Simulation of Fresh Concrete Flow

Introduction.- Physical Phenomena Involved In Flows Of Fresh Cementitious Materials.- Introduction.- Is Concrete A Discrete Or A Continuum Material?.- Macroscopic Rheological Behavior.- Multi-Scale Approach.- Particle Interactions.- Stability And Static Segregation.- Dynamic Segregation And Granular Blocking.- Fiber Orientation And Induced Anisotropy.- Thixotropy And Transient Behavior.- Behavior At The Walls.- References.- Computational Fluid Dynamics.- Introduction To Computational Fluid Dynamics.- Material Behaviour Law.- Solving A Fluid Problem.- Analytical Solutions.- Numerical Solution.- Simulation Of Fresh Cementitious Materials.- References.- Simulation Of Fresh Concrete Flow Using Discrete Element Method (Dem).- Introduction.- Discrete Element Method.- Simulating Concrete Flow Using Dem.- Calibration And Verification.- Industrial Applications.- Future Perspectives.- Summary.- Rerefences.- Numerical Errors In Cfd And Dem Modeling.- Introduction.- Basics Of Cfd – Understanding The Source Of Errors.- Numerical Errors (E1).- Coding Errors (E2).- User Error (E3).- Error From Input Uncertainties (U1).- Physical Model Uncertainty (U2).- Sources Of Numerical Error In Dem Simulations.- References.- Advanced Methods And Future Perspectives.- Introduction.- Case Studies.- References.