"phi v time
0.0000000000000	0.3981503311756
0.3000000000000	0.4062338987340
0.6000000000000	0.4085282073706
0.9000000000000	0.4131803092875
1.2000000000000	0.4192297830242
1.5000000000000	0.4257715598902
1.8000000000000	0.4322178043406
2.1000000000000	0.4383179662876
2.4000000000000	0.4439836085911
2.7000000000000	0.4490792835481
3.0000000000000	0.4533289073011