Geometrically Non-linear Problems in Finite Element

Differentiation is now needed. Assuming it is an exaet differentiation, then [Pg.179]

Here one can identify the tangential matrix. To simplify the equation such as the above one, Euler s method is used which states [Pg.179]

8 Geometrically Non-linear Problems in Finite Element 3.8.1 Introduction [Pg.179]

If an element is distorted, it can also be expressed in the local coordinate system. [Pg.180]

Forces T g(i,2) applied at nodes 1 and 2 by the distorted element are written in local coordinates [Pg.180]

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