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Contact surface or node contact

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Pitch82

Materials
Joined
Sep 22, 2006
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11
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FR
Hi,

I'm using ABAQUS/Explicit and i'd like to modelize contact between a tool and a sheet. I use a master/slave contact algorithm with penalty methods. To define the slave surface i can choose Node or Surface. I get results which are very differents from one to the others. What should i choose? Where did the difference come from? I think from interpolation...

Pitch
 
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