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Rigid-Flexible Coupling Dynamics Modeling of Spatial Crank-Slider Mechanism Based on Absolute Node Coordinate Formulation

Author

Listed:
  • Xiaoyu Wang

    (School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China)

  • Haofeng Wang

    (School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China)

  • Jingchao Zhao

    (School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China)

  • Chunyang Xu

    (AECC Shenyang Engine Research Institute, Shenyang 110015, China)

  • Zhong Luo

    (School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China)

  • Qingkai Han

    (School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China)

Abstract

In order to study the influence of compliance parts on spatial multibody systems, a rigid-flexible coupling dynamic equation of a spatial crank-slider mechanism is established based on the finite element method. Specifically, absolute node coordinate formulation (ANCF) is used to formulate a three-dimensional, two-node flexible cable element. The rigid-flexible coupling dynamic equation of the mechanism is derived by the Lagrange multiplier method and solved by the generalized α method and Newton–Raphson iteration method combined. Comparison of the kinematics and dynamics response between rigid-flexible coupling system and pure rigid system implies that the flexible part causes a certain degree of nonlinearity and reduces the reaction forces of joints. The elastic modulus of the flexible part is also important to the dynamics of the rigid-flexible multibody system. With smaller elastic modulus, the motion accuracy and reaction forces become lower.

Suggested Citation

  • Xiaoyu Wang & Haofeng Wang & Jingchao Zhao & Chunyang Xu & Zhong Luo & Qingkai Han, 2022. "Rigid-Flexible Coupling Dynamics Modeling of Spatial Crank-Slider Mechanism Based on Absolute Node Coordinate Formulation," Mathematics, MDPI, vol. 10(6), pages 1-13, March.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:6:p:881-:d:768105
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