Numerical investigation on rock breakage patterns and stress state of disk cutter during vibrational cutting

Key Points

• Rock breakage patterns are influenced by the stress state of the disk cutter during vibrational cutting.
• Effective stress levels reached up to 90 MPa, showcasing significant patterns in rock fragmentation.
• Numerical investigation reveals how the cutter's vibration impacts rock breakage efficiency and cutter performance.
• Understanding these dynamics may help optimize vibrational cutting strategies in mining and construction.