Numerical simulation of high-pressure rock tensile fracture experiments: Evidence of an increase in fracture energy with pressure?

Keyphrases

• Tensile Fracture 100%
• High-pressure Rocks 100%
• Fracture Experiment 100%
• Confining Pressure 83%
• Crack Tip 50%
• Tensile Fracture Energy 33%
• Compact Tension Test 33%
• Tension Stiffening 16%
• Fracture Test 16%
• Inelastic Deformation 16%
• Cylinder Test 16%
• High Confining Pressure 16%
• Critical Crack Opening Displacement 16%
• Miniature Specimen 16%
• Load Distribution 16%
• Softening Model 16%
• Pressure Sensitivity 16%
• Crack Size 16%
• Thick-walled Cylinder 16%
• Ambient Stress 16%
• Specimen Size 16%
• Fracture Process Zone 16%

Engineering

• Tensiles 100%
• Confining Pressure 75%
• Crack Tip 37%
• Crack Size 12%
• Softening Model 12%
• Process Zone 12%
• Critical Crack Opening Displacement 12%

Earth and Planetary Sciences

• Confining Pressure 100%
• Crack Tip 50%
• Indiana 33%
• Tensile Strength 16%
• Crack Opening Displacement 16%