grid freq. [rpm],u'w' [cm2/s2]
6.45,0.016210822641605362
12.7,0.1550185823305364
20.24,0.3630750262692032
28.76,0.7818260000080002
37.94,1.287315553881359
47.47,2.257975055536196
57.04,3.1753610239173957
66.34,4.546489764885804
75.05,5.891671219526834
82.86,7.4993808430400986
89.46,7.646851479322551
94.54,9.104696096438794
97.78,9.092526816185204
98.87,8.728088807217695