"phi v time
0.0000000000000	0.4170518542721
0.0025000000000	0.4220007184935
0.0050000000000	0.4270107682532
0.0075000000000	0.4330100743437
0.0100000000000	0.4404507498556
0.0125000000000	0.4496426335978