Search found 56 matches

by Axel Koussou
Mon Mar 28, 2022 1:20 am
Forum: OpenSim
Topic: Active Fiber Force when Activation set to 0
Replies: 6
Views: 874

Re: Active Fiber Force when Activation set to 0

Hi Najoua, Thank you for your return. Indeed, it helped me. Actually, I am using a Millard muscle(I should have precised that the Rajagopal mode uses Millard Muscles in my first post), and with this kind of muscles minimal activation can be set to 0. Nevertheless, in the Rajagopal model, minimal act...
by Axel Koussou
Fri Mar 11, 2022 5:20 am
Forum: OpenSim
Topic: Visualizer / MatLab Api
Replies: 7
Views: 1126

Re: Visualizer / MatLab Api

Dear OpenSim experts, Since I did not have a complete answer, I take the liberty to re-open this question. Is there anyone who can explain me how I can manage to visualize a model that I animate with pre-calculated gait angle values (.mot files). As explained in my first post, I have trouble closing...
by Axel Koussou
Fri Mar 11, 2022 5:13 am
Forum: OpenSim
Topic: Active Fiber Force when Activation set to 0
Replies: 6
Views: 874

Re: Active Fiber Force when Activation set to 0

Dear OpenSim Experts, I take the liberty to re-open this question since I did not have a complete answer. As a reminder, I'm interesting in getting the passive moment of the joint in function of the joint angle. For instance, for the ankle, I plot the relation between the ankle moment and the ankle ...
by Axel Koussou
Fri Feb 25, 2022 9:25 am
Forum: OpenSim
Topic: Visualizer / MatLab Api
Replies: 7
Views: 1126

Re: Visualizer / MatLab Api

Hi Alessia,

I am sorry but the line :

vis = VisualizerUtilities();

does not work on my MatLab. So I can not help you.

I hope you will find an answer.

Regards.
by Axel Koussou
Thu Feb 17, 2022 12:52 am
Forum: OpenSim
Topic: Visualizer / MatLab Api
Replies: 7
Views: 1126

Re: Visualizer / MatLab Api

Dear Alessia, Thank you for your answer, and sorry for my late response. I am not an OpenSim expert either ! osim.VisualizerUtilities.showMotion does not work for me. I do not know why. It seems that the VisualizerUtilities class is not known in MatLab. Do you know if it is specific to Python or am ...
by Axel Koussou
Tue Feb 08, 2022 5:43 am
Forum: OpenSim
Topic: Visualizer / MatLab Api
Replies: 7
Views: 1126

Re: Visualizer / MatLab Api

Dear OpenSim experts,

Since I have not get any answer, I take the liberty to refresh this post.

Thanks in advance,

Regards
by Axel Koussou
Tue Feb 01, 2022 9:44 am
Forum: OpenSim
Topic: Visualizer / MatLab Api
Replies: 7
Views: 1126

Visualizer / MatLab Api

Dear OpenSim experts, I have developed a MatLab API program to animate a model with pre-calculated gait angle values (.mot files) and I would like to use the visualizer to check that the model's movement is correct : model.setUseVisualizer(true); state=model.initSystem(); model.updVisualizer().updSi...
by Axel Koussou
Mon Dec 27, 2021 12:25 am
Forum: OpenSim
Topic: Components of the equations in the Forward Dynamics problem
Replies: 1
Views: 409

Re: Components of the equations in the Forward Dynamics problem

Hi,

This article : https://www.mov-sport-sciences.org/arti ... 20026.html and those to which it refers might give you some informations.

Hope this helps,

Regards
by Axel Koussou
Tue Dec 07, 2021 11:50 pm
Forum: OpenSim
Topic: Clone and move wrap object in Matlab API
Replies: 5
Views: 764

Re: Clone and move wrap object in Matlab API

Hi Delyle, Below is a snippet of a code I use on MatLab, with OpenSim 4.1, to modify translation and rotation of a wrapping object. I hope it will help you and you will find a way to adapt it to OpenSim 3.3. % body of interest cur_body = osimModel.getBodySet().get(aSegmentName); % current wrapping s...
by Axel Koussou
Wed Dec 01, 2021 4:42 am
Forum: OpenSim
Topic: gaslat & gasmed unexpected wrapping behavior and moment arms in OpenSim 4.0
Replies: 3
Views: 579

Re: gaslat & gasmed unexpected wrapping behavior and moment arms in OpenSim 4.0

Hi Ke,

I am using OpenSim 4.1 and just as you, I am also seeing a non-zero moment arm for the gastrocnemius-tendon units for hip flexion movement.

Thus, I would like to know if you found what causes this oddness?

Thanks in advance,

Regards