The unit of Force and Moment in Opensim (Hand Model)

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Khalid Alharbi
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The unit of Force and Moment in Opensim (Hand Model)

Post by Khalid Alharbi » Mon Oct 01, 2018 5:46 am

Hello,

I have plot Force versus MCP2 joint in Hand Model than got forces with values around 70! is that in Newton
because it seems unreal? has anyone any idea of the force unit in openSim?

also I've Plot Moment and want to know is the unit in N/m or in N/cm?

please I need help, any help is appreciated
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MCP2_F.png
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MCP2_M.png
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OpenSim 4.0
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jimmy d
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Re: The unit of Force and Moment in Opensim (Hand Model)

Post by jimmy d » Mon Oct 01, 2018 5:53 am

OpenSim uses Newtons and Newton Meters
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Khalid Alharbi
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Re: The unit of Force and Moment in Opensim (Hand Model)

Post by Khalid Alharbi » Mon Oct 01, 2018 9:19 am

Thank you,
but isnt a lil bit weird that Force in finger muscles reach 70 Newton? :?: :|
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jimmy d
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Re: The unit of Force and Moment in Opensim (Hand Model)

Post by jimmy d » Mon Oct 01, 2018 9:25 am

Sure, I guess. I have no idea how you are building the model, or how you are applying forces to it. If you feel your model and simulation are generating really high forces, that is for you to figure out why.
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