In finite element modeling, which formulation introduces constraints on variables and satisfies them in an approximate sense?

Lagrange multiplier formulation

In finite element modeling, which formulation introduces constraints

1.	In finite element modeling, which formulation introduces constraints on variables and satisfies them in an approximate sense?
A.	Velocity-pressure formulation
B.	Penalty formulation
C.	Mixed formulation
D.	Lagrange multiplier formulation
Answer» C. Mixed formulation

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In finite element modeling, which formulation introduces constraints on variables and satisfies them in an approximate sense?

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