Sharif Digital Repository

Predicting density and compressive strength of concrete cement paste containing silica fume using Artificial Neural Networks

Author

Rasa, E.

Pub. Year

2009

Subjects

Cement paste. / Density. / Neural Network. / Silica fume. / Artificial neural network. / Artificial neural networks. / Cement paste. / Cement type. / Complex interaction. / Compressive strength of concrete. / Concrete mixture. / Conventional methods. / Data sets. / Density value. / Feedforward backpropagation. / Highly nonlinear. / Input/output. / Intelligence modeling. / Nonlinear effect. / Prior knowledge. / Saturated surface dries. / Cements. / Density (specific gravity) / Forecasting. / Mechanical properties. / Neural networks. / Plasticizers. / Regression analysis. / Silica. / Compressive strength. / Artificial intelligence. / Cement. / Concrete. / Numerical model.

Study of early-age creep and shrinkage of concrete containing Iranian pozzolans: An experimental comparative study

Author

Ghodousi, P.

Pub. Year

2009

Subjects

Ground-granulated blast-furnace slag. / Pozzolanic concrete. / Prediction models. / Short-term test method. / Silica fume. / Trass. / Atmospheric humidity. / Furnaces. / Humidity control. / Mathematical models. / Moisture. / Oxides. / Pozzolan. / Slags. / Comparative study. / Concrete. / Creep. / Experimental study. / Relative humidity. / Shrinkage. / Silica. / Volcanic ash.

Droplet condensation on chemically homogeneous and heterogeneous surfaces

Author

Ashrafi, A.

Publisher

American Institute of Physics Inc,

Pub. Year

2016

Subjects

Atmospheric temperature. / Computational fluid dynamics. / Distribution functions. / Drop formation. / Drops. / Heat transfer. / Hydrophobicity. / Nucleation. / Double distribution functions. / Dropwise condensation. / Filmwise condensation. / Heat transfer analysis. / Heterogeneous surface. / Nucleation and growth. / Thermal lattice-Boltzmann method. / Wettability gradients. / Condensation.

New correlation for calculating natural gas Z-factor

Author

Ashrafi Moghadam, A.

Pub. Year

2010

Droplet condensation and jumping on structured superhydrophobic surfaces

Author

Ashrafi Habibabadi, A.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Droplet jumping. / Superhydrophobic surfaces. / Thermal lattice Boltzmann method. / Computational fluid dynamics. / Condensation. / Distribution functions. / Hydrophobicity. / Kinetic theory. / Nucleation. / Surface measurement. / Surface properties. / Textures. / Different mechanisms. / Double distribution functions. / Droplet condensation. / Droplet nucleation. / Dropwise condensation. / Super-hydrophobic surfaces. / Suspended droplets. / Thermal lattice-Boltzmann method. / Drop formation.

A novel management scheme to reduce emission produced by power plants and plug-in hybrid electric vehicles in a smart microgrid

Author

Ashrafi, R.

Publisher

Springer,

Pub. Year

2020

Subjects

Energy storage systems (ESSs) / Microgrids (MGs) / Plug-in hybrid electric vehicles (PHEV) / Control equipment. / Electric energy storage. / Electric power plants. / Energy management. / Integer programming. / Reactive power. / Scheduling. / Software testing. / Vehicle-to-grid. / Active and Reactive Power. / Distributed generations (DGs) / Electric Vehicles (EVs) / Growth and development. / Micro grid. / Plug in hybrid electric vehicles. / Second-order cone programming. / Plug-in hybrid vehicles. / Electric vehicle. / Emission. / Energy storage. / Power generation. / Power plant. / Smart grid. / Software.

Two-dimensional modeling of functionally graded viscoelastic materials using a boundary element approach

Author

Ashrafi, H.

Pub. Year

2012

Subjects

Boundary element analysis. / Boundary elements. / Boundary integral equation approach. / Cartesian coordinate. / Composition changes. / Elasto-static problem. / Functionally graded. / Material property. / Non-homogeneous. / Numerical example. / Numerical implementation. / Somigliana identity. / Visco-elastic material. / Viscoelastic behaviors. / Beams and girders. / Elasticity. / Functionally graded materials. / Materials properties. / Boundary element method.