Structural Simulation of Components with Manufacturing Process induced Defects

Structural Simulation of Components with Manufacturing Process induced Defects

Structural Simulation of Components with Manufacturing Process induced Defects

Beate Lauterbach (1), Fabio Esposito (2), Johannes Fieres (1), Karl-Michael Nigge (1)

1 - Volume Graphics GmbH, Heidelberg, Germany
2 - TEC Eurolab SRL, Campogalliano, Italy
 

Summary

Depending on the manufacturing process (e.g. 3D printing, casting), numerous microstructural defects may occur in a structural component. These defects can be detected by Industrial Computed Tomography (iCT). Including them, all in a structural simulation with FEM will create an enormous effort in FE mesh generation and will result in a very large simulation model to resolve stress concentrations in the proximity of each defect. By identification of the most critical defects and only including them into the structural simulation, this effort can be reduced significantly. A workflow from CT scanning, analyzing most critical defects and efficient meshing in VGSTUDIO MAX from Volume Graphics GmbH to structural simulation in ANSYS with maintaining the relevant features of the scanned object will be presented. The workflow enables to evaluate deviations in the mechanical performance of the manufactured towards the designed component by simulation.


Keywords

Microstructural Simulation, Computer Tomography, Porosity

 
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