Displacement output

02-Getting started with the modelling
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Aslinn
Posts: 6
Joined: 29 Feb 2020, 17:45

Displacement output

Post by Aslinn »

Hi Seismosoft team,
EC8 gives procedure to transform an MDOF to an equivalent SDOF system. Could you please confirm if the displacement output of a pushover analysis is the SDOF system displacement or MDOF system displacement? Ie, do I need to transform it again following EC8 procedure?
Thanks!
Aslinn

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z.gronti
Posts: 518
Joined: 16 Oct 2013, 08:14

Re: Displacement output

Post by z.gronti »

Dear Aslinn,

It is the final displacement of your model, i.e. the MDOF system displacement, according to the procedure described in EC8.
Zoi Gronti
Seismosoft Srl.

Aslinn
Posts: 6
Joined: 29 Feb 2020, 17:45

Re: Displacement output

Post by Aslinn »

Hi Zoe,
Thank you for confirming that. May I also ask if the Fy and Dy are based on MDOF or SDOF? It seems according to EC8, Fy and Dy are determined based on SDOF...so it's a bit confusing...
Best Regards,
Aslinn

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z.gronti
Posts: 518
Joined: 16 Oct 2013, 08:14

Re: Displacement output

Post by z.gronti »

Dear Aslinn,

According to the EC8, the Fy and dy refer to the SDOF. The method described in EC8 is employed in the program. You may refer to the corresponding topic in SeismoStruct's User Manual for more information.
Zoi Gronti
Seismosoft Srl.

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