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='''RAE M2155 Wing'''=
+
{{AC|front=AC 1-02|description=Description_AC1-02|testdata=Test Data_AC1-02|cfdsimulations=CFD Simulations_AC1-02|evaluation=Evaluation_AC1-02|qualityreview=Quality Review_AC1-02|bestpractice=Best Practice Advice_AC1-02|relatedUFRs=Related UFRs_AC1-02}}
  
'''Application Challenge 1-02'''              © copyright ERCOFTAC 2004
 
  
  
 +
[{{filepath:A1-02d29.pdf}} '''Click here to view the Quality Review''']
  
{| align="center" border="1"
 
!align="left" | Application Challenge (AC) Title: RAE M2155 Wing
 
|-
 
!align="left" | AC Author and Thematic Area: P. Catalano (CIRA) and A. Hutton (DERA), TA1
 
|-
 
!align="left" | Reviewer (Name/Organisation) : J.B. Vos/CFS Engineering
 
|}
 
 
 
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 1
 
! TOP LEVEL CHECK
 
! YES
 
! NO
 
! CO
 
|-
 
| 1.1           
 
| Is this AC an Industrial test case for judging CFD competency?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 1.2           
 
| Are the design/assessment parameters ([[DOAPs#DOAPs:_Design_or_Assessment_Parameters|DOAPs]]) defined?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| 1.3           
 
| Have these assessment parameters been measured?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 1.4           
 
| Are CFD calculations available ?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| colspan="2" |
 
! H
 
! M
 
! L
 
|-
 
| 1.5
 
| Importance of AC to Industrial Sector (IS)?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| align="left" colspan="5"| <b>Comments:</b>
 
Only the aerodynamic coefficients are mentioned as DOAP’s, which can be considered as somewhat limited,
 
in particular for turbulent flows.
 
 
Remark that the RAE M2155 wing has been used in different European funded projects,
 
as for example AVTAC and FLOWNET.
 
|}
 
 
 
 
 
 
 
{| align="center" border="1"
 
! colspan="2" | Please identify Underlying Flow Regimes for this AC:
 
|-
 
| width="40" | 3.1
 
| Reattaching shear layers/pressure recovery
 
|-
 
| 3.1
 
| Shock-boundary layer interaction
 
|-
 
| 3.1
 
| Boundary layer under adverse pressure gradient causing separation
 
|-
 
| 3.2
 
| 3D Skewed boundary layer
 
|-
 
| 3.4
 
| Wing – body (ground plate) junction
 
|}
 
 
 
 
 
 
 
==='''DETAILED CHECK'''===
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 2
 
! GEOMETRY
 
! YES
 
! NO
 
! CO
 
|-
 
| 2.1
 
| Is the geometry fully specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| 2.2
 
| Are the locations of boundaries specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 2.3           
 
| Are the boundary types specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 2.4           
 
| Is the geometry clearly illustrated?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 2.5           
 
| Is the geometry available in digital form?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| colspan="5" | <b>Comments:</b>
 
 
The geometry is available as an ASCII file in the format of 33 sections of 145 points each. Transition is fixed at 5% local chord, and a geometric definition of this line is available.
 
|}
 
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 3
 
! FLOW PHYSICS AND FLUID DYNAMICS DATA
 
! YES
 
! NO
 
! CO
 
|-
 
| 3.1           
 
| Are the physics of key processes identified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 3.2
 
| Are the properties of the fluid specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 3.3           
 
| Are the governing non-dimensional parameters ([[DOAPs#GNDPs:_Governing_Non-Dimensional_Parameters|GNDPs]]) identified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| colspan="5" | <b>Comments:</b>
 
 
 
 
 
|}
 
 
==='''TEST DATA'''===
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 4
 
! OVERVIEW of Test Data
 
! YES
 
! NO
 
! CO
 
|-
 
| 4.1           
 
| Have all the experiments been adequately defined?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 4.2           
 
| Are the measurement techniques used described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 4.3           
 
| Has a summary of test runs been provided (matrix)?
 
|
 
|
 
|
 
|-
 
| 4.4           
 
| Are there any important scaling issues/simplifications/uncertainties associated with the test geometry?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
| colspan="2" |
 
! H
 
! M
 
! L
 
|-
 
| 4.5           
 
| Impact of uncertainties on [[DOAPs#DOAPs:_Design_or_Assessment_Parameters|DOAPs]] ?
 
|
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| colspan="5" | <b>Comments:</b>
 
 
 
 
 
|}
 
 
 
 
 
 
 
 
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 5
 
| <b>EXP1</b> (Copy and complete this section for each set of test data)
 
! YES
 
! NO
 
! CO
 
|-
 
| 5.1           
 
| Is the experimental setup defined unambiguously?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 5.2           
 
| Are the geometrical parameters defined?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 5.3           
 
| Are the values of [[DOAPs#GNDPs:_Governing_Non-Dimensional_Parameters|GNDPs]] specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 5.4           
 
| Are the measured parameters ([[DOAPs#MPs:_Measured_Parameters|MPs]]) fully described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 5.5           
 
| Are measured data available in digital format?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 5.6           
 
| Have conditions at all boundaries been specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 5.7           
 
| Are any of the boundary data uncertain?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
| 5.8           
 
| Is a realistic estimate of data accuracy given?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| colspan="2" |
 
! H
 
! M
 
! L
 
|-
 
| 5.9           
 
| Impact of uncertainties on [[DOAPs#DOAPs:_Design_or_Assessment_Parameters|DOAPs]] ?
 
|
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| colspan="5" | <b>Comments:</b>
 
 
 
 
 
|}
 
 
==='''CFD SIMULATIONS'''===
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 6
 
! OVERVIEW of CFD Simulations
 
! YES
 
! NO
 
! CO
 
|-
 
| 6.1           
 
| Have all the CFD runs been adequately defined?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 6.2
 
| Are the solution techniques used described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 6.3
 
| Has a summary of runs been provided (matrix)?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| 6.4
 
| Are there any important uncertainties associated with the computational domain geometry?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
| colspan="2" |
 
! H
 
! M
 
! L
 
|-
 
| 6.5           
 
| Impact of uncertainties on [[DOAPs#DOAPs:_Design_or_Assessment_Parameters|DOAPs]] ?
 
|
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| colspan="5" | <b>Comments</b>
 
 
The provided test matrix does not follow the standard layout.
 
 
 
|}
 
 
 
 
 
 
 
 
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 7
 
| <b>CFD1</b> (Copy and complete this section for each set of CFD data)
 
! YES
 
! NO
 
! CO
 
|-
 
| 7.1
 
| Is the modelling strategy defined?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.2
 
| Is the modelling strategy appropriate for the physical problem?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
! colspan="5" | Solution Strategy
 
|-
 
| 7.3
 
| Is the code (and version) specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.4
 
| Are the equations solved described adequately?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.5
 
| Is the numerical discretisation scheme used specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| 7.6
 
| Is the solution algorithm described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
! colspan="5" | Computational Domain
 
|-
 
| 7.7
 
| Is the domain fully described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.8
 
| Boundary conditions fully detailed?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.9
 
| Is the domain used an idealisation/simplification?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
| 7.10
 
| Is the mesh used fully described?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
| 7.11
 
| Is the mesh quality appropriate?
 
|
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
! colspan="5" | Boundary Conditions
 
|-
 
| 7.12
 
| Are the boundary conditions fully defined?
 
|
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|-
 
| 7.13
 
| Are they appropriate?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.14
 
| Do these replicate conditions in test rig?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.15
 
| Were sensitivity runs carried out to explore effects of uncertainties in boundary data?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
! colspan="5" | Application of physical models
 
|-
 
| 7.16
 
| Were turbulence models and other physical models applied in an appropriate and consistent way?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
! colspan="5" | Numerical Accuracy
 
|-
 
| 7.17
 
| Is there any demonstration/estimation of numerical (discretisation) accuracy?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
| 7.18
 
| Was a mesh sensitivity study carried out?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.19
 
| Was sufficient iteration convergence achieved?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| colspan="2" |
 
! H
 
! M
 
! L
 
|-
 
| 7.20
 
| Impact of uncertainties on [[DOAPs#DOAPs:_Design_or_Assessment_Parameters|DOAPs]] ?
 
|
 
|
 
|
 
|-
 
| colspan="5" | <b>Comments</b>
 
 
It was indicated that one of the meshes used had the inflow boundary too far from the model,
 
resulting in poor results.
 
 
No results of the DOAP’s are given. No information on the free stream values of the turbulent
 
variables is given.
 
 
No information is available on the numerical dissipation used.
 
|}
 
 
 
 
 
 
 
 
 
{| align="center" width="600" border="1"
 
! align="left" | 7
 
| <b>CFD2</b> (Copy and complete this section for each set of CFD data)
 
! YES
 
! NO
 
! CO
 
|-
 
| 7.21
 
| Is the modelling strategy defined?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.22
 
| Is the modelling strategy appropriate for the physical problem?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
! colspan="5" | Solution Strategy
 
|-
 
| 7.23
 
| Is the code (and version) specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.24
 
| Are the equations solved described adequately?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.25
 
| Is the numerical discretisation scheme used specified?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.26
 
| Is the solution algorithm described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
! colspan="5" | Computational Domain
 
|-
 
| 7.27
 
| Is the domain fully described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.28
 
| Boundary conditions fully detailed?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.29
 
| Is the domain used an idealisation/simplification?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
| 7.30
 
| Is the mesh used fully described?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.31
 
| Is the mesh quality appropriate?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
! colspan="5" | Boundary Conditions
 
|-
 
| 7.32
 
| Are the boundary conditions fully defined?
 
|
 
|
 
|
 
|-
 
| 7.33
 
| Are they appropriate?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.34
 
| Do these replicate conditions in test rig?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|-
 
| 7.35
 
| Were sensitivity runs carried out to explore effects of uncertainties in boundary data?
 
|
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|-
 
! colspan="5" | Application of Physical Models
 
| 7.36
 
| Were turbulence models and other physical models applied in an appropriate and consistent way?
 
| align="center" | <span style='color:green'>&#10004;</span>
 
|
 
|
 
|}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Numerical Accuracy
 
 
 
 
 
 
 
 
 
 
 
7.37       
 
 
 
Is there any demonstration/estimation of numerical (discretisation) accuracy?
 
 
 
 
 
 
 
7.38       
 
 
 
Was a mesh sensitivity study carried out?
 
 
 
 
 
 
 
7.39       
 
 
 
Was sufficient iteration convergence achieved?
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
H
 
 
 
M
 
 
 
L
 
 
7.40       
 
 
 
Impact of uncertainties on DOAPs ?
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Comments:
 
 
The influence of the mesh was studied, and had a considerable impact on the Cd. No grid
 
 
convergence was demonstrated for this parameter (the CL was grid converged).
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8
 
 
 
EVALUATION - Comparison of Test data and CFD
 
 
 
YES
 
 
 
 
 
NO
 
 
 
 
 
CO
 
 
 
 
8.1           
 
 
 
Is the comparison of CFD and test data clearly presented?
 
 
 
 
 
 
 
8.2           
 
 
 
Are the discussion, conclusions and recommendations adequately supported by the available experimental and CFD results?
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Comments:
 
 
No comparisons CFD and test data given in this section, CFD DOAP results are given in
 
 
Section 3.3 and experimental values of the normal force coefficient are provided in Section
 
 
2.2.4, but no direct comparison between CFD and experimental results is given.
 
 
Also surface pressure data, skin friction coefficients, boundary layer and wake velocity
 
 
profiles have been measured, but no comparison with CFD data has been made.
 
 
 
 
 
 
 
© copyright ERCOFTAC 2004
 
 
 
----
 
 
Contributors: Pietro Catalano - CIRA; QinetiQ
 
 
Site Design and Implementation: [[Atkins]] and [[UniS]]
 
 
 
        Top              Next
+
{{AC|front=AC 1-02|description=Description_AC1-02|testdata=Test Data_AC1-02|cfdsimulations=CFD Simulations_AC1-02|evaluation=Evaluation_AC1-02|qualityreview=Quality Review_AC1-02|bestpractice=Best Practice Advice_AC1-02|relatedUFRs=Related UFRs_AC1-02}}

Latest revision as of 16:46, 23 February 2010