wikifemfuchde2019:lez_2019-03-05
Differenze
Queste sono le differenze tra la revisione selezionata e la versione attuale della pagina.
Prossima revisione | Revisione precedente | ||
wikifemfuchde2019:lez_2019-03-05 [2019/03/05 08:58] – creata ebertocchi | wikifemfuchde2019:lez_2019-03-05 [2019/03/05 09:34] (versione attuale) – ebertocchi | ||
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+ | {{ : | ||
+ | {{ : | ||
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+ | {{ : | ||
+ | |||
+ | |||
+ | a reference structure is added for comparison in {{ : | ||
+ | |||
+ | Naming conventions (varied with respect to yesterday.. :-\ ) | ||
+ | * coordinate axes: $x, y, z$ | ||
+ | * displacement components: $u,v,w$ | ||
+ | * rotation components: $\theta, | ||
+ | * force components: | ||
+ | * moment components: $\Theta, | ||
+ | |||
+ | 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. |