Dynamic Wind Loading of Heliostats

A method for the design of heliostats considering dynamic wind loads is presented. The transient FEM simulation is based on a CAD model of the heliostat and a pressure distribution time series measured in a wind tunnel. In order to minimise the calculation times, a simplified FEM model is used first to determine the period in which the maximum deformations occur. The stresses can then be determined for this period using a more precise model.

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Publication Details

Journal
SolarPACES Conference Proceedings
Published
2025-11-26
DOI
https://doi.org/10.52825/solarpaces.v3i.2421
Primary Topic
Solar Thermal and Photovoltaic Systems
Type
article
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article

Dynamic Wind Loading of Heliostats

Andreas Pfahl, Justus Blum, Atli Tobiasson Helmer
SolarPACES Conference Proceedings
Solar Thermal and Photovoltaic Systems
article

Dynamic Wind Loading of Heliostats

Andreas Pfahl, Justus Blum, Atli Tobiasson Helmer
article en

Abstract

A method for the design of heliostats considering dynamic wind loads is presented. The transient FEM simulation is based on a CAD model of the heliostat and a pressure distribution time series measured in a wind tunnel. In order to minimise the calculation times, a simplified FEM model is used first to determine the period in which the maximum deformations occur. The stresses can then be determined for this period using a more precise model.

SolarPACES Conference ProceedingsVol. 3
TH Köln - University of Applied Sciences (DE), Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR) (DE), Heinrich Heine University Düsseldorf (DE)
Openalex Percentile: Top 74%
Solar Thermal and Photovoltaic Systems
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