3. FE analysis
The analyses were conducted by using ABAQUS Standard 6.13. Twenty-node iso-parametric quadratic brick
elements with reduced integration (C3D20R) were used. To analyze the failure behavior under dynamic loading
condition, dynamic option were selected. Fig. 4 (a) illustrates a typical FE mesh for a CT specimen, circumference
cracked pipe. The crack-tip mesh was presented in Fig. 4 (b). And Fig.5 shows FE result compare with experiment
result.
(