For plane elasticity problems, which option represents the essential boundary conditions among the governing equations?

Surface traction at the boundary

Displacements, ux and uy at the boundary

Surface traction at the boundary

The displacements (ux and uy) and surface traction at the boundary

For plane elasticity problems, which option represents the essential

1.	For plane elasticity problems, which option represents the essential boundary conditions among the governing equations?
A.	Displacements, ux and uy at the boundary
B.	Surface traction at the boundary
C.	The displacements (ux and uy) and surface traction at the boundary
D.	Stresses in the element
Answer» B. Surface traction at the boundary

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For plane elasticity problems, which option represents the essential boundary conditions among the governing equations?

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