"phi v time
0.0000000000000	0.1037815724164
0.3000000000000	0.1037827000951
0.6000000000000	0.1037834154498
0.9000000000000	0.1037847506873
1.2000000000000	0.1037860255446
1.5000000000000	0.1037872546828