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A MODELING APPROACH FOR ELASTIC TOLERANCESIMULATION OF THE BODY IN WHITE HANG-ON PARTS

Daimler Validation of 3DCS FEA Compliant Modeler

Written by Hanchen Zheng, PhD Student at Daimler AG in partnership with DCS, this paper proposes an approach to implement tolerance simulation for a compliant assembly, which includes manufacturing processes such as clinching, bolting and hemming by applying tolerance simulation tool.

FEM Information Link to 3DCS Software for Daimler Process
3DCS FEA Analysis
3DCS Combines FEA and Tolerance Stack Simulation
Measurement Fixture -- Daimler AG 3DCS Case Study
Check Fixture
Compared to Simulated Measurements

The fender-BIW system is simulated as a compliant–rigid system and the simulation model is applied to two production scenarios. The simulation results are compared with real measurement data, which demonstrates the efficacy of using simulation in early production as opposed to prototyping or other methods of design by showing the strong correlation between simulation results and as-built products.

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