Accession Number : ADA108267


Title :   Determining Crack Tip Field Parameters for Elastic-Plastic Materials via an Estimation Scheme


Descriptive Note : Interim rept. Nov 1979-Nov 1980


Corporate Author : DAYTON UNIV OH RESEARCH INST


Personal Author(s) : Weerasooriya, T ; Gallagher, J P


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a108267.pdf


Report Date : Jul 1981


Pagination or Media Count : 82


Abstract : This report reviews the theoretical basis of an estimation scheme which appeared in the literature. A computer program was written for estimating the elastic-plastic fracture mechanics parameters for five different crack geometries. The parameters evaluated are J-integral, load-line displacement, and crack mouth opening displacement. Included in the report are the program listing and an example of an input and output.


Descriptors :   *POLYMERS , *CRACKS , *CRACK PROPAGATION , PLASTIC DEFORMATION , STRESS STRAIN RELATIONS , INTEGRALS , TABLES(DATA) , LINEAR ALGEBRAIC EQUATIONS , HARDENING , ESTIMATES , MODULUS OF ELASTICITY , DISPLACEMENT , COMPUTER PROGRAMS , PARAMETERS


Subject Categories : Plastics
      Numerical Mathematics
      Computer Programming and Software
      Mechanics


Distribution Statement : APPROVED FOR PUBLIC RELEASE