![]() With this instrument the nebulous nature of spiral galaxies was first resolved as structure. The physics of galaxies, he suggested, began with William Parsons and the Leviathan at Birr Castle-Ireland, the great 72inch reflector completed in 1845. Prof Gibson then talked in some detail on simulation factor parameters. These in turn led to more complex modelling, for example dam break simulations and the spread of flu pandemics are all now tested using simulations. Early simulations were based on data accumulated from such tests. Once the segregation boundary is removed the liquids mix in a certain fashion. The initial condition is the elevated water, the ‘Physics’ ie gravity – is viscosity and the boundary conditions are set by the container itself. Here, 2 layers of water of different viscosity are initially separated. ![]() Prof Gibson demonstrated a simple simulation exercise by showing the dropped water block test. Brad explained how galaxy evolution simulation models are built by applying various factors these are - initial conditions, laws of physics and known boundary conditions. The supercomputer Prof Gibson and his colleagues use known as ‘Viper’, has 5500 cores. Brad heads a research team who use supercomputer generated simulations to test, observational and theoretical predictions of galaxy formation and interactions, in particular spiral galaxies. The centre was opened in 2015 and as Brad pointed out the centre is not named after the author of Winnie the Poo AA Milne, but the distinguished astrophysicist and mathematician Edward Arthur Milne, who was born in Hull. Prof Gibson is the Professor of Astrophysics director at the recently opened E.A Milne centre for Astrophysics in Hull.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |