Pseudo Displacement   `{D_f}=[K_(ff)]^(-1)*{F_f}`    Displacement Field The equation’s solution represents the displacements of the control points, the so-called pseudo-displacements. Unlike in classical FEM, control points aren’t material points, means that they don’t belong to the structure. In general, displacements of the model differ from the displacements of the corresponding control points. Pseudo-displacements play an auxiliary role in calculating the model’s displacement field. The…...

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