Optimization and Experimental Research on FOPS of Engineering Vehicle Cab

Jin Xin Chen; Jun Xun Zhang; Zai Xiang Zheng; Xue Dong Qi

doi:10.4028/www.scientific.net/AMM.621.187

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 621Optimization and Experimental Research on FOPS of...

Optimization and Experimental Research on FOPS of Engineering Vehicle Cab

Abstract:

The engineering vehicle cab FOPS (falling-object protective structures) mainly contain two parts: top guard and front guard. According to the characteristics of the engineering vehicle cab security architectures, the simulation that top guard is impacted by the falling hammer is made by non-linear analysis software – LS-DYNA. The breakage phenomenon is also researched. The stiffness of the top guard is so weak that the hammer’s displacement is too large, which leads to the impact resistance of top guard is unqualified. Based on this, the cause of the stiffness insufficient is researched. By orthogonal experimental design for the dominant factors, it makes the simulation performance of the top guard meet the requirements of the national standard. On this basis, the simulation mechanical bearing capacity of the front guard is done by LS-DYNA, while the experimental research is also accomplished. By contrasting the result of simulation and experiment, it turns that simulative result coincides with the experimental well.

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Periodical:

Applied Mechanics and Materials (Volume 621)

Pages:

187-194

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.621.187

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Online since:

August 2014

Authors:

Jin Xin Chen*, Jun Xun Zhang, Zai Xiang Zheng, Xue Dong Qi

Keywords:

Engineering Vehicle, FOPS, Non-Linear Finite Element Analysis, Structure Optimization

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* - Corresponding Author

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