Structural Data Tables

Col. Nr.

Name

Explanation

Unit

1

Length

Curved length distance from the first body node normalized by the body length

2

Mass density

Mass per unit length

kg/m

3

Bend. stiff. X

Bending Stiffness around X (\(EI_{xx}\))

Nm^2

4

Bend. stiff. Y

Bending Stiffness around Y (\(EI_{yy}\))

Nm^2

5

Axial stiff.

Longitudinal Stiffness (\(EA\))

N

6

Tors. stiff.

Torsional Stiffness (\(GJ\))

Nm^2

7

Shear stiff.

Shear Stiffness (\(GA\)) (not used with Euler beams)

N

8

Str. pitch

Structural pitch angle between reference X axis and elastic X axis

deg

9

Shear factor X

Shear factor for force in principal bending axis X

10

Shear factor Y

Shear factor for force in principal bending axis Y

11

Radius of gyration X

Norm. radius of inertia corresponding to a rotation around the elastic axis X

%chord

12

Radius of gyration Y

Norm. radius of inertia corresponding to a rotation around the elastic axis Y

%chord

13

Center of mass X

Norm. center of mass position X

%chord

14

Center of mass Y

Norm. center of mass position Y

%chord

15

Center of elast. X

Norm. center of elasticity position X

%chord

16

Center of elast. Y

Norm. center of elasticity position Y

%chord

17

Center of shear X

Norm. center of shear position X

%chord

18

Center of shear Y

Norm. center of shear position Y

%chord

19

Diameter

Cross section diameter

m

20

Drag

Drag coefficient for aerodynamic drag