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which mesh size to obtain correct results reducing moments above supports?

5 REPLIES 5
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Message 1 of 6
Jummybear
523 Views, 5 Replies

which mesh size to obtain correct results reducing moments above supports?

Did some models, mesh was with a size of

1. 1/2 of coloumn width

2. same as coloumn width

3. 1,5 of a coloumn width.

All models gives defferent results. Which one i can pick for correct results?

5 REPLIES 5
Message 2 of 6
tony.ridley
in reply to: Jummybear

This is an engineering judgement and not really Robot related?

 

But, the accuracy of the result obviously increases with finer mesh.  It's a balance between accuracy and calculation time. 

Message 3 of 6
t.sautierr
in reply to: tony.ridley

I was about to add : 

"You can also define an realistic area for the support -> avoid peaks of moment.

Go into the nodes properties"

 

But actually it doesn'st take into account the dimensions of the support in the results .. maybe it is only in the RC design modules ..

 

You will have to follow tony's instructions ...

 

Message 4 of 6

But actually it doesn'st take into account the dimensions of the support in the results .. 

reduction on maps.PNG



Artur Kosakowski
Message 5 of 6
Jummybear
in reply to: tony.ridley

Tony, if we look to slab span moments than it is. For supports it doesnt work. The smallest mesh is, the closest results you will get. For example, if you have support column 0,5x0,5m and mesh size 0,1x0,1 you will get very close results after "reducing moments above supports" to the peak ones. But for the reinforsment calculation they are too big.

Message 6 of 6

Thx, forgot that! 🙂

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