Model & approach
- Represent assembly and service states with nonlinear contact
- Compare variants through reaction force, deformation and local stress fields
Project study
FEA of clips and compact fastening components
Parametric structural models assessed clips, brackets and compact fastening parts for assembly, contact, load path and local overstress.
Engineering question
Thin fastening parts had to accommodate assembly motion and service load while changing contact and local notches governed their response.
Boundary conditions
- Thin-walled or compliant geometries
- Project-specific restraint, friction and prescribed displacement or force
Results of the assessment
- Contact location and local form governed load transfer more strongly than nominal section alone.
- Parametric evaluation exposed robust and sensitive detail regions.
Engineering consequence
Geometry, material state and installation condition could be narrowed for further design or testing.
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