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

Airbus-Elodie Bonhomme, Pedro Montero-Sanjuan
Peter the Great St. Petersburg Polytechnic University-Sergey Lupuleac, Julia Shinder, Maria Churilova, Nadezhda Zaitseva, Valeriia Khashba
Published 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.
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Simulation of Aircraft Assembly via ASRP Software

Airbus-Elodie Bonhomme
Peter the Great St. Petersburg Polytechnic University-Nadezhda Zaitseva, Tatiana Pogarskaia, Olga Minevich, Julia Shinder
Published 2019-09-16 by SAE International in United States
ASRP (Assembly Simulation of Riveting Process) software is a special tool for assembly process modelling 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 assembly of airframe certain criteria on residual gap between parts must be fulfilled. The numerical approach implemented in ASRP allows to evaluate the quality of contact on every stage of 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 via ASRP software.
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Combination of Experimental and Computational Approaches to A320 Wing Assembly

Airbus-Elodie Bonhomme
St Petersburg Polytechnic University-Sergey Berezin, Valeriia Khashba
Published 2017-09-19 by SAE International in United States
The paper is devoted to the simulation of A320 wing assembly on the base of numerical experiments carried out with the help of ASRP software. The main goal is to find fasteners’ configuration with minimal number of fastening elements that provides closing of admissible initial gaps.However, for considered junction type initial gap field is not known a priori though it should be provided as input data for computations. In order to resolve this problem the methodology of random initial gap generation based on available results of gap measurements is developed along with algorithms for optimization of fasteners' configuration on generated initial gaps.Presented paper illustrates how this methodology allows optimizing assembly process for A320 wing.
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Software Complex for Simulation of Riveting Process: Concept and Applications

Elodie Bonhomme
Saint Petersburg Polytechnic University-Sergey Lupuleac, Margarita Petukhova, Julia Shinder, Alexander Smirnov, Mariia Stefanova, Nadezhda Zaitseva, Tatiana Pogarskaia
Published 2016-09-27 by SAE International in United States
The paper is devoted to description of features and functionalities of special software complex aimed at global simulation of junction process using efficient numerical algorithms.The paper presents the concept of developed software and its structure. Types of problems, which the complex is applicable for, are enumerated.
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Simulation of Riveting Process in Case of Unsupported Part Presence

Airbus Operations SAS-Elodie Bonhomme
Saint Petersburg Polytechnic University-Sergey Lupuleac, Margarita Petukhova, Mariia Stefanova, Yulia Shinder, Evgeniy Victorov, Alexander Smirnov
Published 2015-09-15 by SAE International in United States
The paper is devoted to further extension and development of numerical approach aimed at simulation of riveting process during aircraft assembly (see [1,2,3,4]).Previous research has shown that developed methodology provides reliable results if the rigid motion of bodies being assembled is forbidden. However, some small parts in the airframe assemblies are not supported prior to the junction and can freely move as a rigid body. This fact introduces additional difficulties when solving corresponding contact problem.The paper is devoted to description and analysis of two different modeling approaches that allow taking unsupported parts into consideration when simulating airframe assembly process.
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