Stinson, GSeth, AKatz, NWadsley, JGovernato, FQuinn, T2024-04-262024-04-262006-01-01https://doi.org/10.1111/j.1365-2966.2006.11097.xhttps://hdl.handle.net/20.500.14394/2989<p>This is the pre-published version harvested from ArXiv. The published version is located at <a href="http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2966.2006.11097.x/abstract">http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2966.2006.11097.x/abstract</a></p>We present an analysis of star formation and feedback recipes appropriate for galactic smoothed particle hydrodynamics simulations. Using an isolated Milky Way-like galaxy, we constrain these recipes based on well-established observational results. Our star formation recipe is based on that of Katz with the additional inclusion of physically motivated supernova feedback recipes. We propose a new feedback recipe in which Type II supernovae are modelled using an analytical treatment of blastwaves. With this feedback mechanism and a tuning of other star formation parameters, the star formation in our isolated Milky Way-like galaxy follows the slope and normalization of the observed Schmidt law. In addition, we reproduce the low-density cut-off and filamentary structure of star formation observed in disc galaxies. Our final recipe will enable better comparison of N-body simulations with observations.hydrodynamicsmethods : N-body simulationsstars : formationGalaxy : evolutionAstrophysics and Astronomyarticle