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shell linked to frame

shell linked to frame

shell linked to frame

(OP)
Gentlemen:
the attached file is a modeling for concrete walls planted on concrete beam. the bending moment of beam is not ok.
please advise how can I revise the model to ensure that load of the wall will be fully transfered to the supporting beam.
Regards

RE: shell linked to frame

Dear Sayattia,
              It seems like the wall is acting as a deep beam. As the deep beam is much stiffer than the frame element (supporting beam) the load will not be transfered to the beam. You have two ways to solve this problem:

1) Model the support beam with shell elements. In the last row of shell elements you can include a more thick shell, representing your beam geometry (the wall will still take some load as a deep beam).

2) Neglect the wall stiffness. If you set as 0 the membrane thickness the wall will only be a load for the beam. Personally I do not like this approach, because the concrete wall actually is a deep beam and you are not representing the physical problem correctly.

Regards,

Sebastian

RE: shell linked to frame

(OP)
Thank you sir

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