Static Optimization and CMC questions

Provide easy-to-use, extensible software for modeling, simulating, controlling, and analyzing the neuromusculoskeletal system.
POST REPLY
User avatar
Gaurav Mukherjee
Posts: 2
Joined: Fri Feb 24, 2012 11:51 am

Static Optimization and CMC questions

Post by Gaurav Mukherjee » Tue Jun 04, 2013 11:11 am

Hello,

I am trying to execute a Static Optimization for a squat motion. I am using the 2354 model, which I have run through the RRA process. I am using the 'kinematics_q' file as the desired kinematics.

The message window while Static Optimization is running, shows the performance and constraint violation values at each time step. Could somebody please elaborate on what these represent? I see 18.xxx values for the performance and e-12 range values for the constraint violations.

The residual forces and moments post RRA are as shown in the attached plot.
residual_forces.png
Residual Forces and moments vs time
The Fy value deviates the maximum. I think this is because of the squat motion, where for my data (+Y) is the vertically upward direction. What bearing will this have on Static Optimization and CMC?

Thank you for your help!

-Gaurav

POST REPLY