Different stiffness for compression and tension

Replies to This Discussion

Permalink Reply by wannes lernout on May 26, 2011 at 3:14am

Ownwindow,

 

Do you mean, assign to the same curve a tension force and a compression force? Or assign one curve with a tension force and another curve wit a compression force?

 

Both are possible, but the first is maybe a strange way to assign a force (but who am i to judge), cause for instance, if you'd assign a stifness of -1 and a stiffnes of +1 to the same curve, both forces would balance each other out. 

 

Good luck,

 

wannes

Permalink Reply by OwnWindow on May 26, 2011 at 4:05am

Hello Wannes,

 

I would like to define two stiffnesses for one element. One for when it is under compression and one for when it is in tension.

 

Like a rope or a cable. It has for tension a certain stiffness, but for compression it has none.

Permalink Reply by wannes lernout on May 26, 2011 at 7:11am

HEy Ownwindow,

 

Oke, I hope this is what you where looking for (see attachments). 

 

Good luck

 

wannes

Attachments:

• ownwindow.3dm, 27 KB
• ownwindow.ghx, 212 KB

Permalink Reply by OwnWindow on May 26, 2011 at 2:26pm

Thx Wannes,

 

This is nice. I'll experiment with it.

 

I think it is less convenient that an element should be devided. It would be easier if it would be one element.