Torsion bar calculations with FEA results.xlsx

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	U	V	W
1	From CATIA				For Torsion Bar calculation
2	Material	Young's Modulus (E) [modulus of elasticity]		Poisson's ratio (n) [transverse contraction coeff.]	Modulus of Rigidity (G)		Outer Diameter (d1)			Inner Diameter (d2) (if hollow)			Length (L)			Radius (r)			Deflection angle (q)		Deflection (d)
3	Material	(psi x 106)	(MPa x 103)	Poisson's ratio (n) [transverse contraction coeff.]	(psi x 106)	(MPa x 103)	inch	m	mm	inch	m	mm	inch	m	mm	inch	m	mm	radians	degrees	inch	m	mm
4	Steel	29.0	200.0	0.266	11.5	79.0	0.984	0.025	25	0.000	0	0	39.370	1	1000	9.843	0.25	250	0.0175	1.0	0.172	0.00436332313	4.36
5					11456378	78988941548
6
7					211.48	Newtons/deg
8					47.542	Pounds/deg
9
10												F =	211.5	N
11												F =	47.547	lb
12					211.48	Newtons						inch	m	mm
13					47.542	Pounds						0.172	0.0044	4.36
14
15									Spring Rate (k)
16								Bump	Dia.	Force	straight		bent
17									mm	N	d (mm)	N/mm	d (mm)	N/mm
18									25	211.5	4.36	48.5	4.15	51.0
19									30	438.5	4.36	100.6	4.11	106.7
20									in	lb	in	lb/in	in	lb/in
21									0.984	47.55	0.980	1.9	0.163	291.0
22									1.181	98.58	0.980	4.0	0.162	609.2
23
24									Spring Rate (k)
25								Roll	Dia.	Force	straight		bent
26									mm	N	d (mm)	N/mm	d (mm)	N/mm
27									25	423	4.54	93.2	4.32	97.9
28									30	877	4.52	194.0	4.29	204.4
29									in	lb	in	lb/in	in	lb/in
30									0.984	95.09	1.021	3.7	0.170	559.1
31									1.181	197.16	1.016	7.6	0.169	1167.3
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