PSI - Issue 68

Monisha Manjunatha et al. / Procedia Structural Integrity 68 (2025) 1223–1229 Monisha Manjunatha et al/ Structural Integrity Procedia 00 (2025) 000–000

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a)

b)

Fig.3. (a) Front face and back compliance setup mesh density; (b) Force and displacement boundary conditions

4. Results and discussion The plot comparing the crack length vs number of cycles recorded from the compliance method and numerical analysis for steel Grade 1 is shown in Figure 4 which used the load shedding technique. The simulation of stepped loading was done manually in ANSYS.

Cycles vs Crack length 'a' from CMOD,BFS &ANSYS

0,03

0,025

9kN CMOD 7kN CMOD 5kN CMOD 9kN BFS MC 7kN BFS MC 5kN BFS MC 9kN ANSYS 7kN ANSYS 5kN Ansys

0,02

0,015

0,01

0,005 Crack length ' a ' (m) from Ansys, CMOD & BFS

0

0

50000

100000

150000

200000

250000

Cycles

Figure 4. Plot comparing the crack length vs cycles for Grade 1CT sample.