"phi v time
0.0000000000000	0.3981503311756
0.3000000000000	0.4024026874590
0.6000000000000	0.4017753010950
0.9000000000000	0.4004025261602
1.2000000000000	0.3986629565018
1.5000000000000	0.3957315893967
1.8000000000000	0.3908781055989
2.1000000000000	0.3838434151324
2.4000000000000	0.3746832451920
2.7000000000000	0.3634742389163
3.0000000000000	0.3501584628877