Analysis of the Stress Wave Effect During Rock Breakage by Pulsating Jets

Formation, propagation and attenuation of stress waves during rock breakage by pulsating jets are simulated by introducing the Johnson–Holmquist-Concrete nonlinear constitutive model, and using the smoothed particle hydrodynamics approach. The curve of stress over time at different locations of the rock surface under the action of high-velocity pulsating jets is obtained, as well as relationship curve between amplitude of stress wave and...