====== EXERCISES ====== **[[RXNnetworkEX|Reaction Networks]]**, **[[NuclPhysInput|Nucl Physics Input]]**, **[[HydroEX|Hydro]]**, **[[BBNEX|BBN]]** ==== Hydrodynamic Exercises ==== **Run a hydrodynamic code for:** - Read the [[http://astro.physics.ncsu.edu/pub/VH-1/bproblems.php|Problems & Solutions]] guide. - Set up and run the [[http://astro.physics.ncsu.edu/pub/VH-1/bproblems.php#stb|Sedov Blast]] problem. - Set up and run the [[http://astro.physics.ncsu.edu/pub/VH-1/bproblems.php#bnd|Bondi Accretion]] problem. You can also try: - Gravitational collapse of: * Uniformly distributed “star” (P(initial) = 0) * Simple density profile (P(initial) = 0) * Are there self-similar solutions? - Energy injection into gas clump of: * uniformly distributed mass * simple density profile $\rho(r) = \rho(0)[1-(r/R)^2]^n $ * How does the evolution change with different injection energies - Drive a piston through some medium * Piston in a cylinder * Spherical piston driving outwards * Spherical piston driving inwards * How does the outward driven spherical piston compare to the energy injection? **Download, compile and run the Hydrodynamics Code** - Download the VH1.0 [[hydrocode|Hydrodynamics Code]]. - Compile the code with your fortran90 compiler. - Report in the Hydrodynamics Code discussion thread your success with machine information. - Read the [[http://astro.physics.ncsu.edu/pub/VH-1/bquick.php|Quick Start]] guide. - Run the shock tube problem set up for beginners. - Plot and compare your results to the expected solution. - Read the [[http://astro.physics.ncsu.edu/pub/VH-1/bguide.php|Inside the code]] guide. - The VH1 User’s Guide for the serial version is hidden at [[http://astro.physics.ncsu.edu/pub/VH-1/sintro.php|VH1 User's Guide]]. ~~DISCUSSION|Hydrodynamic Exercises Discussion~~