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Asia Pacific Journal on Computational Engineering
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Figure 1 | Asia Pacific Journal on Computational Engineering

Figure 1

From: Application of the duality in the finite element analysis of shell: self-dual metis planar shell elements

Figure 1

A triangular element with quadratic displacement field along the edges. (a) Membrane element with quadratic displacement field. Conformity is satisfied with 12 nodal connectors. (b) Dual element for plate bending with quadratic stress field. Boundary equilibrium (diffusivity) is satisfied with 12 stress connectors. (c) Corresponding element for plate bending with linear moment field. Boundary equilibrium (diffusivity) requires 12 nodal forces.

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