Opening and Mixed Mode Fatigue Crack Growth Simulation Under Random Loading

2007 ◽  
pp. 213-214
Author(s):  
P. C. Gope ◽  
S. P. Sharma ◽  
B. Kumar
Keyword(s):  
Fatigue Crack ◽  
Fatigue Crack Growth ◽  
Crack Growth ◽  
Mixed Mode ◽  
Random Loading ◽  
Growth Simulation ◽  
Crack Growth Simulation

Fatigue Crack Growth Simulation by Using S-Version FEM

2008 ◽  
Vol 385-387 ◽  
pp. 761-764
Author(s):  
Masanori Kikuchi ◽  
Yoshitaka Wada ◽  
Maigefeireti ◽  
Y. Li
Keyword(s):  
Fatigue Crack ◽  
Fatigue Crack Growth ◽  
Crack Growth ◽  
Mixed Mode ◽  
Crack Path ◽  
Loading Conditions ◽  
Mixed Mode Loading ◽  
Growth Simulation ◽  
Crack Growth Simulation ◽  
Curved Crack

Fatigue crack growth under mixed mode loading conditions is simulated using S-version FEM (Superposition FEM, S-FEM). By using S-FEM technique, only local mesh should be re-meshed and it becomes easy to simulate crack growth. By combining with re-meshing technique, local mesh is re-meshed automatically, and curved crack path is modeled easily.

scholarly journals Accelerated fatigue crack growth simulation in a bimaterial interface

2011 ◽  
Vol 33 (12) ◽  
pp. 1526-1532 ◽  
Author(s):  
R. Moslemian ◽  
A.M. Karlsson ◽  
C. Berggreen
Keyword(s):  
Fatigue Crack ◽  
Fatigue Crack Growth ◽  
Crack Growth ◽  
Bimaterial Interface ◽  
Growth Simulation ◽  
Crack Growth Simulation

Fatigue Crack Growth Analysis of Interacting Subsurface Cracks Using S-Version FEM

2016 ◽  
Author(s):  
Ayaka Suzuki ◽  
Akiyuki Takahashi ◽  
Masanori Kikuchi
Keyword(s):  
Fatigue Crack ◽  
Fatigue Crack Growth ◽  
Crack Growth ◽  
Fem Simulation ◽  
Crack Growth Behavior ◽  
Surface Cracks ◽  
Direct Simulation ◽  
Growth Simulation ◽  
Subsurface Cracks ◽  
Crack Growth Simulation

Fatigue crack growth simulation using the s-version finite element method (FEM) is presented. Two subsurface cracks are aligned in the depth direction of a specimen, and is subjected to a cyclic tension-tension loading. The fatigue crack growth behavior of the cracks is directly simulated using our automatic fatigue crack growth simulation system with the s-version FEM. Along with the direct simulation, proximity rules for crack combinations and surface cracks are used in the s-version FEM simulation. The numerical results with and without the application of the proximity rules are compared to make a validation of the application of the proximity rules in the evaluation of fatigue crack growth behaviors and residual fatigue life. The results clearly illustrate that the proximity rules accelerate the fatigue crack growth rate, and provide us with a substantially conservative evaluation. Finally, the proximity rules are slightly modified for making better approximation of combining and surface cracks. It can be found that the new proximity rules are able to give a fatigue crack growth evaluation closer to the direct simulation results.

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