Compressed Sensing and Time-Parallel Reduced-Order Modeling for Structural Health Monitoring Using a DDDAS

  • Authors:
  • J. Cortial;C. Farhat;L. J. Guibas;M. Rajashekhar

  • Affiliations:
  • Institute for Computational and Mathematical Engineering,;Institute for Computational and Mathematical Engineering, and Department of Mechanical Engineering,;Department of Computer Science, Stanford University, Stanford, CA 94305, U.S.A;Department of Computer Science, Stanford University, Stanford, CA 94305, U.S.A

  • Venue:
  • ICCS '07 Proceedings of the 7th international conference on Computational Science, Part I: ICCS 2007
  • Year:
  • 2007

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Abstract

This paper discusses recent progress achieved in two areas related to the development of a Dynamic Data Driven Applications System (DDDAS) for structural and material health monitoring and critical event prediction. The first area concerns the development and demonstration of a sensor data compression algorithm and its application to the detection of structural damage. The second area concerns the prediction in near real-time of the transient dynamics of a structural system using a nonlinear reduced-order model and a time-parallel ODE (Ordinary Differential Equation) solver.