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shock absorber

Journal of Mechanics (1)

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Study on an Improved Shock Absorber Used in the Oil Test Pipe Under Impact Load
Y. X. Wang, Z. J. Cui, H. P. Hu, C. C. Yin, C. Y. Chen
Journal:

Journal of Mechanics / Volume 24 / Issue 2 / June 2008

Published online by Cambridge University Press:

05 May 2011, pp. 127-135

Print publication:

June 2008
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Performance of an improved shock absorber designed for absorbing and isolating the oil test pipe vibration is researched in this paper. 3D finite element model is established for the analysis of the shock absorber system accurately by the FEA software ANSYS/LS-DYNA. Numerical simulations show that the effect of the shock absorber can be greatly improved by optimizing the plastic material parameter. In the practice petroleum well test, the new designed shock absorber showed good shock absorption effect and no damage on the detecting instruments was observed even after ten times loading.