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Lupuleac, Sergey
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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
  • 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.
 

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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Development of Numerical Methods for Simulation of Airframe Assembly Process

SAE International Journal of Aerospace

EADS RTO Sk LLC-Dmitry Bondarenko
St. Petersburg Politechnic University-Sergey Lupuleac, Yulia Shinder, Margarita Petukhova, Sergey Yakunin, Alexander Smirnov
  • Journal Article
  • 2013-01-2093
Published 2013-09-17 by SAE International in United States
The paper is devoted to further development of numerical methods for simulation of riveting process during aircraft assembly (see [3, 4]). Algorithm modifications that increase computation accuracy, speed and complexity are given. These modifications involve the dual problem solving, incorporation of multiple calculation nets and special two stage procedure for calculation of deformations and stresses arising during assembly.
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Software Complex for Riveting Process Simulation

Airbus-Bertrand Bretagnol
St Petersburg Politechnic Univ.-Alexander Smirnov, Olga Rodionova, Vladislav Shubnikov
Published 2011-10-18 by SAE International in United States
The presented paper describes the software complex developed in St. Petersburg Polytechnical University for AIRBUS aimed at simulation of aircraft assembly process. Previous version of this complex was described in [1].
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Methodology for Solving Contact Problem during Riveting Process

SAE International Journal of Aerospace

Airbus-Bertrand Bretagnol
St Petersburg Politechnic Univ-Margarita Petukhova, Yulia Shinder
  • Journal Article
  • 2011-01-2582
Published 2011-10-18 by SAE International in United States
The paper describes the methodology of contact problem solving that is used in specialized software code aimed at simulation of aircraft assembly process. For considered class of problems it is possible to radically reduce the number of unknowns without loss of accuracy.The results of validation of developed code against physical experiments and commercial FEM codes are also given.
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Assembly Simulation of Riveting Process

SAE International Journal of Aerospace

Airbus-Benoit Marguet
Saint-Petersburg Polytechnic University-Sergey Lupuleac, Margarita Kovtun, Olga Rodionova
  • Journal Article
  • 2009-01-3215
Published 2009-11-10 by SAE International in United States
The presented paper introduces the new software complex aimed at simulation of the riveting process as applied to aircraft parts. The software complex implements the novel mathematical model based on minimization of the potential energy. The paper gives the detailed description of the mathematical model and particularizes the main features of the software. The physical and numerical tests aimed at validation of the software are also described in the paper.
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