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Peter Grassl's Archive

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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