Shock and Vibration

Research Article

A Three-Dimensional Nonlinear Dynamic Numerical Optimization of the Risks of Stope Blasting Based on FOA-GRNN

Table 8

Summary table of blasting dynamic response at the Gaussian monitoring point.


Gaussian point		Scheme 1	Scheme 2	Scheme 3	Scheme 4	Scheme 5

Y-direction velocity peak (m/s)	1	1.772e⁻²	1.765e⁻²	1.754e⁻²	1.755e⁻²	1.754e⁻²
	2	8.651e⁻³	8.643e⁻³	8.631e⁻³	8.631e⁻³	8.630e⁻³
	3	1.342e⁻²	1.333e⁻²	1.326e⁻²	1.216e⁻²	1.213e⁻²
	4	1.756e⁻²	1.747e⁻²	1.740e⁻²	1.742e⁻²	1.740e⁻²
	5	7.699e⁻³	7.695e⁻³	7.690e⁻³	7.394e⁻³	7.094e⁻³
	6	2.063e⁻²	2.059e⁻²	2.044e⁻²	2.023e⁻²	2.003e⁻²
	7	9.089e⁻³	9.085e⁻³	9.078e⁻³	9.076e⁻³	9.070e⁻³
	8	8.095e⁻³	8.088e⁻³	8.075e⁻³	9.855e⁻³	9.955e⁻³
	9	1.852e⁻²	1.841e⁻²	1.834e⁻²	1.835e⁻²	1.835e⁻²
	10	8.246e⁻³	8.238e⁻³	8.225e⁻³	8.191e⁻³	8.171e⁻³
	Average value	1.296e⁻²	1.292e⁻²	1.287e⁻²	1.289e⁻²	1.264e⁻²

Z-direction velocity peak (m/s)	1	1.049e⁻²	1.047e⁻²	1.041e⁻²	8.625e⁻³	7.625e⁻³
	2	4.758e⁻³	4.751e⁻³	4.744e⁻³	4.744e⁻³	4.743e⁻³
	3	4.879e⁻³	4.865e⁻³	4.858e⁻³	2.982e⁻³	2.711e⁻³
	4	4.282e⁻³	4.274e⁻³	4.266e⁻³	4.358e⁻³	4.658e⁻³
	5	3.651e⁻³	3.639e⁻³	3.630e⁻³	3.543e⁻³	3.417e⁻³
	6	9.342e⁻³	9.336e⁻³	9.330e⁻³	1.011e⁻²	1.035e⁻²
	7	4.867e⁻³	4.852e⁻³	4.843e⁻³	4.831e⁻³	4.830e⁻³
	8	7.876e⁻³	7.863e⁻³	7.841e⁻³	4.872e⁻³	4.460e⁻³
	9	2.787e⁻³	2.774e⁻³	2.766e⁻³	5.443e⁻³	5.432e⁻³
	10	3.786e⁻³	3.778e⁻³	3.774e⁻³	3.756e⁻³	3.748e⁻³
	Average value	5.672e⁻³	5.660e⁻³	5.646e⁻³	5.326e⁻³	5.197e⁻³

Peak pressure (MPa)	1	2.129e²	2.124e²	2.104e²	2.097e²	2.096e²
	2	1.362e²	1.353e²	1.334e²	1.337e²	1.341e²
	3	1.243e²	1.212e²	1.204e²	1.432e²	1.483e²
	4	2.431e²	2.429e²	2.422e²	2.422e²	2.422e²
	5	8.828e¹	8.821e¹	8.801e¹	7.361e¹	6.894e¹
	6	2.284e²	2.281e²	2.253e²	2.239e²	2.236e²
	7	1.075e²	1.069e²	1.054e²	1.055e²	1.057e²
	8	9.671e¹	9.662e¹	9.601e¹	9.599e¹	9.598e¹
	9	2.269e²	2.257e²	2.249e²	2.250e²	2.252e²
	10	2.248e²	2.242e²	2.231e²	2.142e²	2.126e²
	Average value	1.689e²	1.682e²	1.669e²	1.667e²	1.666e²