Anti-roll bar optimization.xlsx

	A	B	C	E	F	G	I	J	K
1	GIVEN DATA			CALCULATION			RESULT
2	Parameter	Units	Value	Roll moment			Parameter	Units	Value
3	Sprung mass	lbs	4500	Lateral component	ft-lb/g	7241.247104	Roll moment	ft-lb/deg	7643.767
4	Sprung CG height	in	20	Gravity component	ft-lb/g	402.5194871	Roll gradient	deg/g	3.185
5	Sprung mass roll moment arm	in	19.31	Total roll moment	ft-lb/g	7643.766591	Load transfer due to roll or elastic component	lb/g	1563.676
6	Track width	in	58.66				Front roll stiffness at WC	ft-lb/deg	1988.800
7	Total front roll stiffness	ft-lb/deg	1300	Roll gradient	deg/g	3.184902746	Front anti-roll spring rate for one wheel jounce	lb/in	149.103
8	Total rear roll stiffness	ft-lb/deg	1100				Front anti-roll spring rate for roll	lb/in	74.552
9	Tire stiffness	lb/in	1500	Load transfer due to roll or elastic component	lb/g	1563.676028	Front anti-roll bar stiffness	ft-lb/deg	373.110
10				Tire rate contribution	ft-lb/deg	3753.542421	Auxiliary roll stiffness	%	70.964
11	Anti roll bar information
12	Motion ratio		0.5	Front roll stiffness at wheel centre	ft-lb/deg	1988.799992
13	Virtual torque arm (A)	in	9.2
14	Centre length (B)	in	35	Front anti-roll spring rate for one wheel jounce	lb/in	149.1030462
15	Physical torque arm (C)	in	11
16	Outer diameter	mm	30	Front anti-roll spring rate for roll	lb/in	74.55152312
17	Inner diameter	mm	10
18				Front anti-roll bar stiffness	ft-lb/deg	373.1097395
19	Outer diameter	in	1.181
20	Inner diameter	in	0.394	Front wheel rate	lb/in	230.7692308
21
22	Front ride rate	lb/in	200	Wheel rate contribution	ft-lb/deg	577.4680648
23	Rear ride rate	lb/in	250
24				Front roll bar contribution	ft-lb/deg	1411.331927
25
26				Auxilliary roll stiffness	%	70.96399501
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