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- Fatigue & Damage Tolerance Analysis
- Testing
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Stehlin Engineering adopted NX/NASTRAN as finite element code and FEMAP as pre- and postprocessor. A
robust interface between CAD data and FEM data is provided via ASIS or
PARASOLID engines. This permits to model and analyse very complex 3D parts and
give feedback to the designers in electronic form if desired.
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Stehlin Engineering performs detailed stress analyses of structures using established
practices from the aerospace industry. The company has built up a strong
knowledge in the design and analysis of composite, sandwich and classical
reinforced skin-stringer structures with an in-depth expertise in the
calculation of local effects, such as load introductions, connections,
fittings, local instabilities, etc....
The company intensively
uses data sheets and manuals such as the ESDU's (Engineering Sciences Data
Unit), MIL Handbooks, ESA and NASA Handbooks, Bruhn, etc.
Fatigue & Damage Tolerance Analysis
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Stehlin Engineering adopted AFGROW as crack initiation and crack growth code
and FRANC2D as stress intensity computation tool.
In 2002, Stehlin Engineering developed an original
method to perform fatigue analysis of bolted and riveted connections in a very
efficient way using the Finite Element Method. Stehlin
Engineering has been selected to write a paper on this subject for the ICAF 2003.
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