Meso-scale modelling of size effect on pure torsional-shear of RC columns

2022 ◽  
Vol 22 (1) ◽  
Author(s):  
Liu Jin ◽  
Huajie Zhu ◽  
Xiuli Du
Keyword(s):  
Size Effect ◽  
Rc Columns ◽  
Torsional Shear ◽  
Scale Modelling ◽  
Meso Scale

scholarly journals Meso-scale modelling of the size effect on the fracture process zone of concrete

2012 ◽  
Vol 49 (13) ◽  
pp. 1818-1827 ◽  
Author(s):  
Peter Grassl ◽  
David Grégoire ◽  
Laura Rojas Solano ◽  
Gilles Pijaudier-Cabot
Keyword(s):  
Size Effect ◽  
Fracture Process ◽  
Fracture Process Zone ◽  
Process Zone ◽  
Scale Modelling ◽  
Meso Scale

Meso-Scale Modelling of Charge Transport in Halide Perovskites

2018 ◽  
Author(s):  
Matthew Wolf ◽  
Lewis Irvine ◽  
Ian Thompson ◽  
Alison Walker
Keyword(s):  
Charge Transport ◽  
Scale Modelling ◽  
Halide Perovskites ◽  
Meso Scale

Static size effect of recycled coarse aggregate concrete: Experimental study, meso-scale simulation, and theoretical analysis

Structures ◽  
2021 ◽  
Vol 34 ◽  
pp. 2996-3012
Author(s):  
Hongyuan Zhou ◽  
Houzhan Zhou ◽  
Xiaojuan Wang ◽  
Wanlin Cao ◽  
Tianyi Song ◽  
...  
Keyword(s):  
Experimental Study ◽  
Theoretical Analysis ◽  
Size Effect ◽  
Coarse Aggregate ◽  
Aggregate Concrete ◽  
Recycled Coarse Aggregate ◽  
Meso Scale

Micro/Meso Scale Modelling of Two-Phase Flow on Functional Surfaces: A Numerical Simulation of Water Droplets on Natural Hydrophobic Surfaces With Micro Roughness

2009 ◽  
Author(s):  
Y. Y. Yan
Keyword(s):  
Two Phase Flow ◽  
Contact Angles ◽  
Phase Flow ◽  
Fluid Interface ◽  
Water Droplets ◽  
Hydrophobic Surfaces ◽  
Two Phase ◽  
Partial Wetting ◽  
Scale Modelling ◽  
Meso Scale

A micro/meso scale modelling of two-phase droplets move on hydrophilic/hydrophobic surfaces with micro roughness is reported. The physical model is basically of two-phase flow interacting with the surfaces of different hydrophobicity or wettability. Numerical modelling based on the lattice Boltzmann method (LBM) is developed and applied to the computational calculation and simulation. The LBM modelling deals with surface tension dominated behaviour of water droplets in air spreading on a hydrophilic surface with hydrophobic strips of different sizes and contact angles under different physical and interfacial conditions, and aims to find quantitative data and physical conditions of the biomimetic approaches. The current LBM can be applied to simulate two-phase fluids with large density ratio (up to 1000), and meanwhile deal with interactions between a fluid-fluid interface and a partial wetting wall. In the simulation, the interactions between the fluid-fluid interface and the partial wetting wall with different hydrophobic strips such as single strip, intersecting stripes, and alternating & parallel stripes, of different sizes and contact angles are considered and tested numerically; the phenomena of droplets spreading and breaking up, and the effect of hydrophobic strips on the surface wettability or self-cleaning characteristics are simulated, reported and discussed.

The role of particle morphology on concrete fracture behaviour: A meso-scale modelling approach

2020 ◽  
Vol 134 ◽  
pp. 106096 ◽  
Author(s):  
Deheng Wei ◽  
Ryan C. Hurley ◽  
Leong Hien Poh ◽  
Daniel Dias-da-Costa ◽  
Yixiang Gan
Keyword(s):  
Fracture Behaviour ◽  
Particle Morphology ◽  
Concrete Fracture ◽  
Scale Modelling ◽  
Meso Scale ◽  
Modelling Approach

Experimental Investigation of Size Effects of FCC Polycrystal by Shear Banding

1999 ◽  
Vol 121 (2) ◽  
pp. 156-161
Author(s):  
Osamu Watanabe ◽  
Takayuki Kurata
Keyword(s):  
Size Effect ◽  
Cross Section ◽  
Size Effects ◽  
Rectangular Cross Section ◽  
Pure Aluminum ◽  
Shear Banding ◽  
Compressive Loading ◽  
Thickness Effect ◽  
Internal Mechanism ◽  
Meso Scale

Several plasticity phenomena display a size effect where the smaller the size is the stronger its response. This effect relates to the plastic gradients, appearing in plastically inhomogeneous material. The present paper describes results of an experimental meso-scale study using the specimens having rectangular cross section made of FCC polycrystal of pure Aluminum and OFHC Copper under the tensile or compressive loading. Experimental measurements are carried out to investigate thickness effect and grain size effect in connection with size effect, and the internal mechanism of plastic flow in the specimens is also discussed.

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