3. Modeling A#
3.1. Characteristics of modeling#
Modeling: Beam elements POU_D_E
Cutting: |
beam \(\mathrm{AB}\): 30 SEG2 meshes of variable cross section 15 stitches in “General section” 15 meshes in “Rectangular Section” |
Boundary conditions: |
|
in all the knots at the \(A\) end |
(Node: A DX: 0., DY: 0., DRZ: 0.) |
Node names: |
Point \(A=\mathrm{N100}\) |
Point \(B=\mathrm{N200}\) |
3.2. Characteristics of the mesh#
Mesh: |
Number of nodes: 31 |
Number of meshes and types: 30 SEG2 |
3.3. Tested sizes and results#
Identification |
Reference |
Frequency in \(\mathit{HZ}\) |
|
Case 1 \({h}_{0}\mathrm{/}{h}_{1}\mathrm{=}4\) \({b}_{0}\mathrm{/}{b}_{1}\mathrm{=}4\) homothetic |
|
flexure 1 |
54.18 |
flexure 2 |
171.94 |
flexure 3 |
384.40 |
flexure 4 |
697.24 |
flexure 5 |
1112.28 |
Case 2 \({h}_{0}\mathrm{/}{h}_{1}\mathrm{=}4\) \({b}_{0}\mathrm{/}{b}_{1}\mathrm{=}5\) not homothetic |
|
flexure 1 |
56.55 |
flexure 2 |
175.19 |
flexure 3 |
389.01 |
flexure 4 |
702.36 |
flexure 5 |
1117.63 |