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Hi,
Please I am currently working on the response of reinforced concrete structure to proportional and nonproportional damping using a viscous damper. Does Opensees has the capability to model proportional and non proportional dampers? If yes, how doI go about it?

Thanks so much. I am working on it already with the help of what you sent to me. I really appreciate.

vesna wrote:
> what is SMA?
SMAs are Shape Memery Alloys. These alloys are presently attracting interest in being used as an active element in damping system. i am currently working on a design but i want to know if OPENSEES can now be used to simulates them.

Thank you

Please I want to know if opensees can now be used to simulate SMA's. If yes, how do I go about doing that cos I am new to the software.

Thanks