
FEJoint is pre and post processing software for spot welds analysis. Program enables easy spot welds generation (based on VIP point list), replace of spot welds type, automatic recognition of joint lines, modification of spot welds amount and location (based on energy density) and complex analysis of calculation results. Task definition for spot welds optimisation (with NASTRAN SOL 200) and analysis of optimisation results is also possible. All results can be shown as 3D visualisation with colourful cubes apart from spot welds type, or 2D plots. Results can be also exported into ASCII format.

Spot weld types supported by FEJoint modelling module and their characteristic features:










DOFs 

12 

24 

12 



RBE3 + RBE2 

2 (0  mesh modification) 

8 (0  contact) 

 



Stiffness calculation 

Direct 

Integration 

Direct 



 

Torsion stiffness for dynamic normal to 2 faces (requirement) 

4 nodes on one flange with large area (RBE3) (continuous connection) 

need MSC NASTRAN license 



+ 

 Forces analysis
 Radius optimalization
 Updating possibilities
 Less DOFs


 No normal requirement
 Spot area
 Visualization


 Force analysis
 Radius optimization
 Updating possibilities
 Less DOFs
 Kitchoff shell theory




Spot Weld's generator
 Recognition of spot welds welding lines
 Remesh
 Replace "solids" spot welds with "bars" spot welds
 Excel output
 HTML presentation tool


Half Automatically and Manually
 User interactive selection of flange
 Between existing spot welds (half distance)
 New remesh
 Delete possibilities of one or more spot welds


 Normal Forces
 Shear Forces
 Bending Moments
 Torsion Moments
 Strain Energy
 Strain Energy Density
 Normal Stresses
 Maximal Stresses


Spot welds optimization
Task definition (SOL 200)
 Radius optimization variables
 Topology optimization variables
 Optimization constraints
 Maximal energy
 Maximal energy density
 Maximal shear forces
 Maximal stress
Optimization results analysis
Optimization steps presentation (3D)


Export
Interfaces
MSC/NASTRAN (op2, xdb and other formats)
SDRC UNIVERSALFile (v 5.0 6.x  Master Series 1.07.0)
Other special interfaces (experimental data, Excel formats, user specific data

