Mesoscale modelling of concrete–a review of geometry generation, placing algorithms, constitutive relations and applications

PSM Thilakarathna, KSK Baduge, P Mendis… - Engineering Fracture …, 2020 - Elsevier
Concrete can be considered as a heterogeneous material at mesoscale comprising of
several constituents such as aggregates, mortar and Interfacial Transition Zone (ITZ) …

Yade documentation

V Smilauer, V Angelidakis, E Catalano, R Caulk… - arxiv preprint arxiv …, 2023 - arxiv.org
Yade is an extensible open-source framework for discrete numerical models, focused on the
Discrete Element Method. The computation parts are written in c++ using a flexible object …

A DEM model for soft and hard rocks: role of grain interlocking on strength

L Scholtès, FV Donzé - Journal of the Mechanics and Physics of Solids, 2013 - Elsevier
The Discrete Element Method (DEM) is increasingly used to simulate the behavior of rock.
Despite their intrinsic capability to model fracture initiation and propagation starting from …

Modelling progressive failure in fractured rock masses using a 3D discrete element method

LUC Scholtès, FV Donzé - International Journal of Rock Mechanics and …, 2012 - Elsevier
Instabilities in rock structures involve coupled mechanisms related to both deformations
along existing discontinuities and brittle fracture of intact rock. Conventional kinematic and …

Evaluation of fracture behavior of high-strength hydraulic concrete damaged by freeze-thaw cycle test

X Zhu, X Chen, Y Bai, Y Ning, W Zhang - Construction and Building …, 2022 - Elsevier
Hydraulic concrete structures in cold regions are vulnerable to freeze–thaw (FT) damage,
which will affect the fracture performance of concrete structures. Hence, the fracture …

A bonded-particle model for cemented sand

M Obermayr, K Dressler, C Vrettos… - Computers and …, 2013 - Elsevier
We propose an extension of the Discrete Element Method for the numerical simulation of
cemented sands, in which spherical particles are bonded together by elastic beams …

A new contact model to improve the simulated ratio of unconfined compressive strength to tensile strength in bonded particle models

X Ding, L Zhang - International journal of rock mechanics and mining …, 2014 - Elsevier
The bonded particle model (BPM) has been increasingly used to simulate and analyze the
mechanical behavior of rocks. However, traditional BPMs that use symmetric particles bear …

Experimental and numerical research on triaxial mechanical behavior of self-compacting concrete subjected to freeze–thaw damage

X Zhu, X Chen, N Zhang, X Wang, H Diao - Construction and Building …, 2021 - Elsevier
Considering that freeze–thaw (FT) damage has a serious degradation effect on the
performance of concrete materials in cold regions and constraint is a common boundary …

A local constitutive model for the discrete element method. Application to geomaterials and concrete

E Onate, F Zárate, J Miquel, M Santasusana… - Computational particle …, 2015 - Springer
This paper presents a local constitutive model for modelling the linear and non linear
behavior of soft and hard cohesive materials with the discrete element method (DEM). We …

Aggregate effect on the mechanical and fracture behaviours of concrete

H Zhao, L Zhang, Z Wu, A Liu, M Imran - International Journal of …, 2023 - Elsevier
Mechanical properties of concretes highly depend on aggregate inclusions. In-depth
understandings of concrete fracture mechanisms and how aggregates influence the …