Search found 89 matches

by Andrea Morelli
Wed Jul 04, 2018 6:27 am
Forum: OpenSim
Topic: RRA analisys in a lateral drop jump
Replies: 1
Views: 346

RRA analisys in a lateral drop jump

I'm studying a drop jump and a lateral drop jump. RRA during a "simple" drop jump seems to give very "good" data. I'm also doing the RRA during the lateral drop jump but I can't improve the analysis. This is the results: ************************************************************ * Summary of Mass ...
by Andrea Morelli
Wed May 02, 2018 9:06 am
Forum: OpenSim
Topic: Ligament wrapping visualisation
Replies: 5
Views: 889

Re: Ligament wrapping visualisation

OK, thank you.
I'm working on a complete model I fid under the project and check how is done.

Thank you
Andrea
by Andrea Morelli
Wed May 02, 2018 8:18 am
Forum: OpenSim
Topic: Lower limb model with knee abduction angle
Replies: 9
Views: 2310

Re: Lower limb model with knee abduction angle

Hi Josh. Thank you for your answer. I will check the paper you posted. I see the paper point to a knee model with ligaments and different DOF. I'm not a biomedical engineer and is not easy to work on it myself. I will check If I can extract some info and if is possible to perform CMC and/or FORWARD ...
by Andrea Morelli
Wed Apr 18, 2018 6:56 am
Forum: OpenSim
Topic: Ligament wrapping visualisation
Replies: 5
Views: 889

Re: Ligament wrapping visualisation

Hi James. Very interesting and useful. I try to insert the ligaments like you have show with MCL and LCL (medial an lateral collateral ligaments). Could be useful to add also the ACL/PCL (anterior and posterior cruciate ligament). I need to specify a force value ? Where I can find the exact position...
by Andrea Morelli
Wed Apr 18, 2018 1:48 am
Forum: OpenSim
Topic: Lower limb model with knee abduction angle
Replies: 9
Views: 2310

Re: Lower limb model with knee abduction angle

Hi Josh, thank you for your reply.
Yes, I was thinking about the stability of the joint. How to insert ligament or contact point ?
There's any example somewhere ?

Thank you
Andrea
by Andrea Morelli
Tue Apr 17, 2018 6:33 am
Forum: OpenSim
Topic: Lower limb model with knee abduction angle
Replies: 9
Views: 2310

Re: Lower limb model with knee abduction angle

HI all. I did modify the ToyDropLanding model to add valgus/varus knee angle (tibia adduction/abduction) following the indication in the post and looking at the hip_adduction angle. Seems thug everything works fine. In this manner I added a DOF to the knee... but why to add an actuator ? There's no ...
by Andrea Morelli
Fri Nov 09, 2012 3:18 pm
Forum: OpenSim
Topic: scaling problem...
Replies: 13
Views: 2163

Re: scaling problem...

OK, thank you Aymanh I will.

Andrea
by Andrea Morelli
Wed Nov 07, 2012 7:55 am
Forum: OpenSim
Topic: scaling problem...
Replies: 13
Views: 2163

Re: scaling problem...

update....

I find a trick... after first scale if you close the scale panel and do another scaling from scratch on the model the error is not there...

Andrea
by Andrea Morelli
Wed Nov 07, 2012 5:03 am
Forum: OpenSim
Topic: scaling problem...
Replies: 13
Views: 2163

Re: scaling problem...

this is the java error... java.lang.RuntimeException: SimTK Exception thrown at Xml.cpp:77: Error detected by Simbody method Xml::writeToFile(): Failed to write to the Xml file 'C:\MyOpenSimModel\Davis\bici\C:\MyOpenSimModel\Davis\bici\Unassigned' with error ' (line=1, col=1)'. (Required condition '...
by Andrea Morelli
Wed Nov 07, 2012 12:51 am
Forum: OpenSim
Topic: scaling problem...
Replies: 13
Views: 2163

Re: scaling problem...

This is another example...
After 1st scaling I deactivate the "Preview static pose" mark... RUN and have had the error.
Andrea

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Schermata 2012-11-07 alle 08.46.38.png
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