Computational database technology for component mode synthesis

  • Authors:
  • M. Nyström;K. Orsborn

  • Affiliations:
  • Department of Mechanical Engineering, Luleå University of Technology, Sweden;Department of Information Technology, Uppsala University, Sweden

  • Venue:
  • ICCST '02 Proceedings of the sixth conference on Computational structures technology
  • Year:
  • 2002

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Abstract

The present work show how object relational database management system technology can be used to support an finite element analysis process that includes component mode synthesis using the Craig-Bampton method for calculating reduced mass and stiffness matrices. A general high-level model for accessing matrix data that is independent of matrix representation is presented. The model makes it possible to develop numerical operations on the matrix data independent of the underlying representation. The model is also used to express the calculations of the reduced stiffness and mass matrices in a declarative query language and thereby letting the database decide how to execute the operations and manage the memory.