Reduced Panel Results and Global Overturning Moments

Reduced Panel Results and Global Overturning Moments

rb_s-90-k
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Reduced Panel Results and Global Overturning Moments

rb_s-90-k
Participant
Participant

Hi, 

 

Silly query but I have created a test model attached. I have applied 500kN at a height of 2.1m = i.e. 1050kNm overall moment.

 

I am trying to use the panel results to calculate the overall overturning moment but I am not getting the same answer. Have I misinterpreted the Robot results anywhere? From what I have read the overturning moment is at 0,0,0 i.e. Centre of gravity?  see below. 

 

Could someone clarify this?

 

Untitled.png

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Rafacascudo
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Accepted solution

Lever arm for TRy is Zero as it is applied at the level of the cut which is at the wall base. So just sum NRx X lever arms + moments MRz.

It will give you around 1003,9 kN.m which is the same value you will get setting a panel cut(Results/panel cuts) at base level and asking for Reduced results on Cuts tab.

Results will come closer to perfect 1050kN.m as you set a finer mesh . with a 5cm mesh size you will get 1039kN.m

Rafacascudo_0-1715725286632.png

 

Rafael Medeiros
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rb_s-90-k
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Thanks @Rafacascudo . Makes sense. Okay so it is mesh sensitive. 

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