Robust probabilistic calibration of a stochastic lattice discrete particle model for concrete

2021 ◽  
Vol 236 ◽  
pp. 112000
Author(s):  
Eliška Janouchová ◽  
Anna Kučerová ◽  
Jan Sýkora ◽  
Jan Vorel ◽  
Roman Wan-Wendner
Keyword(s):  
Particle Model ◽  
Discrete Particle ◽  
Discrete Particle Model ◽  
Lattice Discrete Particle Model

Meso-Scale Simulation of Concrete: Blast and Penetration Effects and AAR Degradation

2011 ◽  
Vol 82 ◽  
pp. 75-80 ◽  
Author(s):  
Gianluca Cusatis ◽  
Giovanni Di Luzio ◽  
Luigi Cedolin
Keyword(s):  
Laboratory Tests ◽  
Experimental Tests ◽  
Rensselaer Polytechnic Institute ◽  
Particle Model ◽  
Concrete Dam ◽  
Air Blast ◽  
Discrete Particle ◽  
Discrete Particle Model ◽  
Lattice Discrete Particle Model ◽  
Meso Scale

The study of concrete dam subjected to extreme loading conditions require theadoption of accurate constitutive equations. In this paper some recent results on the meso-scalesimulation of blast and penetration e ects on concrete will be discussed. The adopted meso-scale constitutive equation is the so-called Lattice Discrete Particle Model (LDPM) recentlyformulated at Rensselaer Polytechnic Institute. LDPM can accurately describe the macroscopicbehavior of quasi-brittle materials, and especially concrete, during elastic, fracturing, softening,and hardening regimes. Tensile dominated experimental tests under both dynamic conditionswere numerically simulated. After presenting examples of simulations relevant to quasi-staticand dynamic concrete behavior, LDPM simulation of the e ect of air blast pressure, on concretewill be discussed. Finally, the problem of the extrapolations of laboratory tests to actual in-situconditions is also presented.

scholarly journals Multiphysics Lattice Discrete Particle Model for the simulation of concrete thermal spalling

2020 ◽  
Vol 106 ◽  
pp. 103457 ◽  
Author(s):  
Lei Shen ◽  
Weixin Li ◽  
Xinwei Zhou ◽  
Jun Feng ◽  
Giovanni Di Luzio ◽  
...  
Keyword(s):  
Particle Model ◽  
Discrete Particle ◽  
Discrete Particle Model ◽  
Lattice Discrete Particle Model
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