Sharif Digital Repository

Numerical simulation of ductile crack growth under cyclic and dynamic loading with a damage–viscoplasticity model

Author

Khoei, A. R. (Amir Reza).

Pub. Year

2013

Subjects

Ductile crack propagation. / Dynamic/cyclic loading. / Continuum damage mechanics. / Rate-dependent visco-plasticity. / Crack closure effect.

Effect of rubber component on the performance of brake friction materials

Author

Saffar, A.

Pub. Year

2012

Subjects

Polymer-matrix composites. / Wear. / Brake friction materials. / Brake materials. / Entropic contributions. / Friction force. / Frictional behavior. / Higher temperatures. / Organic binders. / Polymeric binder. / Resin-based materials. / Rubber component. / Sliding velocities. / Styrene butadiene rubber. / Viscoelastic response. / Wear rates. / Binders. / Brakes. / Butadiene. / Friction materials. / Mechanical properties. / Phenolic resins. / Phenols. / Polymer matrix composites. / Polymers. / Resins. / Rubber. / Styrene. / Tribology. / Wear of materials. / Friction.

Studies on the friction and wear characteristics of rubber-based friction materials containing carbon and cellulose fibers

Author

Shojaei, A.

Pub. Year

2011

Subjects

Cellulose fiber. / Coefficient of frictions. / Friction and wear characteristics. / Friction test. / High sliding velocities. / Reference material. / Sliding velocities. / Surface microstructures. / Tribological characteristics. / Two-roll mill. / Wear rates. / Brakes. / Cellulose. / Friction. / Friction materials. / Glass transition. / Rubber. / Textile fibers. / Tribology. / Wear of materials. / Wear resistance. / Carbon fibers.

Using sliding mode control to adjust drum level of a boiler unit with time varying parameters

Author

Moradi, H.

Pub. Year

2010

Subjects

Boiler unit. / Boiler units. / Control signal. / Drum Level. / Drum water level. / Economic operations. / Generator systems. / Input variables. / Linear model. / Mass rate. / Model parameters. / Model uncertainties. / Operating condition. / Output variables. / Parameter mismatches. / Sliding mode controller. / Stable control. / Time varying parameter. / Time varying parameters. / Boilers. / Computer simulation. / Controllers. / Sliding mode control. / Steam power plants. / Systems analysis. / Uncertainty analysis. / Water levels. / Boiler control.

Theoretical and experimental analysis of the thermal, fade and wear characteristics of rubber-based composite friction materials

Author

Saffar, A.

Pub. Year

2010

Subjects

Fade. / Viscoelastic. / Wear. / Cellulose fiber. / Coefficient of frictions. / Experimental analysis. / Experimental data. / Fiber reinforcement. / Glassy behavior. / matrix. / Model parameters. / Reinforced fibers. / Rubbery state. / Semiempirical models. / Sliding velocities. / Viscoelastic response. / Wear characteristics. / Wear rates. / Brakes. / Fiber optic sensors. / Fibers. / Friction. / Friction materials. / Glass transition. / Reinforced plastics. / Rubber. / Tribology. / Carbon fibers.

An architecture for a context-aware service broker in ubiquitous computing environments

Author

Ganji Saffar, Y.

Publisher

IEEE Computer Society,

Pub. Year

2006

Subjects

Computation theory. / Intelligent agents. / Problem solving. / Telecommunication services. / Context-aware service brokers. / Ubiquitous computing environments. / Computer architecture.

Numerical simulation of ductile crack growth under cyclic and dynamic loading with a damage-viscoplasticity model

Author

Khoei, A. R.

Pub. Year

2013

Subjects

Crack closure effect. / Ductile crack propagation. / Dynamic/cyclic loading. / Rate-dependent visco-plasticity. / Adaptive finite element methods. / Combined hardenings. / Computational algorithm. / Crack closure effects. / Ductile crack growth. / Ductile materials. / Finite element implementation. / Rate independents. / Computer simulation. / Continuum damage mechanics. / Crack propagation. / Cracks. / Ductile fracture. / Dynamic loads. / Finite element method. / Loading.

Using sliding mode control to adjust drum level of a boiler unit with time varying parameters

Author

Moradi, H.

Pub. Year

2010

Subjects

Boiler unit. / Control signal. / Drum Level. / Drum water level. / Economic operations. / Generator systems. / Input variables. / Linear model. / Mass rate. / Model parameters. / Model uncertainties. / Operating condition. / Output variables. / Parameter mismatches. / Sliding mode controller. / Stable control. / Time varying parameter. / Boilers. / Computer simulation. / Controllers. / Sliding mode control. / Steam power plants. / Systems analysis. / Uncertainty analysis. / Water levels. / Boiler control.

Multivariable control of an industrial boiler-turbine unit with nonlinear model: A comparison between gain scheduling and feedback linearization approaches

Author

Moradi, H.

Publisher

Sharif University of Technology,

Pub. Year

2013

Subjects

Boiler-turbine. / Nonlinear model. / Boilers. / Controllers. / Electric machine control. / Feedback. / Linearization. / MIMO systems. / Multivariable control systems. / Nonlinear feedback. / Nonlinear systems. / Scheduling. / State space methods. / Turbines. / Water levels. / Boiler turbines. / Environmental awareness. / Feedback linearization approaches. / Gain Scheduling. / Multi-input-multi-output models. / Multivariable control. / State space representation. / Feedback linearization. / Comparative study. / Control system. / Nonlinearity. / performance assessment. / power plant. / pressure gradient. / Tracking. / Turbine. / Uncertainty analysis. / Water level.

Parallel online ranking of web pages

Author

Ganji Saffar, Y.

Publisher

IEEE Computer Society,

Pub. Year

2006

Subjects

Algorithms. / Computational methods. / Computer graphics. / Indexing (of information) / Query languages. / Search engines. / Websites. / Online ranking. / Ranking algorithms. / Web graphs. / Online searching.

A general model for I/O system theory, Proceedings of AIMC31 [electronic resource] / Amir Daneshgar, Amir Hashemi.

Author

Daneshgar, A. (Amir).

Subjects

L-fuzzu sets. / Enriched category. / I/O system theory. / Morphological filtering. / Translation invariant system.

A comparative study between linear and sliding mode adaptive controllers for a hot gas generator

Author

Abedi, M.

Pub. Year

2010

Subjects

Control. / Heat exchanger. / Robustness. / Sliding mode. / Tracking. / Adaptive. / Adaptive control. / Adaptive controllers. / Adaptive sliding mode controller. / Application domains. / Compact heat exchanger. / Comparative studies. / Dynamic modeling. / High temperature. / Hot gas. / Lyapunov. / Robust controllers. / Sliding mode tracking. / Sliding modes. / System uncertainties. / Controllers. / Gas generators. / Heat exchangers. / Robustness (control systems) / Adaptive control systems.

General theory of translation invariant systems [electronic resource] / Amir Daneshgar.

Author

Daneshgar, A. (Amir).

Subjects

Translation invariant systems. / Morphological filtering. / Residuated semigroups.

Duality in a generalized model for translation invariant systems [electronic resource] / Amir Daneshgar.

Author

Daneshgar, A. (Amir).

Subjects

Morphological mathematics. / Translation invariant systems. / L-fuzzy sets.