#phi v time
0.0000000000000	0.0667033568327
0.0025000000000	0.0716027952902
0.0050000000000	0.0745894805878
0.0075000000000	0.0818169214792
0.0100000000000	0.0888620548657
0.0125000000000	0.0936141991360