- The right method for every part connection (we will be happy to show you the advantages: info@intes.de),
- Incompatible coupling for mesh-independent modeling of complex components,
- High-performance contact analysis for accurate results even with very large models,
- The right method for screw pretensioning for every level of detail,
- Press fits as a linear method with many advantages,
- high accuracy for thread contact, which allows calculation of screw loosening,
- Modeling of spot weld joints.
Modeling and Analysis of Part Connections with PERMAS
Benefits and particular strengths
Part Coupling

bearing to free mesh of another part
- The most important points about the incompatible coupling:
- Raising productivity in finite element modelling,
- mesh-independent modelling,
- faster exchange of parts by keeping other already meshed parts unchanged,
- more flexible modelling by partoriented meshing,
- improved mesh quality by accurate mesh transitions,
- suitable for large rotations by considering the distances,
- global or local directions can be coupled.
Contact


Stresses during large displacement
Static deformations are calculated under various loads with linear and nonlinear material behavior:
- Contact analysis:
- many contacts possible (>>30,000),
- unrivaled short run times,
- most advanced solver technology,
- friction can be taken into account with transitions between sticking and sliding,
- bolt conditions can be applied in one step,
- specification of a realistic loading history,
- contact results: contact pressure, contact status, contact forces, saturation, etc.
Bolts


Frictional forces at bolts during driving
The procedures range from modeling with beams, with exact prestension forces, to detailed thread modeling in order to carry out evaluations directly on the screw.
Advanced methods simplify input via parameters and lead to efficient modeling with high accuracy.
In addition to the non-linear methods, there are even linear formulations for the prestress in order to take them into account in purely linear calculations.
Bolt loosening


Frictional forces at bolts during driving


Self-loosening of bolt head.

Contact pressure under the bolt head and in the thread.
Pressfit

Welding

Questions? Ask us!
INTES Ingenieurgesellschaft für technische Software mbH
Management: Rolf Fischer
Breitwiesenstr. 28
70565 Stuttgart
Germany
Commercial register: Stuttgart HRB 10 978
VAT registration number: DE 147803245
Tel.: +49 711 78499-0
✉info@intes.de