IMT for fragility curve

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melis erdogan

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Aug 31, 2021, 10:24:24 AMAug 31
to OpenQuake Users
Hi everyone
I have fragility curve datas which based on Sd. I'm defining my parameter to OQ. While I was defining my values to OQ,  I receive an error  about Invalid IMT when I write Sd to  the IMT  Part.  So  I'm wondering that should I convert it yo Sa or PGA?

Best regards.

Vitor Silva

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Aug 31, 2021, 11:22:33 AMAug 31
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Dear Melis,

 

OpenQuake does not have GMPEs in terms of SD. However, you can convert SD into SA using the following formula: Sa=Sd(2PI/T)2, where T is a period of vibration, potentially the fundamental period of vibration of the structure.

 

Best,

Vitor Silva

 

Hi everyone

I have fragility curve datas which based on Sd. I'm defining my parameter to OQ. While I was defining my values to OQ,  I receive an error  about Invalid IMT when I write Sd to  the IMT  Part.  So  I'm wondering that should I convert it yo Sa or PGA?

 

Best regards.

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