Please enable JavaScript.
Coggle requires JavaScript to display documents.
Fibre-Concrete intercation (Modelling Process (Fibre model (MATLAB, rand…
Fibre-Concrete intercation
Fibre type
Different physical properties
Elastic modulus
Uniaxial and Biaxial compressive strength
Uniaxial and Biaxia tensile strength
Geometry
Fibre distribution
Fibre dimension
Fibre contant
Fibre shape
Lab test
Brazilian split cylinder test
Three and four point flexural test
Uniaxial compression test
Fibre pull-out test
Embedded fibre length
Inclination
Dimension
Modelling Process
Fibre model
MATLAB, rand function
Equivalent fibre property into matrix
Overall modelling
Concrete model
ATENA
Ansys（Solid 65）, Abaqus（C3D8R）, Nastran
Different model type: failure-plastic theory
Combine and Mesh
Setting parameter
Material properties
constitutive relation
Post-processing
Mesh density, Load step, Operating
Calculation
Meso-scale concrete fracture processing
Information
Void content, shape, size
Aggregate volume fraction, shape, dimension
Specimen size
Fibre modelling
Distribution type: uniform, random
Shape: sphere, ellipsoid, polygen
MATLAB, rand function
dimension: size
Modelling Process
Fibre model
MATLAB, rand function
Determine the size and shape
Deal with interaction
overlap
out of boundary
interact
Coordinates of points
Concrete model
Ansys, Abaqus, Nastran, Dyna
Combine and Mesh
deal with common node
element size
Setting parameter
Material properties
Mesh density, Load step, Operating: complex structure--misconvergence
Post-processing: static or dynamic?
Calculation
Loading method: uniaxial or biaxial
Different calculating method
Meso-scale concrete thermal mas transport
Thermal conductivity
mesh and calculate
Parameters: Boundary convection coefficient, Thermal conductivity of concrete,
Modelling
??Ionic diffusivity
the conjugate gradient method
the random walk method
the lattice Boltzmann method
?? Water permeability