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Optimization of Automated Airframe Assembly Process on Example of A350 S19 Splice Joint

Peter the Great St. Petersburg Polytechnic University-Sergey Lupuleac, Julia Shinder, Maria Churilova, Nadezhda Zaitseva, Valeriia Khashba
Airbus-Elodie Bonhomme, Pedro Montero-Sanjuan
  • Technical Paper
  • 2019-01-1882
To be published on 2019-09-16 by SAE International in United States
The paper presents the numerical approach to simulation and optimization of A350 S19 splice assembly process. The main goal is to reduce the number of installed temporary fasteners while preventing the gap between parts from opening during drilling stage. The numerical approach includes computation of residual gaps between parts, optimization of fastener pattern and validation of obtained solution on input data generated on the base of available measurements. The problem is solved with ASRP (Assembly Simulation of Riveting Process) software. The described methodology is applied to the optimization of the robotized assembly process for A350 S19 section.
 

Simulation of Aircraft Assembly via ASRP Software

Peter the Great St. Petersburg Polytechnic University-Nadezhda Zaitseva, Tatiana Pogarskaia, Olga Minevich, Julia Shinder
Airbus-Elodie Bonhomme
  • Technical Paper
  • 2019-01-1887
To be published on 2019-09-16 by SAE International in United States
ASRP (Assembly Simulation of Riveting Process) software is a special tool for modelling assembly process for large scale airframe parts. On the base of variation simulation, ASRP provides a convenient way to analyze, verify and optimize the arrangement of temporary fasteners. During the airframe assembly process certain criteria on the residual gap between parts must be fulfilled. The numerical approach realized in ASRP allows one to evaluate the quality of contact on every stage of the assembly process and solve verification and optimization problems for temporary fastener patterns. The paper is devoted to description of several specialized approaches that combine statistical analysis of measured data and numerical simulation using high-performance computing for optimization of fastener patterns, calculation of forces in fasteners needed to close initial gaps and identification of hazardous areas in junction regions.