A methodology for a coupled structural-CFD analysis of compressor rotor blades subjected to ice impact with uncertain impactor parameters

Research output: Contribution to book/conference proceedings/anthology/reportConference contributionContributedpeer-review


A method for a coupled structural -- Computational Fluid Dynamics (CFD) analysis of a compressor rotor blade subjected to an ice impact scenario is investigated to assess the impact related blade deformations from a structural and fluid-dynamics perspective. On the basis of a probabilistic approach, in total 50 impact scenarios are derived for this study. In a first step the numerical structural model based on Finite Elements (FE) is discussed, including several parameter variations like impact location, ice diameter, ice density and rotor speed. Different analysis steps are subsequently carried out using LS-DYNA implicit / explicit on a high performance computing (HPC) cluster. Resulting blade deformations are evaluated in terms of local plastic deformation, cup size and modal parameters in comparison to the undamaged reference structure. The resultant post-impact blade geometry is extracted from the result data and passed to the CFD simulation setup in a fully automated manner. Based on this deformed structural mesh data, the fluid mesh is morphed via a radial basis function (RBF) approach and analysed with CFD. Finally, an uncertainty quantification study is performed to assess the variability of results with regard to the definition of the ice impactor.


Original languageEnglish
Title of host publicationProceedings of the ASME Turbo Expo 2022
Number of pages10
Publication statusPublished - 28 Oct 2022


TitleASME Turbomachinery Technical Conference & Exposition 2022
Abbreviated titleASME Turbo Expo 2022
Duration13 - 17 June 2022
Degree of recognitionInternational event
LocationRotterdam Ahoy Convention Centre

External IDs

Scopus 85141398074
unpaywall 10.1115/gt2022-82383
ORCID /0000-0003-1370-064X/work/142243799
ORCID /0000-0003-2653-7546/work/142249400



  • Blades, Compressors, Computational fluid dynamics, Ice, Rotors, Deformation, Density, Finite Element Analysis, Fluid dynamics, Fluids, Geometry, Simulation, Uncertainty Quantification