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{{ :wikifemfuchde2019:variable_poisson_section_in_tension.mud |}}

{{ :wikifemfuchde2019:evaluation_tests_with_assignment.wxmx |}}

{{ :wikifemfuchde2019:evaluation_tests.wxmx |}}


a reference structure is added for comparison in {{ :wikifemfuchde2019:rollbar_def_v0.8.7_v005.wxmx |}}.

Naming conventions (varied with respect to yesterday.. :-\ )
  * coordinate axes: $x, y, z$
  * displacement components: $u,v,w$
  * rotation components: $\theta,\phi,\psi$
  * force components:$U,V,W$
  * moment components: $\Theta,\Phi,\Psi$

vectors are named upon the first component, e.g.
  * position vector $\underline{\mathbf{x}} \equiv \begin{bmatrix} x \\ y \\ z \end{bmatrix}$
  * displacement vector $\underline{\mathbf{u}}\equiv \begin{bmatrix} u \\ v \\ w \end{bmatrix}$
  * rotation vector $\underline{\mathbf{\theta}}\equiv \begin{bmatrix} \theta \\ \phi \\ \psi \end{bmatrix}$
if such a notation is required.