Simulation of uniaxial tensile behavior of quasi-brittle materials using softening contact models in DEM

B Pulatsu, E Erdogmus, PB Lourenço… - International Journal of …, 2019 - Springer
This study proposes new contact models to be incorporated into discrete element method
(DEM) to more accurately simulate the tensile softening in quasi-brittle materials, such as …

An embedded formulation with conforming finite elements to capture strong discontinuities

D Dias‐da‐Costa, J Alfaiate, LJ Sluys… - International Journal …, 2013 - Wiley Online Library
The embedding of discontinuities into finite elements has become a powerful technique for
the simulation of fracture in a wide variety of mechanical problems. However, existing …

Crack growth in masonry: Numerical analysis and sensitivity study for discrete and smeared crack modelling

L Bejarano-Urrego, E Verstrynge, G Giardina… - Engineering …, 2018 - Elsevier
One of the most common obstacles faced by engineers when making numerical models to
assess damage in historical masonry lies in defining the most suitable constitutive models …

A localized mapped damage model for orthotropic materials

L Pelà, M Cervera, S Oller, M Chiumenti - Engineering Fracture Mechanics, 2014 - Elsevier
This paper presents an implicit orthotropic model based on the Continuum Damage
Mechanics isotropic models. A mapping relationship is established between the behaviour …

An embedded cohesive crack model for finite element analysis of brickwork masonry fracture

E Reyes, JC Gálvez, MJ Casati, DA Cendón… - Engineering Fracture …, 2009 - Elsevier
This paper presents a numerical procedure for fracture of brickwork masonry based on the
strong discontinuity approach. The model is an extension of the cohesive model prepared by …

[HTML][HTML] A comparative approach to using photogrammetry in the structural analysis of historical buildings

I Kutlu, A Soyluk - Ain Shams Engineering Journal, 2024 - Elsevier
Finite element method (FEM) provides the numerically solving differential equations arising
in engineering and mathematical modeling of physical systems. This process begins by …

An embedded cohesive crack model for finite element analysis of quasi-brittle materials

JC Gálvez, J Planas, JM Sancho, E Reyes… - Engineering Fracture …, 2013 - Elsevier
This paper presents a numerical implementation of the cohesive crack model for the
analysis of quasibrittle materials based on the strong discontinuity approach in the …

A 3-D DDA damage analysis of brick masonry buildings under the impact of boulders in mountainous areas

S Liu, Z Li, H Zhang, W Wu, G Zhong, S Lou - Journal of Mountain Science, 2018 - Springer
In mountainous areas, geological disasters carrying large boulders can cause severe
damage to the widely used masonry buildings due to the high impact forces. To better …

[HTML][HTML] An anisotropic damage formulation for composite materials based on a gradient-enhanced approach: Formulation and implementation at small strain

B Yin, I Zreid, G Lin, G Bhashyam, M Kaliske - International Journal of …, 2020 - Elsevier
Classical gradient enhanced damage models have been intensively studied and
demonstrated to provide reliable predictions of structural failure. Singularities due to local …

Structural investigation of Mnajdra megalithic monument in Malta

SM Motsa, GA Drosopoulos, ME Stavroulaki… - Journal of Cultural …, 2020 - Elsevier
In this article an overall procedure is proposed, for the numerical investigation of the
structural response of ancient monuments made of megalithic stones. The procedure is …