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Universe Sandbox Wiki
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N-Body Simulation
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N-Body Simulation
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===Settings=== * The simulation's [[Simulation Speed]] will affect the size of the time step, and thus both the speed and the accuracy of the ''N''-body simulation. ** By default, the maximum allowed simulation speed is automatically set by Universe Sandbox based on performance. The way this maximum simulation speed is calculated can be adjusted via the [[Sim Settings Menu#Tuning Profile|Tuning Profile]] and [[Sim Settings Menu#Limit Multiplier|Limit Multiplier]] settings in the [[Sim Settings Menu]]. The object in the simulation that is [[Sim Settings Menu#Performance Limiting Object|primarily responsible]] for limiting the simulation speed is also listed in the Sim Settings Menu. Simulation speed limiting can also be turned off via the [[Sim Settings Menu#Auto Limit Simulation Speed|Auto Limit Simulation Speed]] toggle in the Sim Settings Menu. ** See Home > Guides > Tutorials > Basic & Advanced Simulation Speed Controls for more details * The simulation's [[Gravitational Constant]] will affect the strength of gravity in that simulation * The type of ''N''-body integrator used by Universe Sandbox (see [[N-Body Simulation#Models|Models]] below) can be changed in the [[Sim Settings Menu#Integrator|Sim Settings Menu]]. * The number of [[N-Body Simulation#Substepping|substeps]] used at any point in the simulation is displayed in the [[Sim Settings Menu#Advanced|Advanced]] section of the Sim Setting Menu. * A new, experimental [[Sim Settings Menu#Experimental Gravity Tree|tree algorithm]] for increasing the speed of the Universe Sandbox gravity simulation can be turned on in the Advanced section of the Sim Settings Menu.
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