Search Results - "Grassl, Peter"

A lattice approach to model flow in cracked concrete by Grassl, Peter

“…This paper presents a lattice approach to model the influence of cracking on inviscid flow in concrete. A mechanical lattice model based on a damage–plasticity…”
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Three-Dimensional Network Model for Coupling of Fracture and Mass Transport in Quasi-Brittle Geomaterials by Grassl, Peter, Bolander, John

“…Dual three-dimensional networks of structural and transport elements were combined to model the effect of fracture on mass transport in quasi-brittle…”
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Evaluation of directional mesh bias in concrete fracture simulations using continuum damage models by Jirásek, Milan, Grassl, Peter

“…In the present comparative study, we investigate the influence of directional mesh bias on the results of failure simulations performed with isotropic and…”
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Calibration of nonlocal models for tensile fracture in quasi-brittle heterogeneous materials by Xenos, Dimitrios, Grégoire, David, Morel, Stéphane, Grassl, Peter

“…A new calibration strategy for integral-type nonlocal damage models for quasi-brittle materials is proposed. It is based on the assumption that in the fracture…”
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Random Lattice-Particle Simulation of Statistical Size Effect in Quasi-Brittle Structures Failing at Crack Initiation by Grassl, Peter, Bažant, Zdeněk P

“…The modeling of statistical size effect of concrete structures that fail at crack initiation is studied, with special attention to the interaction between the…”
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Mesoscale analysis of failure in quasi-brittle materials: comparison between lattice model and acoustic emission data by Grégoire, David, Verdon, Laura, Lefort, Vincent, Grassl, Peter, Saliba, Jacqueline, Regoin, Jean-Pierre, Loukili, Ahmed, Pijaudier-Cabot, Gilles

“…Summary The purpose of this paper is to analyse the development and the evolution of the fracture process zone during fracture and damage in quasi‐brittle…”
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3D lattice meso-scale modelling of the effect of lateral compression on tensile fracture processes in concrete by Grassl, Peter

“…The effect of lateral compressive stresses on the cracking process in tension is rarely considered in fracture models for quasi-brittle materials such as…”
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Network Modelling of the Influence of Swelling on the Transport Behaviour of Bentonite by Athanasiadis, Ignatios, Wheeler, Simon, Grassl, Peter

“…Wetting of bentonite is a complex hydro-mechanical process that involves swelling and, if confined, significant structural changes in its void structure. A…”
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Network modelling of fluid retention behaviour in unsaturated soils by Athanasiadis, Ignatios, Wheeler, Simon J., Grassl, Peter

“…The paper describes discrete modelling of the retention behaviour of unsaturated porous materials. A network approach is used within a statistical volume…”
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3D network modelling of fracture processes in fibre-reinforced geomaterials by Grassl, Peter, Antonelli, Adrien

“…The width of fracture process zones in geomaterials is commonly assumed to depend on the type of heterogeneity of the material. Still, very few techniques…”
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Meso-scale approach to modelling the fracture process zone of concrete subjected to uniaxial tension by Grassl, Peter, Jirásek, Milan

“…A meso-scale analysis is performed to determine the fracture process zone of concrete subjected to uniaxial tension. The meso-structure of concrete is…”
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CDPM2F: A damage-plasticity approach for modelling the failure of strain hardening cementitious composites by Zhou, Chao, Marlot, Antoine, Grassl, Peter

“…For the use of micro-mechanics based constitutive models for fibre reinforced strain hardening cementitious composites in finite element simulations of…”
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CDPM2: A damage-plasticity approach to modelling the failure of concrete by Grassl, Peter, Xenos, Dimitrios, Nyström, Ulrika, Rempling, Rasmus, Gylltoft, Kent

“…A constitutive model based on the combination of damage mechanics and plasticity is developed to analyse the failure of concrete structures. The aim is to…”
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Lattice modelling of corrosion induced cracking and bond in reinforced concrete by Grassl, Peter, Davies, Trevor

“…A lattice approach is used to describe the mechanical interaction of a corroding reinforcement bar, the surrounding concrete and the interface between steel…”
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Damage-plastic model for concrete failure by Grassl, Peter, Jirásek, Milan

“…The present paper deals with the combination of plasticity and damage applied to modeling of concrete failure. First, the local uniqueness conditions of two…”
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A damage-plasticity interface approach to the meso-scale modelling of concrete subjected to cyclic compressive loading by Grassl, Peter, Rempling, Rasmus

“…Concrete is characterised by stiff inclusions in a soft matrix separated by weak interfacial transition zones (ITZs). Subjected to cyclic loading, this…”
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Upscaling of three-dimensional reinforced concrete representative volume elements to effective beam and plate models by Sciegaj, Adam, Grassl, Peter, Larsson, Fredrik, Runesson, Kenneth, Lundgren, Karin

“…Two-scale models for reinforced concrete, where the large-scale problems are defined in terms of Euler–Bernoulli beam and Kirchhoff–Love plate models, are…”
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On the dynamic response of reinforced concrete beams subjected to drop weight impact by Leppänen, Joosef, Johansson, Morgan, Grassl, Peter

“…To improve the impact resistance of reinforced concrete structures, a detailed understanding of the dynamic response is required. This study investigates this…”
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On the numerical modelling of bond for the failure analysis of reinforced concrete by Grassl, Peter, Johansson, Morgan, Leppänen, Joosef

“…•Perfect bond and bond slip failure analyses of reinforced concrete with a crack-band model.•Perfect bond model produces mesh-dependent crack patterns.•Results…”
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Meso-scale modelling of the size effect on the fracture process zone of concrete by Grassl, Peter, Grégoire, David, Rojas Solano, Laura, Pijaudier-Cabot, Gilles

“…The size effect on the fracture process zone in notched and unnotched three point bending tests of concrete beams is analysed by a meso-scale approach…”
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