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Lagrange multiplier and global load level

–2 votes

Hello,

I would like to impos a global load level on a part of the boundary using Lagrange Multiplier (in linear elasticity) :

the condition is "integral_Gamma1 sigma(u).n ds = R "

Is anybody can help me with this constraint ?

Thanks
Stéphane

asked Sep 10, 2016 by stephanepa FEniCS Novice (350 points)
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