Presentation is loading. Please wait.

Presentation is loading. Please wait.

CPACS - Common Parametric Aircraft Configuration Schema Daniel Böhnke Air Transportation Systems German Aerospace Center, (DLR)

Similar presentations


Presentation on theme: "CPACS - Common Parametric Aircraft Configuration Schema Daniel Böhnke Air Transportation Systems German Aerospace Center, (DLR)"— Presentation transcript:

1 CPACS - Common Parametric Aircraft Configuration Schema Daniel Böhnke Air Transportation Systems German Aerospace Center, (DLR)

2 2 software.dlr.de

3 3 Database CPACS Integrated Aircraft Design ► Distributed system ► Tools of specialists are wrapped ► Coupling via central data model CPACS Requirements, Targets Parameterization Analysis 2 Performance, Properties Optimization Sensitivities Iteration Analysis 1 Analysis n Meta-ModelingAnalysis 2 Analysis n Analysis 1

4 4 software.dlr.de Central Model Architecture CPACS Functional Parametrization Lifting Line Panel code Euler Different models with different geometric representations can be derived from the global CPACS model using the software libraries.

5 5 software.dlr.de Common Namespace ► Reduce No. of interfaces ► Standardize ► Product and process information ► Human readable ► n(n-1) ► 2n

6 6 software.dlr.de Holism Exchange relevant information ► Intersections of disciplines Exchange relevant meta-information ► Dynamic or static ? from: Dream Airplanes, C.W. Miller

7 7 software.dlr.de Accessibility ► Information is always converted ► Interaction of discipline and modeling experts ► One of the key factors! from: Dream Airplanes, C.W. Miller

8 8 software.dlr.de Re-usability ► Automatic model generation ► Reduce erroneous ► Generation of derivatives from: Dream Airplanes, C.W. Miller {…} Design Loop

9 9 software.dlr.de Abstraction Methods Classification Generalization Association ► Distinguish between content and metamodel ► Partial-hierarchical models ► Complex mechanisms hamper comprehension

10 10 software.dlr.de Common Parametric Aircraft Configuration Schema ► MDO aircraft design ► Distributed simulation ► Collaborative development

11 11 software.dlr.de CPACS ► DLR intern standard ► based on XML / XSD ► development in ~2005 ► specific libraries ► Applications in DLR Projects: ► Aircraft design ► Helicopter design ► Engine design ► Climate impact

12 12 software.dlr.de TIXI – XML Interface ► Handle CPACS ► Basic XML functions ► Advanced CPACS functions ► Arrays ► Unique Identifiers ► …

13 13 software.dlr.de TIGL – Geometry Library ► Visualization ► Calculation ► Area ► Intersections ► Inner <> Outer ► Export ► STL ► IGES

14 14 software.dlr.de RCE - Remote Computing Environment ► Framework ► Integrated Capabilities ► Distributed

15 15 software.dlr.de References ► T. Zill, D. Böhnke, B. Nagel, V. Gollnick, Preliminary Aircraft Design in a Collaborative Multidisciplinary Design Environment, AIAA Aviation Technology, Integration and Operations Conference, 2011 ► D. Böhnke, B. Nagel, V. Gollnick, An Approach to Multi-Fidelity in Conceptual Aircraft Design in Distributed Design Environments, IEEE Aerospace Conference, 2011 ► D. Böhnke, M. Litz, B. Nagel, S. Rudolph, Evaluation of Modeling Languages for Preliminary Airplane Design in Multidisciplinary Design Environments, DGLR Congress, 2010 ► C. Liersch, M. Hepperle, A Unified Approach for Multidisciplinary Aircraft Design, CEAS European Air and Space Conference, 2009 ► A. Koch, B. Nagel, V. Gollnick, K. Dahlmann, V. Grewe, B. Kärcher, U. Schumann, Integrated analysis and design environment for a climate compatible air transport system, AIAA Aviation Technology, Integration and Operations Conference, 2009

16 Folie 16 software.dlr.de „All models are wrong, but some are useful.“ George E.P. Box

17 Folie 17 software.dlr.de Collaborating DLR Institutes AEAeroelasticity ASAerodynamics and Flow Technology ATPropulsion Technology BKStructures and Designwww.dlr.de/bk/en FAComposite Structures and Adaptive Systems FLFlight Guidance FTFlight Systems FWAir Transport and Airport Research HRMicrowaves and Radar LYAir Transportation Systemswww.dlr.de/ly/en MEAerospace Medicinewww.dlr.de/me/en MFRemote Sensing Technology PAAtmospheric Physicswww.dlr.de/pa/en RMRobotics and Mechatronicswww.dlr.de/rm/en RYSpace Systemswww.dlr.de/irs/en SCSimulation and Software Technologywww.dlr.de/sc/en


Download ppt "CPACS - Common Parametric Aircraft Configuration Schema Daniel Böhnke Air Transportation Systems German Aerospace Center, (DLR)"

Similar presentations


Ads by Google