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  4. Hierarchical Bayesian model for simulating the mechanical behavior of bare printed circuit boards with fixing
 
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November 24, 2022
Conference Paper
Title

Hierarchical Bayesian model for simulating the mechanical behavior of bare printed circuit boards with fixing

Abstract
A method for probabilistic simulation of a bare printed circuit board fixed with bolted joints based on hierarchical Bayesian updating of a numerical model is presented in this paper. The objective is the determination of parameter uncertainties in a set of nominally identical boards and the propagation of these uncertainties to calculate probability distributions for the behavior of the mechanical system. The numerical model of the system is split into models for the circuit board, the bolts and a contact model that are updated separately.
Author(s)
Schmidt, Hendrik
Käß, M.
Hülsebrock, Moritz  
Fraunhofer-Institut für Betriebsfestigkeit und Systemzuverlässigkeit LBF  
Lichtinger, Roland
Mainwork
8th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2022  
Conference
European Congress on Computational Methods in Applied Sciences and Engineering 2022  
Open Access
DOI
10.23967/eccomas.2022.136
Language
English
Fraunhofer-Institut für Betriebsfestigkeit und Systemzuverlässigkeit LBF  
Keyword(s)
  • Hierarchical Bayesian Model

  • Bayesian Model Updating

  • Uncertainty Qualification

  • Printed Circuit Boards

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