论文标题
行星系统的平行N体模拟：一种直接方法
Parallel N-body simulations of planetary systems: a direct approach
论文作者
论文摘要
N体系统的直接重力模拟具有时间复杂性O（n^2），随着身体数量的增加，计算在计算上昂贵。将此工作负载分配到多个核心可以显着加速计算，并且是并行计算背后的基本原理。该项目模拟了未来1000年（从2015年至3015年）上的太阳系（进化）在BlueCrystal超级计算机上。成功模拟了引力物体（行星，卫星，小行星），并通过NASA的JPL Horizons Web界面获得了太阳系对象的初始状态（质量，位置和速度向量）。研究了两个并行计算域：共享和分布式内存系统。
Direct gravitational simulations of n-body systems have a time complexity O(n^2), which gets computationally expensive as the number of bodies increases. Distributing this workload to multiple cores significantly speeds up the computation and is the fundamental principle behind parallel computing. This project simulates (evolves) our solar system for the next 1000 years (from 2015 to 3015) on the BlueCrystal supercomputer. The gravitational bodies (planets, moons, asteroids) were successfully simulated, and the initial states (mass, position and velocity vectors) of the solar system objects were obtained via NASA's JPL Horizons web interface. Two parallel computing domains are investigated: shared and distributed memory systems.
