(sec-listofabbreviations)= # List of Abbreviations This section shows typical abbreviations. For further notation, see also {ref}`Section Notation `. (2D)= **2D**: two dimensions or planar (3D)= **3D**: three dimensions or spatial (abs)= **abs**: absolute (e.g., absolute error), absolute value (AE)= **AE**: algebraic equations (CMS)= **CMS**: component mode synthesis (coeffs)= **coeffs**: coefficients (COM)= **COM**: center of mass (DOF)= **DOF**: degree of freedom (EOM)= **EOM**: equations of motion (EP)= **EP**: Euler parameters (FFRF)= **FFRF**: floating frame of reference formulation (HT)= **HT**: homogeneous transformation (LHS)= **LHS**: Left-Hand-Side (of equation) (LTG)= **LTG**: local-to-global (mbs)= **mbs**: multibody system (min)= **min**: minimum (max)= **max**: maximum (ODE)= **ODE**: ordinary differential equation (ODE1)= **ODE1**: first order ordinary differential equations (ODE2)= **ODE2**: second order ordinary differential equations (pos)= **pos**: position (quad)= **quad**: quadrangle, polygon with 4 vertices (rel)= **rel**: relative (e.g., relative error) (RHS)= **RHS**: Right-Hand-Side (of equation) (Rot)= **Rot**: rotation (Rxyz)= **Rxyz**: rotation parameterization: consecutive rotations around x, y and z-axis (Tait-Bryan) (STL)= **STL**: STereoLithography (T66)= **T66**: Plücker transformation (trig)= **trig**: triangle