Tool for Preliminary Dynamics and Stress Analysis of Articulating Cranes
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A computer program is developed for preliminary dynamics and stress analysis of articulating cranes.
As the priority is put on obtaining relatively accurate results in the shortest time possible, the attention is paid to the optimization of the most time-consuming operations: structural scheme preparation and dynamics and stress problem solution. An easy to use graphical user interface (GUI) with the ability to add and modify typical articulating crane components is aimed to resolve the former issue.
And a set of fast algorithms including Recursive Newton-Euler Algorithm (RNEA) and Composite Rigid Body Algorithm (CRBA) for dynamics, and procedures based on classic and thin-walled beam theories for stress problem solution, is implemented in order to resolve the latter issue. A brief description is given to the program structure, modelling techniques and algorithms used. In addition the analysis of the boom of ACT 4 A machine is performed.
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