Computation of Dynamic Stress Intensity Factors by the Time Domain Boundary Integral Equation Method (Crack, Propagating)

Application of the direct-time-domain boundary integral equation method (BIEM) to the solution of a number of elastodynamic crack problems is presented. In addition to the usual element having constant space and time interpolation of tractions and displacements on the boundary, a new boundary element which incorporates quadratic variation in space and linear variation in time is developed. These two boundary elements are implemented in computer codes and are used in solving the examples. A consistent method of estimation of the dynamic stress intensity factor (SIF) in conjunction with the two types of element is described.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Theoretical and Applied Mechanics

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2014

Author dc:creator

• Mettu, Sambi Reddy

• Applied Mechanics

Identifier

(UMI)AAI8623370

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/71686