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convergence

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Lune

Lune

Civil/Environmental
Joined
Apr 15, 2011
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12
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LB

Can anyone explains what this warning means
wARNING: NODE 3 INSTANCE CONC-1 ON SURFACE ASSEMBLY_ALLCONCSURF HAS FACETS
WITH NORMAL VECTORS DIFFERING BY MORE THAN 30 DEGREES. CONVERGENCE DIFFICULTIES MAY OCCUR AT THIS NODE WITH FINITE-SLIDING CONTACT.
THE NORMAL CONTACT DIRECTION AT THIS NODE WILL BE (0.0000,-0.70711,0.70711).
 
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It sounds as if the mesh is too coarse, the normal varies greatly over the element-face
 
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