Search found 7 matches

by Sarah Wohlman
Wed Apr 16, 2014 2:27 pm
Forum: OpenSim
Topic: Getting Matlab OpenSim interface to work
Replies: 10
Views: 3268

Re: Getting Matlab OpenSim interface to work

I was previously using 3.1 so that is why I didn't use the automated setup script. But when I tried the automated setup script with 3.2, it worked.

I'm able to run most of the example scripts except for TugOfWar_CompleteRunVisualize.m, I'm still getting an error with the visualizer.
by Sarah Wohlman
Wed Apr 16, 2014 12:21 pm
Forum: OpenSim
Topic: Getting Matlab OpenSim interface to work
Replies: 10
Views: 3268

Getting Matlab OpenSim interface to work

I followed the instructions from: http://simtk-confluence.stanford.edu:8080/display/OpenSim/Scripting+with+Matlab#ScriptingwithMatlab-ManualSetup but when I run one of the example scripts, I get a Java error. Java exception occurred: java.lang.NoClassDefFoundError: Could not initialize class org.ope...
by Sarah Wohlman
Wed Sep 25, 2013 12:59 pm
Forum: OpenSim
Topic: CMC and Forward Simulations
Replies: 2
Views: 756

Re: CMC and Forward Simulations

Thanks for the advice. I'm not actually doing gait simulations so there are no GRFs.
by Sarah Wohlman
Thu Sep 19, 2013 8:41 am
Forum: OpenSim
Topic: CMC and Forward Simulations
Replies: 2
Views: 756

CMC and Forward Simulations

Hi,

I am able to run computed muscle control simulations through the command line but when I use the resulting controls file in a forward simulation, I do not get the tracked kinematics as my output. Any thoughts on why?

Thanks,

Sarah
by Sarah Wohlman
Thu Jun 06, 2013 8:51 am
Forum: OpenSim
Topic: Force reporter reference frames
Replies: 0
Views: 346

Force reporter reference frames

Hi, I want to measure thumbtip forces so I put a point constraint at the thumbtip then running forward simulations with the force reporter to get the forces on the constraint. In the force reporter I get 2 equal and opposite forces reported, one for body 1 (EndEffectorConstraint_distal_thumb_Fx) and...
by Sarah Wohlman
Mon Apr 22, 2013 2:08 pm
Forum: OpenSim
Topic: Millard Muscle Model
Replies: 1
Views: 500

Millard Muscle Model

Hi,

I was looking to use the Millard damped equilibrium muscle model. Is that available in OpenSim 3.0 or 3.1? If not, can you direct me to where I can find documentation on how to implement it?

Thanks,
Sarah
by Sarah Wohlman
Wed Jun 13, 2012 11:02 am
Forum: OpenSim
Topic: Setting step-size in forward dynamic simulations
Replies: 0
Views: 317

Setting step-size in forward dynamic simulations

I have been trying to run 1 second forward dynamic simulations. With the default step-size settings (0.00000001), the simulation stops and the output file only indicates the simulation got to 0.05 seconds. This file is 666,000 KB. I've tried this a few times and it seems that all the simulations end...