Fracture Analysis of Compacted Clay Soil Beams with Offset Notches Based on Three-Point Bending Test: Experimental Characterization and Numerical Simulation

Table 4

Comparison of XFEM and FDEM with the experimental test.

Offset ratio	C = 0		C = 0.375		C = 0.625
	Load (N)	Displacement (mm)	Load (N)	Displacement (mm)	Load (N)	Displacement (mm)
Experiment	Fmave = 18.15	Dave = 0.85	Fmave = 32.33	Dave = 1.24	Fmave = 63.40	Dave = 2.18
XFEM	Fmax = 19.26	D = 0.72	Fmax = 36.86	D = 1.09	Fmax = 72.12	D = 1.63
Error-XFEM	6.12%	15.29%	14.01%	12.10%	13.75%	25.23%
FDEM	Fmax = 18.32	D = 0.83	Fmax = 31.66	D = 1.35	Fmax = 65.15	D = 1.76
Error-FDEM	0.94%	2.35%	2.07%	8.87%	2.76%	19.27%