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Tyre characteristics and modelling 319
Table 5.5
Spline data for Interpolation model
LATERAL FORCE (N) WITH SLIP ANGLE (DEG) AND LOAD (KG)
SPLINE/100
,X = -10,-8,-6,-4,-2,0,2,4,6,8,10
,Y = 200,2148,2050,1806,1427,867,16,-912,-1508,-1881,-2067,-2151
,Y = 400,3967,3760,3409,2727,1620,75,-1587,-2776,-3482,-3759,-3918
,Y = 600,5447,5099,4436,3385,1962,94,-1893,-3397,-4557,-5049,-5269
,Y = 800,6738,5969,4859,3533,2030,66,-1971,-3662,-5122,-6041,-6500
ALIGNING MOMENT (NM) WITH SLIP ANGLE (DEG) AND LOAD (KG)
SPLINE/200
,X = -10,-8,-6,-4,-2,0,2,4,6,8,10
,Y = 200,4.6,-0.1,-6,-11.1,-10.9,-1.3,10.6,11.2,7.9,3.2,-0.3
,Y = 400,-4.8,-19.6,-39,-52.1,-41.9,-6.7,35.8,49.1,38.6,23.4,10.1
,Y = 600,-36.5,-73.1,-102.6,-107.9,-78.7,-14.2,60.6,96.2,93.4,65.8,40.7
,Y = 800,-105.1,-181.1,-206.1,-172.4,-116.0,-3.6,79.9,143.3,172.2,141.5,98.5
LATERAL FORCE (N) WITH CAMBER ANGLE (DEG) AND LOAD (KG)
SPLINE/300
,X = -10,-8,-6,-4,-2,0,2,4,6,8,10
,Y = 100,-123.3,-96.3,-64.6,-39.3,-3,19,46,80.6,108.3,146,173.3
,Y = 200,-142.6,-106.6,-57.3,-14.6,28,78,127,169.6,212.3,255,285.6
,Y = 300,-173.6,-106.6,-44,20.6,87.6,159,223.6,291.3,344.3,393.3,443.6
,Y = 400,-194,-115.6,-31.3,53,141.6,237,319.6,396.3,468.6,526.3,579
,Y = 500,-219.6,-121.6,-17.3,91,199,304,403.3,487,572.6,651.3,717
,Y = 600,-247.6,-128.3,-9.3,109.3,234,351,453.3,557.3,651.6,734.6,829.6
,Y = 700,-278,-138.6,-3.6,126.3,254,381,499.3,616,723,827,922.6
,Y = 800,-318.6,-165,-21,128,261.3,404.0,524.3,656,780,895,1012
ALIGNING MOMENT (NM) WITH CAMBER ANGLE (DEG) AND LOAD (KG)
SPLINE/400
,X = -10,-8,-6,-4,-2,0,2,4,6,8,10
,Y = 100,-5,-5,-4.3,-2.2,-0.9,1.2,2.6,4.2,5.8,7,6.4
,Y = 200,-14.6,-13.7,-12,-9.2,-4.9,-0.9,3.6,6.7,9.6,11,11.7
,Y = 300,-24.1,-22.6,-19.6,-16.7,-11.1,-4.2,2.8,8.1,11.9,15.2,17
,Y = 400,-34.2,-31.8,-28.5,-22.9,-15.8,-8.2,-0.3,6.5,12.2,15.6,17.7
,Y = 500,-41.5,-38,-32.7,-26.5,-18.8,-10.8,-2.5,3.9,10.7,16.5,19.6
,Y = 600,-48.7,-43.6,-38,-31.6,-23.9,-15.9,-8.1,-0.4,6.4,12.1,16.8
,Y = 700,-52.5,-47.5,-40.9,-34.4,-26.6,-19.5,-11.9,-4.7,1.3,7.2,12.6
,Y = 800,-56.9,-51.3,-44.2,-37.9,-30.7,-23.9,-16.7,-10.1,-4,2.4,8.3
Table 5.6 Fiala tyre model parameters
(average wheel load)
R 1 318.5 mm R 2 97.5 mm
k z 150 N/mm C s 110 000 N
C 51 560 N/rad C 2580 N/rad
C r 0.0 mm 0.05
0 1.05 1 1.05
Table 5.7 Fiala tyre model parameters
(front wheel load)
R 1 318.5 mm R 2 97.5 mm
k z 150 N/mm C s 110 000 N
C 54 430 N/rad C 2750 N/rad
C r 0.0 mm 0.05
0 1.05 1 1.05