Computational database technology for component mode synthesis

Authors:
M. Nyström;K. Orsborn
Affiliations:
Polhem Laboratory, Department of Applied Physics and Mechanical Engineering, Luleå University of Technology, Luleå Sweden;Department of Information Technology, Uppsala University, Box 337, SE-75105 Uppsala, Sweden
Venue:
Advances in Engineering Software - Special issue on engineering computational technology
Year:
2004

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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 object-oriented model for accessing matrix data independent of matrix representation is presented. The model is 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.