3.9.8: Principal States Transformation π·
With the βPrincipal States Transformationβ-component one can define a tensor via first and second principal vectors βVec1β and βVec2β and get the components for a given direction βDirXβ. This allows to e.g. calculate the bending moments or in-plane forces of a shell for a section perpendicular to βDirXβ. βNβ specifies the direction normal of a plane onto which βVec1β and βVec2β get projected before performing the transformation.
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