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Technical Report
Example of a multi-page report including 3D content
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Author: Dipl.-Ing. Christoph Schlegel 7tech GmbH www.7tech.at
Register of Changes:
Index Date Description of Changes Pages Author
TR1 first edition Schlegel
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1 Summary
This report shows the ability of More-PDF (www.more-pdf.com) to extend comprehensive CAE reports with 3D content in a 3D-PDF format. This gives a detailed insight into a CAE analysis and provides a combination of 2D and 3D content in one single document. The 3D-PDF format allows review with a standard pdf viewer like Adobe’s Acrobat Reader and avoids the necessity of installation of a sepa-rated 3D-Viewer software.
The document combines content such as description of the FEA model, the boundary conditions, as-sumptions and a summary with text and 2D images and contains also 3D models that allows to rotate, move, zoom and investigate the model in detail. All the results and the interpretation of the results can be documented very effectively with the 3D-Content. Comments and hints can be included within the 3D models.
Fig. 1-1: von Mises Stress [MPa] and recommendations
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A: Static StructuralEquivalent StressType: EquivalentUnit: MPaTime: 1Max: 211,519943Min: 0,0926087052
211,52160140120100806040200,09
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2 Specification of Analysis
2.1 Description of the FEA model
For the analysis of the bracket of the box a detailed model with nonlinear Contacts was built up. The sheet metal is modeled with Shell-Elements. All the rivets and bolts are modeled with beam elements created with the ANSYS Extension Fast+More (www.fast-and-more.com).
Fig. 2-1: Rivets and Bolts are model with Beam-Elements generated with Fast+More
Fig. 2-2: Shell thickness
all rives and bolts
are created with
Fast+More
4 mm
2 mm
1,5 mm
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2.2 Material Data and Assignment
The defined material properties are listed in the following table.
Material
E-Modul [MPa]
Poisson [-]
Density [kg/m²]
ste
el S355
200'000 MPa 0.3 7850 kg/m³ S235
1.4301
alu
min
um
AW-6060 T6
70'000 MPa 0.3 2770 kg/m³
AW-6082 T6
Tab. 2-1: Assigned material data.
The assignment of material properties to the model can be seen on Fig. 2-3
Fig. 2-3: Overview of the used material assignment
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2.3 Boundary conditions, Loads
The model is fixed at the cutting edges of the box and the following force is applied at the bearing
Fx = -500 N
Fy = 1800 N
Fz = -1600 N
F sum = 2459,7 N
Fig. 2-4: Boundary conditions of the FEA model
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3 Results
Fig. 3-1: Deformation in [mm] with deformation scale factor 50
Fig. 3-2: shear force vectors of the bolts and rivets
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)A: Static StructuralTotal DeformationType: TotalUnit: mmTime: 1Max: 0,95158124Min: 0ANSYS 19.5
0,950,850,740,630,530,420,320,210,110
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4 Appendix
4.1 List of Figures
Fig. 1-1: von Mises Stress [MPa] and recommendations ........................................................... 2
Fig. 2-1: Rivets and Bolts are model with Beam-Elements generated with Fast+More ............. 3
Fig. 2-2: Shell thickness ............................................................................................................. 3
Fig. 2-3: Overview of the used material assignment .................................................................. 4
Fig. 2-4: Boundary conditions of the FEA model ........................................................................ 5
Fig. 3-1: Deformation in [mm] with deformation scale factor 50 ................................................. 6
Fig. 3-2: shear force vectors of the bolts and rivets ................................................................... 6
