The Finite Element Analysis of Derrick of Coal-Bed Methane Rigs
2012
Using the finite element analysis software ANSYS established derrick model of CBM drilling rig car and calculated its static strength and model analysis. The maximum Mises stress and the weakest position of derrick was determined and given its four bands of natural frequencies and corresponding vibration model. The conclusion can be gotten from calculation results that the structure of derrick meet the requirements of design.
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