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==Applications==
The first applications of computer simulations for dynamic systems was in the aerospace industry.{{sfnp|Klee|Allen|2016|p=xiii}} Commercial uses of dynamic simulation are many and range from nuclear power, steam turbines, 6 degrees of freedom vehicle modeling, electric motors, econometric models, biological systems, robot arms, mass-spring-damper systems, hydraulic systems, and drug dose migration through the human body to name a few. These models can often be run in [[real-time simulation|real time]] to give a virtual response close to the actual system. This is useful in [[process control]] and [[mechatronic]] systems for tuning the [[automatic control]] systems before they are connected to the real system, or for human training before they control the real system.
Simulation is also used in computer games and animation and can be accelerated by using a [[physics engine]], the technology used in many powerful [[computer graphics]] [[software]] [[computer program|programs]], like [[3ds Max]], [[Maya (software)|Maya]], [[LightWave 3D|Lightwave]], and many others to simulate physical characteristics. In computer animation, things like [[hair]], [[cloth]], [[liquid]], [[fire]], and [[wiktionary:particles|particles]] can be easily modeled, while the human [[animator]] animates simpler objects. Computer-based dynamic animation was first used at a very simple level in the 1989 [[Pixar]] [[short film]] ''Knick Knack'' to move the fake snow in the snowglobe and pebbles in a fish tank.
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