Location of nodes

03-Analytical/modelling capabilities
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Tdwa
Posts: 6
Joined: 08 Feb 2020, 17:03

Location of nodes

Post by Tdwa »

Greetings,

I am modeling a bridge pier. I need to model three pier types with different height. The first one has a height of 1059 mm, while the second and third piers are 1942 mm and 2824 mm in height. I divided the bridge pier into different elements similar following the verification example: Ch4-bridge-02
Please, how can I determine the number of elements (nodes) for each pier and location of each node (distance between successive nodes)?

Thanks in advance

Tdwa
Posts: 6
Joined: 08 Feb 2020, 17:03

Re: Location of nodes

Post by Tdwa »

Any suggestions, please?

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seismosoft
Posts: 653
Joined: 06 Jul 2007, 04:55

Re: Location of nodes

Post by seismosoft »

It depends on the discretisation that you need and you accuracy that you want to achieve. Usually for a typical pier 5-6 integration sections should be enough. This can be achieved for instance with one infrmFB element or 4-5 infrmDB element. I suggest that you do some background reading on the element types of SeismoStruct.
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Tdwa
Posts: 6
Joined: 08 Feb 2020, 17:03

Re: Location of nodes

Post by Tdwa »

Many thanks!
Tadesse

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