-engineered barriers of nuclear waste storage" is available. Have a look here for more details.

April 2012: New article on Meso-scale modelling of the size effect on the fracture process zone of concrete by Peter Grassl, David Gregoire, Laura Rojas Solano, Gilles Pijaudier-Cabot is available online. DOI

January 2012: Two PhD studentships on "Meso-mechanically based models for fibre reinforced concrete" and "Modelling of geo-engineered barriers of nuclear waste storage" are available. Have a look here for more details.

August 2011: The Concrete Damage-Plastic Model (CDPM) is implemented in the release version of OOFEM .

July 2011: The paper "Lattice modelling of corrosion induced cracking and bond in reinforced concrete" by Peter Grassl and Trevor Davies is available online

August 2010: Two PhD studentships on corrosion induced cracking of concrete and meso-mechanically based nonlocal models are available. Have a look here for more details.

January 2010: The paper "Meso-scale approach to modelling the fracture process zone of concrete subjected to uniaxial tension" by Peter Grassl and Milan Jirásek is available online.

January 2010: Misprints in the paper on "Damage-plastic model for concrete failure" by Peter Grassl and Milan Jirásek are corrected in the erratum (online November 2009).

December 2009: I have co-organised the Telford Advanced Research Workshop on Long-Term Behaviour of Concrete: Design and Validation, which took place on the 10th and 11th December 2009 in Glasgow.

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