Example Differential Property File
The following shows the architecture of a Differential Property File (*.dif) for modeling a viscous limited-slip differential in Adams Car. These property files may be referenced by a
General Splines and are used to model torque vs. angular velocity.
$---------------------------------------------------------MDI_HEADER
[MDI_HEADER]
FILE_TYPE = 'dif'
FILE_VERSION = 1.0
FILE_FORMAT = 'ASCII'
$--------------------------------------------------------------UNITS
[UNITS]
(BASE)
{length force angle mass time}
'meter' 'newton' 'degrees' 'kg' 'sec'
(USER)
{unit_type length force angle mass time conversion}
'rpm' 0 0 1 0 -1 6.0
$
$-------------------------------------------------------DIFFERENTIAL
[DIFFERENTIAL]
(XY_DATA)
{slip_speed<rpm> torque <torque>}
-90 -4644.00
-85 -3644.00
-80 -2644.00
-75 -1644.00
-71 -844.00
-69 -624.00
-65 -544.00
-60 -444.00
-55 -344.00
-50 -244.00
-45 -144.00
-41 -64.00
-39 -42.00
-35 -34.00
-30 -24.00
-25 -14.00
-21 -6.00
-19 -3.80
-15 -3.00
-10 -2.00
-5 -1.00
0 0.00
5 1.00
10 2.00
15 3.00
19 3.80
21 6.00
25 14.00
30 24.00
35 34.00
39 42.00
41 64.00
45 144.00
50 244.00
55 344.00
60 444.00
65 544.00
69 624.00
71 844.00
75 1644.00
80 2644.00
85 3644.00
90 4644.00