Challenge

Vehicle Ride 2

SSasank Sekhar Panda20 Jun 2021

	Inputs
	PARAMETER	Unit	VALUE
	TOTALWEIGHT	kg	1900
	F/R DISTRIBUTION	%	55 front	0.55
	REAR DISTRIBUTION	%	45	0.45
	UNSPRUNG MASS FRONT	kg	90
	UNSPRUNG MASS REAR	kg	60

	PARAMETER	Unit	FRONT SUSPENSION	REAR SUSPENSION
	SPRING RATE	N/mm	20	30
	SPRING RATE MR	IN/IN	0.97	0.85
	TIRE RATE	N/mm	250	250

	PARAMETER	Unit	FRONT SHOCK	REAR SHOCK
	SPRUNG MASS DAMPING RATIO		0.7	0.7
	UNSPRUNG MASS DAMPING RATIO		0.2	0.2
	SHOCK MOTION RATIO		1	1
	REBOUND/COMPRESSION RATIO (FOR ALL SPEEDS)		3	3
	KNEE SPEED (FOR COMPRESSION AND REBOUND)	mm/sec	50	50
	CALCULATED FOR USE
	TOTAL FRONT AXLE WEIGHT	Kg	1045
	TOTAL REAR AXLE WEIGHT	Kg	855
	FRONT AXLE SPRUNG MASS	Kg	955
	REAR AXLE SPRUNG MASS	Kg	795
	FRONT AXLE SPRUNG MASS PER CORNER	Kg	477.5
	REAR AXLE SPRUNG MASS PER CORNER	Kg	397.5
	UNSPRUNG MASS FRONT PER CORNER	kg	45
	UNSPRUNG MASS REAR PER CORNER	kg	30
	WHEEL RATE FOR FRONT AXLE , KWfr	N/mm	18.82
	WHEEL RATE FOR REAR AXLE , KWrr	N/mm	21.68
	RIDE RATE FOR FRONT AXLE , KRfr	N/mm	17.50
	RIDE RATE FOR FRONT AXLE , KRrr	N/mm	19.95
	EQUIVALENT RATE FOR FRONT AXLE , Keqfr	N/mm	268.82
	EQUIVALENT RATE FOR REAR AXLE , Keqrr	N/mm	271.68
OUTPUT
S.No.	PARAMETERS FOR SOLUTIONS	UNITS	FRONT AXLE	REAR AXLE
i.	Sprung mass critical damping	N/m/s	5781.55	5631.49
ii.	Unsprung mass critical damping	N/m/s	6956.09	5709.73
iii.	Sprung mass initial damping coefficient	N/m/s	4047.08	3942.04
iv.	Unsprung mass initial damping coefficient	N/m/s	1391.22	1141.95
v.	Low speed compression damping coefficient	N/m/s	2023.54	1971.02
vi.	High speed compression damping coefficient	N/m/s	695.61	570.97
vii.	Low speed rebound damping coefficient	N/m/s	6070.63	5913.06
viii.	High speed rebound damping coefficient	N/m/s	2086.83	1712.92

Vehicle Ride 2

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Ship work like thisin your own course.

Talk to a career counsellor

Ship work like this
in your own course.