SHAKEDOWN LOADS ON ROLLING DISKS, CYLINDERS AND SPHERES

The state of stress in a rolling disk subjected to various loads in the inelastic range is investigated numerically using the finite element method. Criteria for yielding and unloading during rolling are developed, and their use with the direct method and the quadratic programming technique is demonstrated. Besides the utilization of the constant strain triangular (CST) element in most of the analyses, a higher order elastic-plastic linear strain triangular (LST) element is proposed to take stress variation in a plastic element into account. In addition, a variable size finite element mesh scheme is developed for idealization of the disk. Further modifications and schemes, such as substructuring technique, are suggested. Only plane stress cases have so far been considered in this investigation. The future work should concentrate on the development of yielding and unloading criteria for plane strain and possibly for axisymmetric cases so that stress states near the points of contact in rolling cylinders and camshafts can be investigated.

  • Corporate Authors:

    Clemson University

    Department of Civil Engineering
    Clemson, SC  United States  29634

    National Science Foundation

    1800 G Street, NW
    Washington, DC  United States  20550
  • Authors:
    • ANAND, S C
  • Publication Date: 1976-12

Media Info

  • Pagination: 211 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00181214
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: CUSC/DCE-76/1 Final Rpt.
  • Contract Numbers: NSF-GK-37150
  • Files: TRIS
  • Created Date: Sep 14 1978 12:00AM