Planar Slider-Crank Mechanism – Multibody, Multi-Domain Physical Model in MapleSim – Maplesoft

Planar Slider-Crank Mechanism

As shown in the figure, the crank has a mass m1 (and length L1), while the connecting rod has a mass m2 (and length L2).  Gravity in the -Y direction is included.  The equations will be generated with the 3 joint coordinates [s, theta, beta].  Since the system has only 1 degree of freedom, 2 algebraic constraint equations will be generated for these 3 coordinates, in addition to the 3 dynamic equations.

This model was created with MapleSim 2020.1

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Model Images
  • img_main Physical models are created to look visually similar to the actual system, thus speeding up modeling time and reducing mistakes
  • img_model Model diagram showing the slider-crank and free body diagram
  • img_results Simulation results showing displacement, angle, speed, and acceleration of the slider-crank
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