STIFFNESS DERIVATIVE FINITE ELEMENT TECHNIQUE FOR DETERMINATION OF CRACK TIP STRESS INTENSITY FACTORS

A finite element technique for determination of elastic crack tip stress intensity factors is presented. The method, based on the energy release rate, requires no special crack tip elements. Further, the solution for only a single crack length is required, and the crack is "advanced" by moving nodal points rather than by removing nodal tractions at the crack tip and performing a second analysis. The promising straightforward extension of the method to general three-dimensional crack configurations is presented and contrasted with the practical impossibility of conventional energy methods.

  • Availability:
  • Corporate Authors:

    Wolters-Noordhoff N.V.

    Oude Boteringe Strasse 22
    8001 Groninger,   Netherlands 
  • Authors:
    • Parks, D M
  • Publication Date: 1974-12

Media Info

  • Features: References;
  • Pagination: p. 487-502
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00084882
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: May 19 1975 12:00AM