Modeling and Simulation of Big Pendulum Hammer with Natural Coordinates

Ke Wei Zhang; Zhi Gang Hu; Peng Wei Guo

doi:10.4028/www.scientific.net/AMR.753-755.1016

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 753-755Modeling and Simulation of Big Pendulum Hammer...

Modeling and Simulation of Big Pendulum Hammer with Natural Coordinates

Abstract:

The dynamic of a type of play equipment, Big Pendulum Hammer, was modeled and simulated in computer and the approach of natural coordinates was adopted to build its equation of motion. In order to obtain appropriate natural coordinates, a two-step selection method was chosen, which based on concept of natural coordinate system (NCS). The two-step method treats selecting natural coordinates for a rigid element as building an actual NCS which should be adapted from a standard NCS. In order to automate the process of adaptation for 18 rigid elements in the model of Big Pendulum Hammer, a four-step self-adaptation method was also adopted, which can help automate the selection of natural coordinates for multi-rigidbody systems.

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Periodical:

Advanced Materials Research (Volumes 753-755)

Pages:

1016-1019

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.753-755.1016

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Online since:

August 2013

Authors:

Ke Wei Zhang, Zhi Gang Hu, Peng Wei Guo

Keywords:

Fully Cartesian Coordinates, Modeling, Multibody Dynamics, Natural Coordinate System, Natural Coordinates, Simulation

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