Through axial compression,the packer sealing rubber produced a large amount of deformation in the radial direction to achieve the sealing.In addition,its highly nonlinear characteristics greatly increased the difficulty of mechanical simulation.A large deformation solid model was constructed by analyzing the structure and key points of sealing rubber.On the basis of isotropic theory,the matching degree of mechanical properties of different order strain energy functions was compared.According to the nonlinear characteristics of target surface and contact surface,the finite element analysis technique of super large deformation and highly nonlinear sealing rubber were established.On the basis of giving consideration to the shoulder extrusion volume and sealing structure stability of rubber,the optimal design of chamfering effectively improve the shoulder extrusion phenomenon,thus laying a foundation for greatly shortening the research and development cycle of packer rubbers innovative structure.
参考文献
相似文献
引证文献
引用本文
郭飞,黄毅杰,宋炜,项冲,贾晓红,王玉明.封隔器胶筒力学仿真模型的建立[J].润滑与密封,2020,45(6):22-27. . Establishment of Mechanical Simulation Model for Packer Rubber[J]. Lubrication Engineering,2020,45(6):22-27.