Kinematics and Dynamics of a Multibody System of an Oilfield Pumping Unit by Means of Finite Element Method PUBLIC ACCESS

[+] Author Affiliations
Si-zhu Zhou

Jiang Han Petroleum Institute, Hubei, China

Jacob Jen-Gwo Chen

University of Houston

Paper No. 97-AA-105, pp. V001T13A081; 7 pages
  • ASME 1997 Turbo Asia Conference
  • ASME 1997 Turbo Asia Conference
  • Singapore, September 30–October 2, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7867-5
  • Copyright © 1997 by ASME


Taking a multibody system of the oil field pumping unit into a multibody elastic system, this paper analyzes its kinematics and dynamics by means of finite element method, deduces the kinematics and dynamics function after doing the element’s and global analysis, and puts forward the procedures of this method, i.e., (1) dividing the system into elements; (2) calculating for the elements; (3) calculating the matrix of external force; (4) piling the element stiffness and mass matrixes up; and (5) solving the function. As an example, this paper illustrates the process of analyzing the multibody system of a PUMPING UNIT used in an oil field.

Copyright © 1997 by ASME
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