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GRF-sensor

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Author: mori-d

Group: Default

Filesize: 17.26 kB

Date added: 2019-02-15

Rating: 5.5

Downloads: 639

Views: 497

Comments: 4

Ratings: 2

Times favored: 0

Made with: Algodoo v2.1.0

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A GRF (Ground Reaction Force) sensor.
Last edited at 2019/02/16 06:30:58 by mori-d
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mori-d
2019/02/15 16:50:25
fixed: mass of circle. The "area" property is broken when reload the scene. Hmm...
Xray
2019/02/15 18:05:02
What does this do, and how does it work? Please explain.
mori-d
2019/02/15 18:54:43
GRF = dotProduct((f+mg),n)
where
GRF: ground reaction force
f: The force vector applied to hinge(s)
mg: The gravity force vector of circle(s)
n: The Normal vector of the floor

Using hinge property "totImp3" to get force applied to hinge.
totImp3 * Sim.frequency == [fx,fy,torque]
thus
f = (totImp3 * Sim.frequency)([0,1])

See also:
http://www.algodoo.com/forum/viewtopic.php?f=13&t=10984&start=0
Last edited at 2019/02/15 19:14:41 by mori-d
s_noonan
2019/02/16 10:54:16
Nice coding and demonstration. Check "Improve arrow stability" or increase sim.frequency for more stable or accurate force values.