PH_phip_blast wave model,
phi_p,PH(%)
0,0.372272012
Pi/36,0.370071901
Pi/18,0.36353842
Pi/12,0.352870083
Pi/9,0.338391044
(5*Pi)/36,0.320541239
Pi/6,0.299863027
(7*Pi)/36,0.276984706
(2*Pi)/9,0.252601422
Pi/4,0.227454046
(5*Pi)/18,0.20230667
(11*Pi)/36,0.177923385
Pi/3,0.155045063
(13*Pi)/36,0.134366852
(7*Pi)/18,0.116517048
(5*Pi)/12,0.102038009
(4*Pi)/9,0.091369672
(17*Pi)/36,0.084836191
Pi/2,0.08263608