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School on Astrophysical Fluid Dynamics | (smr 1865)
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  • Monday, 15 October 2007
    • 08:30 - 10:45 REGISTRATION AND ADMINISTRATIVE FORMALITIES (All visitors are kindly requested to register with the Secretary outside the Giambiagi Lecture Hall). Those receiving financial support or reimbursements will then have to see our Finance Office in the Fermi Building (after registration). Extra shuttle bus runs will be provided from the Adriatico to the Fermi Building and back for this purpose.
      • 08:30 REGISTRATION AND ADMINISTRATIVE FORMALITIES (All visitors are kindly requested to register with the Secretary outside the Giambiagi Lecture Hall). Those receiving financial support or reimbursements will then have to see our Finance Office in the Fermi Building (after registration). Extra shuttle bus runs will be provided from the Adriatico to the Fermi Building and back for this purpose. 2h15'
    • 10:45 - 11:00 Inauguration and opening remarks by Professor K.R. Sreenivasan, Director of ICTP.
      • 10:45 Inauguration and opening remarks by Professor K.R. Sreenivasan, Director of ICTP. 15'
    • 11:00 - 12:30 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 
      Tutors: T.D. Saini & S.K. Sethi
      • 11:00 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 1h30'
        Speaker: Instructor: Dipankar BHATTACHARYA (IUCAA, Pune, India)
        Material: lecture notes
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 Numerical simulations in astrophysics: the PLUTO code
      • 14:00 Numerical simulations in astrophysics: the PLUTO code 1h30'
        Speaker: Instructors: Silvano MASSAGLIA & Andrea MIGNONE (University of Torino, Italy)
        Material: lecture notes
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 Basic numerical discretization method: (1) differentiation; (2) integration; (3) interpolation
      • 15:45 Basic numerical discretization method: (1) differentiation; (2) integration; (3) interpolation 1h15'
        Speaker: Instructors: Silvano MASSAGLIA & Andrea MIGNONE
  • Tuesday, 16 October 2007
    • 09:00 - 10:30 Introduction: equations of motion; Hydrostatic equilibrium: atmospheres; Steady flow of an ideal fluid; Bernoulli's equation and applications; Vorticity: Circulation theorem; Vortex lines 
      Tutors: S.K. Sethi & T.D. Saini
      • 09:00 Introduction: equations of motion; Hydrostatic equilibrium: atmospheres; Steady flow of an ideal fluid; Bernoulli's equation and applications; Vorticity: Circulation theorem; Vortex lines 1h30'
        Speaker: Instructor: Sridhar SESHADRI (Raman Ressearch Institute, Bangalore, India)
        Material: lecture notes
    • 10:30 - 11:00 Coffee Break
      • 10:30 Coffee Break 30'
    • 11:00 - 12:30 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 
      Tutors: T.D. Saini & S.K. Sethi
      • 11:00 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 1h30'
        Speaker: Instructor: Dipankar BHATTACHARYA
        Material: lecture notes
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 -
      • 14:00 - 1h30'
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 -
      • 15:45 - 1h15'
  • Wednesday, 17 October 2007
    • 09:00 - 10:30 Potential flows, incompressible potential flows; Gravity waves and instability 
      Tutors: S.K. Sethi & T.D. Saini
      • 09:00 Potential flows, incompressible potential flows; Gravity waves and instability 1h30'
        Speaker: Instructor: Sridhar SESHADRI
    • 10:30 - 11:00 Coffee Break
      • 10:30 Coffee Break 30'
    • 11:00 - 12:30 Shock waves in astrophysical fluids 
      Tutors: T.D. Saini & S.K. Sethi
      • 11:00 Shock waves in astrophysical fluids 1h30'
        Speaker: Instructor: Dipankar BHATTACHARYA
        Material: lecture notes
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 Theory of linear advection equation: (1) discretization, stability, Upwind method, characteristics; (2) practice session with PLUTO code
      • 14:00 Theory of linear advection equation: (1) discretization, stability, Upwind method, characteristics; (2) practice session with PLUTO code 1h30'
        Speaker: Instructors: Silvano MASSAGLIA & Andrea MIGNONE
        Material: lecture notes
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 Theory of linear hyperbolic systems: (1) Riemann problem; (2) characteristic decomposition
      • 15:45 Theory of linear hyperbolic systems: (1) Riemann problem; (2) characteristic decomposition 1h15'
        Speaker: Instructors: Silvano MASSAGLIA & Andrea MIGNONE
    • 19:00 - 21:00 Reception - Buffet Dinner, Adriatico Guesthouse
      Location: Adriatico Guest House Cafeteria
      • 19:00 Reception - Buffet Dinner, Adriatico Guesthouse 2h0'
  • Thursday, 18 October 2007
    • 09:00 - 10:30 Viscous fluids: viscous stress and strain tensors; Navier-Stokes equation: energy dissipation; incompressible fluids; Viscous diffusion of vorticity: boundary layers 
      Tutors: S.K. Sethi & T.D. Saini
      • 09:00 Viscous fluids: viscous stress and strain tensors; Navier-Stokes equation: energy dissipation; incompressible fluids; Viscous diffusion of vorticity: boundary layers 1h30'
        Speaker: Instructor: Sridhar SESHADRI
    • 10:30 - 11:00 Coffee Break
      • 10:30 Coffee Break 30'
    • 11:00 - 12:30 Accretion flows, disks, jets (basic treatment), description of astrophysical sources with accretion flows 
      Tutors: T.D. Saini & S.K. Sethi
      • 11:00 Accretion flows, disks, jets (basic treatment), description of astrophysical sources with accretion flows 1h30'
        Speaker: Instructor: Dipankar BHATTACHARYA
        Material: lecture notes
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 -
      • 14:00 - 1h30'
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 -
      • 15:45 - 1h15'
  • Friday, 19 October 2007
    • 09:00 - 10:30 Scaling in the NS equations; Flow past obstacles: Stokes flow; Flow past a cylinder: transition to turbulence; Homogeneous, isotropic turbulence 
      Tutors: S.K. Sethi & T.D. Saini
      • 09:00 Scaling in the NS equations; Flow past obstacles: Stokes flow; Flow past a cylinder: transition to turbulence; Homogeneous, isotropic turbulence 1h30'
        Speaker: Instructor: Sridhar SESHADRI
    • 10:30 - 11:00 Coffee Break
      • 10:30 Coffee Break 30'
    • 11:00 - 12:30 -
      • 11:00 - 1h30'
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 Magnetohydrodynamics (MHD): (1) Riemann problem; (2) approx Riemann solver; (3) practice session (Sod shock tube) with PLUTO; (4) -div.B=0
      • 14:00 Magnetohydrodynamics (MHD): (1) Riemann problem; (2) approx Riemann solver; (3) practice session (Sod shock tube) with PLUTO; (4) -div.B=0 1h30'
        Speaker: Silvano MASSAGLIA & Andrea MIGNONE
        Material: lecture notes
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 Higher order extension
      • 15:45 Higher order extension 1h15'
        Speaker: Silvano MASSAGLIA & Andrea MIGNONE
  • Saturday, 20 October 2007
    • 09:00 - 10:00 The physics of early galaxy formation
      • 09:00 The physics of early galaxy formation 1h0'
        Speaker: Andrea Ferrara (S.I.S.S.A., Trieste, Italy)
        Material: lecture notes
    • 10:00 - 11:00 The fundamental importance of cooling flows for galaxy formation
      • 10:00 The fundamental importance of cooling flows for galaxy formation 1h0'
        Speaker: Pierluigi Monaco
        Material: lecture notes
    • 11:00 - 11:30 Coffee Break
      • 11:00 Coffee Break 30'
    • 11:30 - 12:30 History and dynamics of the intergalactic medium
      • 11:30 History and dynamics of the intergalactic medium 1h0'
        Speaker: Ue-Li Pen (Canadian Institute for Theoretical Astrophysics, Toronto, Canada)
        Material: lecture notes
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:00 Galactic outflows and the IGM
      • 14:00 Galactic outflows and the IGM 1h0'
        Speaker: Kandaswamy Subramanian (IUCAA, Pune, India)
        Material: lecture notes
    • 15:00 - 16:00 Magnetic fields: Implications for cosmology
      • 15:00 Magnetic fields: Implications for cosmology 1h0'
        Speaker: Shiv Sethi (Raman Research Institute, Bangalore, India)
  • Monday, 22 October 2007
    • 09:00 - 10:30 (1) Accretion flows in astrophysics (1.1) Binary stars (1.2) Active galactic nuclei, quasars; (1.3) Young stellar objects 
      Tutor: G. Gogoberidze
      • 09:00 (1) Accretion flows in astrophysics (1.1) Binary stars (1.2) Active galactic nuclei, quasars; (1.3) Young stellar objects 1h30'
        Speaker: Instructor: Andria ROGAVA (KU Leuven, Belgium)
        Material: lecture notes
    • 10:30 - 11:00 Coffee Break (Group Photograph will be taken on the Terrace during the break)
      • 10:30 Coffee Break (Group Photograph will be taken on the Terrace during the break) 30'
    • 11:00 - 12:30 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 
      Tutors: S. Sridhar & S.K. Sethi
      • 11:00 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 1h30'
        Speaker: Instructor: Kandaswamy SUBRAMANIAN (IUCAA, Pune India)
        Material: lecture notes
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 Nonlinear scalar equation: (1) Burger's equation; (2) shocks and rarefactions
      • 14:00 Nonlinear scalar equation: (1) Burger's equation; (2) shocks and rarefactions 1h30'
        Speaker: Instructors: Silvano MASSAGLIA & Andrea MIGNONE
        Material: lecture notes
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 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
      • 15:45 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 1h15'
        Speaker: Instructors: Silvano MASSAGLIA & Andrea MIGNONE
  • Tuesday, 23 October 2007
    • 09:00 - 10:30 (2) Spherical accretion (2.1) Collisionless (Zeldovich-Novikov) spherical accretion (2.2) Hydrodynamic (Bondi) spherical accretion 
      Tutor: G. Gogoberidze
      • 09:00 (2) Spherical accretion (2.1) Collisionless (Zeldovich-Novikov) spherical accretion (2.2) Hydrodynamic (Bondi) spherical accretion 1h30'
        Speaker: Instructor: Andria ROGAVA
        Material: lecture notes
    • 10:30 - 11:00 Coffee Break
      • 10:30 Coffee Break 30'
    • 11:00 - 12:30 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 
      Tutors: S. Sridhar & S.K. Sethi
      • 11:00 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 1h30'
        Speaker: Instructor: Kandaswamy SUBRAMANIAN
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 -
      • 14:00 - 1h30'
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 Guideline for the problems
      • 15:45 Guideline for the problems 1h15'
        Speaker: Grigol GOGOBERIDZE (KU Leuven, Belgium)
        Material: lecture notes
  • Wednesday, 24 October 2007
    • 09:00 - 10:30 (3) Nonrelativistic accretion discs (3.1) Basics of disc accretion (3.2) Radiation mechanisms, variability, instabilities 
      Tutor: G. Gogoberidze
      • 09:00 (3) Nonrelativistic accretion discs (3.1) Basics of disc accretion (3.2) Radiation mechanisms, variability, instabilities 1h30'
        Speaker: Instructor: Andria ROGAVA
        Material: Detailed Lecture Notes Presentation file
    • 10:30 - 11:00 Coffee Break
      • 10:30 Coffee Break 30'
    • 11:00 - 12:30 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 
      Tutors: S. Sridhar & S.K. Sethi
      • 11:00 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 1h30'
        Speaker: Instructor: Kandaswamy SUBRAMANIAN
        Material: lecture notes
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 Presentations by Participants
      • 14:00 Presentations by Participants 1h30'
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 Presentations by Participants
      • 15:45 Presentations by Participants 1h15'
  • Thursday, 25 October 2007
    • 09:00 - 10:30 (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 
      G. Gogoberidze
      • 09:00 (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 1h30'
        Speaker: Instructor: Andria ROGAVA
    • 10:30 - 11:00 Coffee Break
      • 10:30 Coffee Break 30'
    • 11:00 - 12:30 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 
      Tutors: S. Sridhar & S.K. Sethi
      • 11:00 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 1h30'
        Speaker: Instructor: Kandaswamy SUBRAMANIAN
    • 12:30 - 14:00 Lunch Break
      • 12:30 Lunch Break 1h30'
    • 14:00 - 15:30 -
      • 14:00 - 1h30'
    • 15:30 - 15:45 Coffee Break
      • 15:30 Coffee Break 15'
    • 15:45 - 17:00 -
      • 15:45 - 1h15'
  • Friday, 26 October 2007
    • 09:00 - 09:10 Welcome
      • 09:00 Welcome 10'
    • 09:10 - 10:00 Numerical simulations of the MRI in the shearing box approximation
      • 09:10 Numerical simulations of the MRI in the shearing box approximation 50'
        Speaker: Gianluigi BODO (Osservatorio Astronomico, Torino, Italy)
        Material: lecture notes
    • 10:00 - 10:50 Modelling MHD jets and outflows
      • 10:00 Modelling MHD jets and outflows 50'
        Speaker: Kanaris TSINGANOS (University of Athens, Greece)
        Material: lecture notes
    • 10:50 - 11:20 Coffee Break
      • 10:50 Coffee Break 30'
    • 11:20 - 12:10 Modelling accretion-ejection processes in magnetized young star environments
      • 11:20 Modelling accretion-ejection processes in magnetized young star environments 50'
        Speaker: Rony KEPPENS (KU Leuven, Belgium)
        Material: lecture notes
    • 12:10 - 14:30 Lunch Break
      • 12:10 Lunch Break 2h20'
    • 14:30 - 15:20 Hydrodynamic and spectral properties of accretion and winds around compact objects: a shocking story
      • 14:30 Hydrodynamic and spectral properties of accretion and winds around compact objects: a shocking story 50'
        Speaker: Sandip CHAKRABARTI (S.N. Bose National Centre for Basic Sciences, Kolkata, India)
        Material: lecture notes
    • 15:20 - 16:10 Poynting jets and MHD winds from disks of rapidly rotating magnetized stars and black holes
      • 15:20 Poynting jets and MHD winds from disks of rapidly rotating magnetized stars and black holes 50'
        Speaker: Richard V.E. LOVELACE (Cornell University, Ithaca, USA)
        Material: lecture notes
    • 16:10 - 16:40 Coffee Break
      • 16:10 Coffee Break 30'
    • 16:40 - 17:30 Dynamics and dissipation in poynting flux dominated flows
      • 16:40 Dynamics and dissipation in poynting flux dominated flows 50'
        Speaker: Maxim LYUTIKOV (Purdue University, West Lafayette, USA)
        Material: recording
    • 17:30 - 17:40 Concluding remarks
      • 17:30 Concluding remarks 10'
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