Sharif Digital Repository

Spin ladder with anisotropic ferromagnetic legs in a transverse magnetic field

Author

Japaridze, G. I.

Pub. Year

2007

Subjects

Anisotropy. / Ground state. / Magnetic couplings. / Magnetic field effects. / Phase diagrams. / Spin dynamics. / Anisotropic ferromagnetic leg. / Diagonalization technique. / Spin ladder. / Transverse magnetic field effects. / Ferromagnetic materials.

Experimental study of parameters affecting the nusselt number of generator rotor and stator

Author

Mahdavifar, S. J. E.

Pub. Year

2010

Subjects

Angular positions. / Experimental studies. / Generator rotors. / Heat transfer rate. / Rotational speed. / Rotor rotational speed. / Triangular grooves. / Heat exchangers. / Nusselt number. / Reynolds number. / Specific heat. / Stators.

Outage probability analysis of uplink NOMA over ultra-high-speed FSO-backhauled systems

Author

Jamali, M. V.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Channel state information. / Communication channels (information theory) / Multiple access interference. / Rayleigh fading. / Closed-form expression. / Free space optics. / Instantaneous channel state informations. / Multi-user interference. / Outage probability. / Outage probability analysis. / Radio frequencies. / Simultaneous transmission. / Outages.

Performance of three-level spectrally encoded spreadtime CDMA in the presence of multiple interferences [electronic resource] / Saeed Mashhadi, J. A. Salehi.

Author

Mashhadi, S. (Saeed).

Subjects

Codes. / Radiofrequency interference. / Code division multiple access. / Radio receivers. / AWGN channels.

An efficient and robust method for optimizing the number of non-linear iterations for simulating highly heterogeneous naturally fractured reservoirs

Author

Mohajeri, S.

Publisher

Society of Petroleum Engineers,

Pub. Year

2020

Subjects

Black-oil. / Fractured reservoirs. / Newton's method. / Non-linear iterations. / Reservoir simulation. / Aquifers. / Computational efficiency. / Efficiency. / Fracture. / Gasoline. / Information dissemination. / Jacobian matrices. / Oil well production. / Petroleum reservoirs. / Simulators. / Commercial simulators. / Computational effort. / Computationally efficient. / Convergence difficulty. / Heterogeneous modeling. / Naturally fractured reservoirs. / Nonlinear iterations. / Variable dependencies. / Petroleum reservoir evaluation.

A novel linear solver for simulating highly heterogeneous black oil reservoirs

Author

Mohajeri, S.

Publisher

Elsevier B.V,

Pub. Year

2020

Subjects

Black oil model. / CPR-AAMG. / Heterogeneous reservoirs. / Linear solver. / Reservoir simulation. / SPE 10. / Computational geometry. / Factorization. / Petroleum reservoirs. / Biconjugate gradient stabilized. / Black-oil reservoirs. / Commercial simulators. / Complicated geometry. / Convergence problems. / Incomplete LU factorizations. / Multi-grid algorithms. / Saturation equations. / Petroleum reservoir engineering. / Accuracy assessment. / Algorithm. / Computer simulation. / Equation. / Geometry. / Heterogeneity. / Hydrocarbon reservoir. / Numerical model.

An adaptive CPR-AMG based linear solver for simulating geometrically complicated and fractured reservoirs

Author

Mohajeri, S.

Publisher

Society of Petroleum Engineers,

Pub. Year

2020

Subjects

Computational geometry. / Efficiency. / Gasoline. / Petroleum reservoirs. / Black-oil models. / Calculation cost. / Complex geometries. / Computational power. / Fractured reservoir. / Maximum accuracies. / Preconditioning techniques. / Stable performance. / Fracture.

PRI (Palm Rotation Indicator): a metric for postural stability in dynamic nonprehensile manipulation [electronic resource] / Borhan Beigzadeh, Ali Meghdari, Saeed Sohrabpour.

Author

Beigzadeh, B. (Borhan).

Subjects

Palm rotation indicator. / Metric for postural stability. / Dynamic nonprehensile manipulation.