GalaxSee HPC II: Scaling N-Body Simulations
| Url | http://shodor.org/petascale/materials/UPModules/NBodyScaling/ |
| Creator | David Joiner |
| Contributor | None listed |
| Publisher | Shodor Education Foundation |
| Description | This teaching module continues with a demonstration of parallel and high-performance computing applied to the simulation of n-body system with a consideration of the issues that arise and approaches that are used to scale the such simulations. An initial introduction into GalaxSee HPC is covered in part I of the GalaxSee HPC modules. Part II will focus on numerical issues related to solving the N-Body problem more efficiently, in particular the use of softened potentials in the force calculation, the use of tree-based methods such as the Barnes-Hut method, and the use of spectral methods such as the Particle-Mesh method. Some of the mathematics involved can be performed by a student with a solid basis in algebra; however the theory behind the Particle-Mesh method does assume some knowledge of partial differential equations and of the use of Fourier transforms to simplify the solution of PDEs with periodic boundary conditions. |
| Format | C, Word |
| Subject | Physics, Education, Computational Science, Mathematics |
| Keyword | Particle-Mesh, Barnes-Hut, N-Body Simulation |
| Audience | Educator, Learner/Student, Student |