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Contribution List

Displaying 49 contributions out of 49
Session: (1) Accretion flows in astrophysics (1.1) Binary stars (1.2) Active galactic nuclei, quasars; (1.3) Young stellar objects
Session: (2) Spherical accretion (2.1) Collisionless (Zeldovich-Novikov) spherical accretion (2.2) Hydrodynamic (Bondi) spherical accretion
Session: (3) Nonrelativistic accretion discs (3.1) Basics of disc accretion (3.2) Radiation mechanisms, variability, instabilities
Session: (4) Relativistic accretion discs (4.1) Basics of Schwarzschild and Kerr metrics (4.2) Stress-energy tensor, conservation equations (4.3) Relativistic (Novikov-Thorne) accretion disc
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Session: Accretion flows, disks, jets (basic treatment), description of astrophysical sources with accretion flows
Session: Basic MHD and MHD waves (a) The Lorentz force and MHD equations; (b) conservation of energy, magnetic helicity; (c) fast/slow and Alfven waves: Elsasser variables
Session: Basic equation of MHD (a) magnetic fields in astrophysics: pictures and general stuff; (b) Maxwell equations - Ohms law - induction equation; (c) flux freezing and diffusion of magnetic fields; (d) examples and applications of flux freezing
Session: Basic numerical discretization method: (1) differentiation; (2) integration; (3) interpolation
Session: Concluding remarks
Session: Dynamics and dissipation in poynting flux dominated flows
Session: Euler equations: (1) characteristics, Riemann problem; (2) exact and approximate solution; (3) practice session (Sod shock tube) with PLUTO; (4) extension to multidimension; (5) practice session (2-D) with PLUTO
Session: Galactic outflows and the IGM
Session: Guideline for the problems
Session: Higher order extension
Session: History and dynamics of the intergalactic medium
Session: Hydrodynamic and spectral properties of accretion and winds around compact objects: a shocking story
Session: Hydrostatics of planets, stars and cluster gas motion in astrophysical fluids: (1) convection in stars; (2) stellar winds - de Laval nozzle, Parker solution; (3) transonic flows; (4) implosions (gravitational collapse) and explosions
Session: Inauguration and opening remarks by Professor K.R. Sreenivasan, Director of ICTP.
Session: Introduction: equations of motion; Hydrostatic equilibrium: atmospheres; Steady flow of an ideal fluid; Bernoulli's equation and applications; Vorticity: Circulation theorem; Vortex lines
Session: Lunch Break
Session: MHD applications (a) magneto rotational instability, dispersion relation for a simple case - estimates of growth rates - effects of damping - boundaries; (b) stationary axi-symmetric MHD flows
Session: Magnetic fields: Implications for cosmology
Session: Magnetohydrodynamics (MHD): (1) Riemann problem; (2) approx Riemann solver; (3) practice session (Sod shock tube) with PLUTO; (4) -div.B=0
Session: Modelling MHD jets and outflows
Session: Modelling accretion-ejection processes in magnetized young star environments
Session: Nonlinear scalar equation: (1) Burger's equation; (2) shocks and rarefactions
Session: Numerical simulations in astrophysics: the PLUTO code
Session: Numerical simulations of the MRI in the shearing box approximation
Session: Occurrence and character of astrophysical fluids: (1) temperatures, densities, ionisation and composition of stars, interplanetary medium, ISM, ICM, IGM; (2) distribution of magnetic field; (3) heating and cooling of gas; (4) evolution of cosmic gas from big bang to present day
Session: Origin of magnetic fields (a) The generalised Ohm's law; (b) the Biermann battery; (c) Dynamos - mean field dynamo - fluctuation dynamo; (d) application to galaxies and clusters
Session: Potential flows, incompressible potential flows; Gravity waves and instability
Session: Poynting jets and MHD winds from disks of rapidly rotating magnetized stars and black holes
Session: Presentations by Participants
Session: Presentations by Participants
Session: Scaling in the NS equations; Flow past obstacles: Stokes flow; Flow past a cylinder: transition to turbulence; Homogeneous, isotropic turbulence
Session: Shock waves in astrophysical fluids
Session: The fundamental importance of cooling flows for galaxy formation
Session: The physics of early galaxy formation
Session: Theory of linear advection equation: (1) discretization, stability, Upwind method, characteristics; (2) practice session with PLUTO code
Session: Theory of linear hyperbolic systems: (1) Riemann problem; (2) characteristic decomposition
Session: Viscous fluids: viscous stress and strain tensors; Navier-Stokes equation: energy dissipation; incompressible fluids; Viscous diffusion of vorticity: boundary layers

Organizers

Directors: D. Bhattacharya, S. Massaglia, A. Rogava, S. Sridhar and K. Subramanian