Numerical Investigation of Hydraulic Fracture Extension Based on the Meshless Method

Table 1

Comparison between theoretical and numerical solutions of SIF at the crack tip.

Tensile stress/MPa	Plate width/m	Plate half-length/m	Fracture length/m	Analytical solution/	Numerical solution/	Absolute error/%
1	7	16	2.5	5.2915	5.1307	3.04
1	7	16	3	6.9819	6.7824	2.86
1	7	16	3.5	9.3721	9.0838	3.08
3	16	30	3	12.1007	12.3595	2.09
3	16	30	5	20.2732	20.3796	0.52
3	16	30	7	32.819	33.3066	1.49