01 hiliftpw-3 introduction · general guide to grid generation, and not impose hard rules. aiaa...
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CFD High Lift Prediction Workshop
3rd AIAA CFD High Lift Prediction WorkshopDenver, CO, USA
3-4 June 2017
Jeffrey SlotnickThe Boeing Company
Gerrit-Daniel StichNASA Ames Research Center
HiLiftPW-3 Overview and Grid Systems
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CFD High Lift Prediction WorkshopOutline
• Overview– Organizing Committee– Objectives– Test Cases– Participant Statistics
• Grid Systems• AIAA Special Sessions• Acknowledgments
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 2
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CFD High Lift Prediction Workshop
• Jeffrey Slotnick and Tony SclafaniThe Boeing Company
• Mark Chaffin and Ed FeltropTextron Aviation
• Ralf RudnikDLR – German Aerospace Center
• Thomas WaymanGulfstream Aerospace Corporation
• Yasushi Ito and Mitsuhiro MurayamaJAXA – Japan Aerospace Exploration Agency
• Thomas Pulliam and Cetin KirisNASA Ames Research Center
• Chris Rumsey, Beth Lee-Rausch, and Judi HannonNASA Langley Research Center
• Carolyn Woeber†
Pointwise, Inc.• Dimitri Mavriplis*
University of Wyoming• Neil Ashton
University of Oxford
Organizing Committee
* DPW organizing committee member† GMGW organizing committee member
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 3
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CFD High Lift Prediction Workshop
Objectives
• Assess the numerical prediction capability (meshing, numerics, turbulence modeling, high-performance computing requirements, etc.) of current-generation CFD technology/codes for swept, medium/high-aspect ratio wings in landing/take-off (high-lift) configurations
• Develop practical modeling guidelines for CFD prediction of high-lift flowfields
• Advance the understanding of high-lift flow physics to enable development of more accurate prediction methods and tools
• Enhance CFD prediction capability to enable practical high-lift aerodynamic design and optimization
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 4
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CFD High Lift Prediction Workshop
Test Cases
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 5
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CFD High Lift Prediction Workshop
Test Cases (cont.)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 6
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CFD High Lift Prediction WorkshopTest Cases (cont.)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 7
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CFD High Lift Prediction WorkshopConfiguration Information
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 8
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CFD High Lift Prediction WorkshopDatasets
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 9
Y Dataset Complete
I Dataset Incomplete
Wang
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CFD High Lift Prediction WorkshopDatasets
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 10
Y Dataset Complete
I Dataset Incomplete
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CFD High Lift Prediction WorkshopStatistics - Participants
HiLiftPW-18 Countries21 Participants
HiLiftPW-211 Countries26 Participants
HiLiftPW-314 Countries36 Participants
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 11
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CFD High Lift Prediction WorkshopStatistics - Organizations
HiLiftPW-1 HiLiftPW-2 HiLiftPW-3
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 12
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CFD High Lift Prediction WorkshopStatistics - Datasets
HiLiftPW-2 HiLiftPW-3Number of Test Cases 3 Requested
4 Optional4 Requested5 Optional
Number of Datasets 36 78
Total number of Test Case Submissions
84 202
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 13
• Significant increase in the amount of data generated by the CFD community.
• Committee needs more time to post-process data and interpret the relevant trends.
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CFD High Lift Prediction WorkshopOutline
• Overview– Organizing Committee– Objectives– Test Cases– Agenda– Participant Statistics
• Grid Systems• AIAA Special Sessions• Acknowledgments
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 14
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CFD High Lift Prediction WorkshopGridding Guidelines
• Located on HiLiftPW website:https://hiliftpw.larc.nasa.gov/Workshop3/GriddingGuidelines-HiLiftPW3-v10.pdf
• Significant update from previous versions• Attempted to be more specific about cell sizes,
spacings, and stretching ratios• In the end, the document is meant to provide a
general guide to grid generation, and not impose hard rules.
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 15
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CFD High Lift Prediction WorkshopGrid Systems (HL-CRM)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 16
Series Type Number ofpoints(M)
Numberofcells(M)
Developer Tool
A Overset 24,65,189,565 23,64,185,554 NASAAmes
ANSA+Chimeragridtools
B1 Tetrahedral 8,26,70,206 48,157,416,1228 Pointwise Pointwise
B2 Mixed(prismdominant)
8,26,70,206 22,65,170,541 Pointwise Pointwise
B3 Mixed(hexdominant)
8,27,71,208 18,48,119,397 Pointwise Pointwise
C Structured point-matched
10,77,338 8,68,311 GridPro GridPro
Blue=CoarseGreen=MediumBlack=FineRed=X-Fine
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CFD High Lift Prediction WorkshopGrid Systems (JSM)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 17
Series Type Number ofpoints(M)
Numberofcells(M)
Developer Tool
A Overset 221,235 216,230 NASAAmes
Chimeragridtools
B Mixed 102,126 162, 207 DLR DLR-SOLAR
C1 Tetrahedral 16,21 96,124 S/G* VGRID
C2 Mixed 16,21 52,65 S/G* VGRID
D Mixed 50,59 120,139 JAXA JAXAtools
E Mixed 52,58 107,120 O/BC** ANSA
Blue=nonacelle/pylonRed=withnacelle/pylon
* Spaceship Company and Gulfstream Aerospace Corporation** University of Oxford and BETA-CAE Systems S.A.
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CFD High Lift Prediction WorkshopGrid Sizes
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 18
Number of Points Number of Cells
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CFD High Lift Prediction WorkshopJSM – High Lift system detail (grid)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 19
BA C1
C2 D E
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CFD High Lift Prediction WorkshopJSM – Slat detail (grid)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 20
BA C1
C2 D E
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CFD High Lift Prediction WorkshopJSM – Flap detail (grid)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 21
BA C1
C2 D E
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CFD High Lift Prediction Workshop
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 22
BA C1
C2 D E
JSM – High Lift system detail (cell volume)
BA C1
C2 D E
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CFD High Lift Prediction WorkshopHiLiftPW Timeline
• Chicago 2010 – HiLiftPW-1– SPECIAL SESSIONS – Orlando 2011– SPECIAL SESSIONS – New Orleans 2012
• San Diego 2013 – HiLiftPW-2– SPECIAL SESSIONS – National Harbor 2014– SPECIAL SESSIONS – Atlanta 2014
• Denver 2017 – HiLiftPW-3– SPECIAL SESSIONS – (PLANNED) Kissimmee 2018– SPECIAL SESSIONS – (TBD) Aviation 2018
• TBD – HiLiftPW-4
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 23
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CFD High Lift Prediction WorkshopAIAA Special Sessions
• Two 6-paper special sessions planned for SciTech 2018– Summary presentation (1 hr)– HiLiftPW-4 discussion (length?)
• Objective of these sessions is to analyze participant data in more detail and to share additional insights with CFD community
• The HiLiftPW Committee has received too many requests, and needs more time to determine how to organize the sessions.
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 24
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CFD High Lift Prediction WorkshopAcknowledgments
• AIAA Applied Aerodynamics Technical Committee Carl Tillman, Khalid Abdol-hamid
• AIAA Conference Planning Staff Megan Scheidt, Alexi Thomas
• NASA Fundamental Aeronautics Subsonic Fixed Wing (SFW) Aerodynamics Technical Working Group (TWG) Mike Rogers, Scott Anders
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 25
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CFD High Lift Prediction Workshop
Back-Up
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CFD High Lift Prediction WorkshopGrid Sizes (log scale)
AIAA HiLiftPW-3 — Denver, CO, USA June 3-4, 2017 Slide 27
Number of Points Number of Cells