几何尺寸与公差论坛

 找回密码
 注册
查看: 435|回复: 0

modeling semi-ridgid connections

[复制链接]
发表于 2009-9-10 14:34:58 | 显示全部楼层 |阅读模式
modeling semi-ridgid connections
what is the best way to model a semi-rigid connection with an fe program.  most of the ones i've used don't have this as an option.  we are looking at the sway in a frame that has been lateraly loaded.  any suggestions?  thanks.
find a job or post a job opening
not all packages can do this, even if your is capable then you may need to enter it as a spring constant in yours.
is it possible to set the connections as rigid and modify the modulus of the end portion of the member.  say for a   
the program i use allows for a rotational spring.
daveatkins
i am not sure if our program allows for a rotational spring or not, but even if yours does you will need to test the connection to get the moment-rotation curve.
we do a lot of type ii with wind connection buildings (now called fmc connections).  i model it as rigid connections and multiply the drift by 1.5 to 2.  i got this number from a paper i read on the subject.  if you would like the reference, let me know and i will dig it up.
您需要登录后才可以回帖 登录 | 注册

本版积分规则

QQ|Archiver|小黑屋|几何尺寸与公差论坛

GMT+8, 2025-1-19 19:04 , Processed in 0.034005 second(s), 19 queries .

Powered by Discuz! X3.4 Licensed

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表