A Fluid-Solid-Magnetic Coupling Algorithm of Internal Crack Growth in the Weld of Oil and Gas Pipelines

Table 5

Energy release rate without considering the fluid osmotic pressure.

Load step	46	47	48	50	52	53	54	56	58	60	62	64
/ MPa	12.3534	12.6534	12.8034	13.1634	13.7187	13.9875	14.2563	14.5641	14.6475	14.6682	14.6748	14.6808
/mm	0	0	0.2379	0.2386	0.2423	0.4752	0.7203	1.1057	1.5931	2.0841	2.5797	3.0009
/(N/mm)	58.6370	62.8003	66.7977	70.4482	71.7652	79.6551	85.4112	144.3927	246.5883	417.5344	691.5061	1114.8356