4. B modeling#

4.1. Characteristics of modeling#

Curved elements are modeled by POU_D_T elements (20 elements per bend).

The straight elements are modeled by POU_D_TG elements.

_images/1000200E000019380000196DD0736C1CFFD4EEF2.svg

4.2. Characteristics of the mesh#

Number of knots:

51

Number of meshes and types:

10 POU_D_TG 40 POU_D_T

4.3. notes#

The modes are standardized as follows: largest component (degree of freedom of translation or rotation) to \(1\).

4.4. Tested sizes and results#

Structure frequencies (full mass matrix).

Natural frequency

Reference

Fashion 1

10.39

2

20.02

3

25.45

4

48.32

5

52.60

6

84.81

7

87.16

8

129.31

9

131.69