Title: A new turbulent three-dimensional FSI benchmark FSI-PFS-3A
Subtitle: Definition and measurements
Authors: Kalmbach, Andreas 
De Nayer, Guillaume  
Breuer, Michael  
Language: en_US
Subject (DDC): DDC - Dewey Decimal Classification::000 Informatik, Wissen, Systeme
DDC - Dewey Decimal Classification::500 Naturwissenschaften
DDC - Dewey Decimal Classification::600 Technik
Issue Date: May-2013
Publisher: International Center for Numerical Methods in Engineering
Document Type: Conference Object
Source: In: Marine 2013 / Brinkmann, Birgitt. - 1. ed.. - Barcelona : Internat. Center for Numerical Methods in Engineering, 2013$x201300000000000759
Project: Simulation methods for dynamic fluid-structure interactions of lightweight flexible structures 
Page Start: 241
Page End: 254
Pages: 241 - 254
Publisher Place: Barcelona
Conference: International Conference on Computational Methods in Marine Engineering 2013 
In the last decade, the demand for the prediction of complex multi-physics prob-lems such as fluid-structure interaction (FSI) has strongly increased. For the development and improvement of appropriate numerical tools several test case swere designed in order to vali-date the numerical res ults based on experimental reference data [4, 12, 13, 8, 9, 10 ]. Since FSI problems often occur inturbulent flows also in the experiments similar conditions have to be provided. Inthetest - case FSI - PfS- 1a [7] presented in the first contribution to this session, acylinder is used with anattached flexible rubber plate. Theresulting FSI problem is nearly two - dimensionalregarding the phase -averaged flow and thes tructure deformations. Theac - tualtestcase FSI - PfS -3a is the reasonable further development step of this two - -dimensional flow, Which now alsoleads to a significant three - dimensional structure deformation. Thecy linder is replaced by a truncated cone .Similar to FSI - PfS - 1a [7] arubber plate is attachedat the backside. This geometrical setup is exposed to aconstant flowat Re = 32 ,000 which hisin the subcritical regime. Dueto the linearly increasing diameter of the cone the alternating eddies in the wake even become larger resulting incorre - spondingly increasing structural displacements. Owingt o thes echallenging flow and structure effects, this benchmark will be the next step for validating FSI predictions for real applications. The experiments are performed in a water channel with clearly defined and controllable bound - ary and operating conditions. Formeasuring the flowa two - dimensional mono - particle - image velocimetry (PIV) system isapplied. In order to characterize the three - dimensional behaviorof the flow, phase - averaged PIV measurements are performed at three different planes. The structural deformations are measured along a line on the structure surface with atime - resolved laser distance sensor. The resulting FSI problem shows a quasi - periodic deformation behavior so that a phase averaging of the results is reasonable. Byphase - averaging turbulent fluctua-tions are averaged out and thus a comparison with corresponding numerical simulations basedon LES [3] and RANS [12, 13] approaches is possible.
Organization Units (connected with the publication): Strömungsmechanik 
URL: https://api.elsevier.com/content/abstract/scopus_id/84891350634
ISBN: 9788494140747
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