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Modelling of Active damper in SAP Etabs or Stadd pro

 
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jigar_mehta
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Joined: 20 Nov 2015
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PostPosted: Sat Nov 21, 2015 5:31 am    Post subject: Modelling of Active damper in SAP Etabs or Stadd pro Reply with quote

Respected Sir,
My topic for ME dissertation is comparision of siesmic analysis between actvie and passive damping system. In this project i will show time history analysis between active n passive dampers installed in a building of various heights. now the problem is how will i model active damper in softwares like sap, etabs or stadd pro.??
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rahul.leslie
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Joined: 01 Apr 2008
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PostPosted: Tue Nov 24, 2015 10:15 am    Post subject: Reply with quote

Active and passive damping system? It's easy to do passive in SAP. But how active? In real buildings, you need a real time microprocessor (or computer) processing real time readings from accelerometers, and sending contolls to the active dampers - whether the damper is moving a TMD, or placed as diagonals in bays. You may use something like VHDL (or C) to program these microprocessors ( I don't know what they actually use).

In FE packages, you'll have to write a program taking in one data (accelerations), processing, and turning out the other (strain in damper). ANSYS has APDL, i believe it should do the trick. SAP also has a programming link (an API), which... i don't know much about. It might be able to be used for this.

Rahul Leslie


Last edited by rahul.leslie on Wed Nov 25, 2015 8:14 am; edited 1 time in total
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jigar_mehta
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PostPosted: Tue Nov 24, 2015 10:25 am    Post subject: Reply with quote

Thank u so much for your guidance sir..
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