Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.
Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.
Applying boundary load over specified length
Posted 10 mars 2014, 23:01 UTC−4 Structural Mechanics Version 4.3b 2 Replies
Please login with a confirmed email address before reporting spam
Hi guys,
I have applied a force over an elastic domain to cause deformation. However, I do not want the force to be applied over the whole domain. Rather, I want to only apply the force over the first 3/10 of the length. How would I specify this?
Thanks
I have applied a force over an elastic domain to cause deformation. However, I do not want the force to be applied over the whole domain. Rather, I want to only apply the force over the first 3/10 of the length. How would I specify this?
Thanks
2 Replies Last Post 12 mars 2014, 14:36 UTC−4
Please login with a confirmed email address before reporting spam
Posted:
1 decade ago
Hi,
There are a couple of ways you can do this (examples below are for a force along a boundary in 2D):
- Add a couple of points to the geometry along the boundary where you want to apply the force. COMSOL then creates a separate boundary segment between those points, which you can select as the boundary to apply the force to.
- Use a Boolean expression to apply a force along only part of the boundary, such as
Force*(x>0 && x<0.3)
if the boundary is oriented in the x direction, and Force is the applied force (a value, expression, or parameter). That force then is nonzero only where x > 0 and < 0.3.
Best regards,
Magnus Ringh, COMSOL
There are a couple of ways you can do this (examples below are for a force along a boundary in 2D):
- Add a couple of points to the geometry along the boundary where you want to apply the force. COMSOL then creates a separate boundary segment between those points, which you can select as the boundary to apply the force to.
- Use a Boolean expression to apply a force along only part of the boundary, such as
Force*(x>0 && x<0.3)
if the boundary is oriented in the x direction, and Force is the applied force (a value, expression, or parameter). That force then is nonzero only where x > 0 and < 0.3.
Best regards,
Magnus Ringh, COMSOL
Please login with a confirmed email address before reporting spam
Posted:
1 decade ago
Hello Magnus,
Thank you very much for the help!!! It worked out perfectly
Best,
Aaron
Thank you very much for the help!!! It worked out perfectly
Best,
Aaron