Improving Computational Efficiency of Mechanical Finite Element Method Simulations for PV Modules: Preprint

Research output: Contribution to conferencePaper

Abstract

In this work we have elucidated the trade off between structural mechanics FEM model accuracy and computation time by employing lower fidelity viscoelastic models. Results indicate that computation time can easily be cut in half while only expecting a potential maximum error of 10 % by considering lower fidelity models. A novel approach to produce the Prony Series fit for viscoelastic characterization has also been presented. Employing this approach, we were able to achieve a further 10 % reduction in computation time without further sacrificing simulation accuracy.
Original languageAmerican English
Number of pages6
StatePublished - 2020
Event37th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2020) -
Duration: 7 Sep 202011 Sep 2020

Conference

Conference37th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2020)
Period7/09/2011/09/20

NREL Publication Number

  • NREL/CP-5K00-75975

Keywords

  • mechanical
  • modeling
  • photovoltaic
  • reliability

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