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    3. AIAA Organization Overview

    4. AIAA Organizational Structure Board of Directors - Detail

    5. AIAA Organization Overview

    6. AIAA Organizational Structure Technical Activities Committee

    7. Technical Committees AEROSPACE SCIENCES Aeroacoustics Technical Committee Aerodynamic Decelerator Systems Technical Committee Aerodynamic Measurement Technology Technical Committee Aerospace Sciences Group Applied Aerodynamics Technical Committee Astrodynamics Technical Committee Atmospheric and Space Environments Technical Committee Atmospheric Flight Mechanics Technical Committee Fluid Dynamics Technical Committee Guidance, Navigation & Control Technical Committee Plasmadynamics & Lasers Technical Committee Thermophysics Technical Committee AIRCRAFT AND AIR TRANSPORTATION SYSTEMS Air Transportation Systems Technical Committee Aircraft Design Technical Committee Aircraft Operations Technical Committee Balloon Systems Technical Committee Flight Testing Technical Committee General Aviation Systems Technical Committee Lighter-than-Air Systems Technical Committee Product Support Technical Committee V/STOL Aircraft Systems Technical Committee

    8. Technical Committees ENGINEERING & TECHNOLOGY MANAGEMENT Economics Technical Committee History Technical Committee Legal Aspects Aero & Astro Technical Committee Management Technical Committee Multidisciplinary Design Optimization Technical Committee Society & Aerospace Tech Technical Committee Systems Engineering Technical Committee Technical Information Technical Committee INFORMATION SYSTEMS Communications Systems Technical Committee Computer Systems Technical Committee Digital Avionics Technical Committee Information and Command & Control Systems Technical Committee Intelligent Systems Technical Committee Sensor Systems Technical Committee Software Systems Technical Committee

    9. Technical Committees PROPULSION & ENERGY Aerospace Power Systems Technical Committee Air Breathing Propulsion Technical Committee Electric Propulsion Technical Committee Energetic Components & Systems Technical Committee Hybrid Rockets Technical Committee Liquid Propulsion Technical Committee Nuclear & Future Flight Propulsion Technical Committee Propellants & Combustion Technical Committee Propulsion and Energy Group Solid Rockets Technical Committee Terrestrial Energy Systems Technical Committee SPACE & MISSILES Life Sciences & Systems Technical Committee Microgravity & Space Processes Missile Systems Technical Committee Space & Missiles Group Space Automation & Robotics Technical Committee Space Colonization Technical Committee Space Logistics Technical Committee Space Operations & Support Technical Committee Space Systems Technical Committee Space Tethers Technical Committee Space Transportation Technical Committee Weapon System Effectiveness Technical Committee

    10. Technical Committees STRUCTURES, DESIGN & TEST Adaptive Structures Technical Committee Computer-Aided Enterprise Solutions Technical Committee Design Engineering Technical Committee Ground Testing Technical Committee Materials Technical Committee Meshing, Visualization, and Computational Environments Technical Committee Modeling & Simulation Technical Committee Structural Dynamics Technical Committee Structures Technical Committee Survivability Technical Committee

    11. Program Committees in TAC Aerospace Traffic Management Energy Optimized Aircraft and Equipment Systems Gossamer Spacecraft Homeland Security HyTASP Netcentric Operations Reusable Launch Vehicles Space Exploration Space Station Unmanned Systems Value Driven Design

    12. Important Standing Committees Standing committees handle the normal course of activity (non-technical) for AIAA. There are 20 Standing committees which report through various chains at the board of director level. Several of the standing committees that GTTC interacts with more frequently are described in the following pages (source AIAA website).

    13. Important Standing Committees

    14. Important Standing Committees

    15. Important Standing Committees

    16. GTTC Objectives, Membership, and Major Tenets Objectives Advance the state-of-the-art and technologies associated with ground testing and ground testing facilities Technical Conferences Student Engineering Competition Ground Testing Award Outstanding Paper Awards Aerospace America articles Working Groups AIAA Standards, Guides, and Recommended Practices Technical Short Courses White Papers Liaisons

    17. Objectives, Membership, and Major Tenets (cont) Membership Diverse membership spanning government, industry, and academia Major Tenets Impact Ownership and involvement Distributed leadership Communication Mentoring Liaisons Have Fun!!!

    18. Special Items Working Groups focusing on technical issues TC logo Associate members, International members National award New member orientation and mentoring Member recognition - letters to management Participation certificates Ownership Ownership Ownership

    19. GTTC Website Excellent reference for all GTTC information: Subcommittee and Working Group charters Duties and Responsibilities Current members names, addresses, and phone numbers Ground Testing Award recipients GTTC meeting chronology GTTC membership history Linked to AIAA website

    20. Organizational Structure Chair Mark Melanson

    21. Steering Committee Chair: GTTC Chair (Mark Melanson) Vice-Chair: GTTC Vice-Chair (David Cahill) Membership: Chairs and Vice Chairs of Primary and Task SCs Objectives: Review policy, AIAA business, and all matters of global interest to the GTTC Regarding policy changes, makes recommendations to the GTTC for review, discussion, debate, and vote Provides topics/issues/questions to be discussed at subsequent subcommittee meetings Maintain status of action items between conferences Provide the bulk of administrative effort for TC Structure: Membership includes the GTTC Chair, Vice-Chair, and Secretary, Chairs of the Aerodynamics and Propulsion Subcommittees, and the Chair of the Conference Planning Subcommittee

    22. Membership Subcommittee Chair: GTTC Vice-Chair (David Cahill) Vice-Chair: GTTC Secretary (Joe Patrick) Objectives: Provide focal point for new membership nominations and selection Ensure needs of GTTC subcommittees are satisfied Looks for participants, not just attendees Ensures new members are indoctrinated Structure: Membership includes the GTTC Secretary and the Vice-Chairs of the Aerodynamics and Propulsion Subcommittees, as well as an appointed International Member. Application screening and new membership selections are made at the January meeting each year in Reno New members are assigned mentors and an orientation briefing is provided at the GTTC summer meeting

    23. Subcommittees GTTC members required to serve on either Aerodynamics or Propulsion subcommittee Distributes membership according to discipline and/or interests Membership on other task subcommittees is voluntary but we need active participation by all members in at least 3 subcommittees (primary and task combined)! Structure: Vice-Chair elected by subcommittee members at winter meeting Vice-Chair assumes position at summer meeting, serves 1 year term Vice-Chair assumes Chair position at following summer meeting

    24. Aerodynamics Subcommittee Chair: Andy Garrell Vice-Chair: David Dress Objectives: Promote advancement of aerodynamic ground testing technology Serve as liaison to other AIAA and non-AIAA organizations Provide forum for discussion and establishment of aerodynamics-related working groups

    25. Propulsion Subcommittee Chair: Harry Clark Vice-Chair: Ray Castner Objectives: Support technical conferences, symposia, and courses Conference Planning/Session Chairs/Invited papers and sessions Encourage development and dissemination of new technology in propulsion ground testing including improvements in cost effectiveness and flexibility Promote development of improved standard methodologies Provide information and consultation on ground testing

    26. Awards Subcommittee Chair: Brad Messer Vice-Chair: Mike Hooser Objectives: Manage the selection of recipient for annual Ground Testing Award Manage the review of conference papers for Outstanding Paper awards Support AIAA membership upgrades for GTTC members

    27. Conferences Subcommittee Chair: Jerry Kegelman Vice Chair: Steve Dunn Objectives: Coordinate activities to support GTTC conferences Joint AMT-GT Conference (even years - summer) Joint Propulsion Conference (odd years - summer) Annual Aerospace Sciences Meeting and Exhibit (January) Coordinate USAF T&E Days participation (currently a year-to-year decision)

    28. AIAA Aerodynamic Measurement Technology and Ground Testing Conference Objectives: Take advantage of synergy between AMT and GT Understand requirements and capabilities of both TCs Transfer of technology and ideas Provide forum for discussing issues and solutions Past Structure: Open conference with plenary sessions to set tone Sessions chaired jointly by AMT and GT members Each session built around several invited papers and include period for open discussion Session chairs have ownership for their sessions Wrap-up session summarize key issues and recommendations

    29. Publications Subcommittee Chair: Jack Schlank Vice Chair: Steve Dunn Objectives: Publish GTTC Newsletter twice a year and distribute at conferences Manage GTTC website Develop article for Aerospace America December Highlights issue Liaison to the Journal of Aircraft

    30. Education & Student Activities Subcommittee Chair: Phil Stich Vice Chair: Justin Smith Objectives: Provide outreach to future ground testers Briefings to student chapters and other groups Maintain briefing materials GTTC sponsored Short Courses Provide GTTC poster boards for conferences Support AIAA student activities Provide GTTC Mentor process and New Member Orientation training

    31. Standards Subcommittee Chair: Trevor Bender Vice Chair: John Henfling Objectives: Further develop AGARD standard for Experimental Uncertainty Encourage new applications of methodology Disseminate techniques and increase awareness Maintains all of the GTTC published documents Status: Published S-071-1995, Assessment of Experimental Uncertainty with Application to Wind Tunnel Testing based on AGARD AR-304 Updated and republished as S-071A-1999 Published G-045-2003 Assessing Experimental Uncertainty-Supplement to AIAA S-071A-1999 provides detailed examples on uncertainty estimation

    32. GTTC Working Groups Established to address technical needs in aerospace ground testing community Provide forum for discussion and the development of solutions and standardization Not a continuous activity - each working group identifies a specific goal or product that will be developed Typically an AIAA Standard, Guide, Recommended Practice, or Special Project Report Anticipate each working group to exist for 4-10 years Must be chaired by GTTC member Membership includes both GTTC and non-GTTC and non-AIAA Meetings held to coincide with GTTC meetings Lessons Learned developed to provide How To guidelines for new working groups

    33. Working Group Development Working Groups work together to integrate activities: Share lessons learned and coordinate meeting schedules Working Group development guidelines Showcased development and products Working Groups are continually being established Current Working Groups: Flow Quality Thrust Stand (disbanded) Wind Tunnel Nomenclature Dynamic Wind Tunnel Testing (disbanded)

    34. Recent GTTC Working Group Products Internal Balances Technology and Calibration Working Group AIAA Recommended Practice for Calibration and Use of Internal Strain-Gage Balances with Application to Wind Tunnel Testing, (R-091-2003) Test Processes Working Group AIAA Recommended Practice for Wind Tunnel Testing Part 1 (R-092-1-2003) AIAA Recommended Practice for Wind Tunnel Testing Part 2 (R-092-2-2003) Wind Tunnel Calibration Methodology Working Group AIAA Recommended Practice for the Calibration of Subsonic and Transonic Wind Tunnels (R-093-2003) Other Products: Assessment of Experimental Uncertainty with Application to Wind Tunnel Testing (S-071A-1999) AIAA Guide to Assessing Experimental Uncertainty - Supplement to S-071A-1999 (G-045-2003)

    35. Wind Tunnel Flow Quality Working Group Chair: Mark Kammeyer Objectives: Develop best practices and/or standards on the measurement and reporting of unsteady or fluctuating flow parameters related to wind tunnel testing Status: Soliciting input from experts on unsteady flow characterization Developing set of common practices on the measurement of unsteady flow parameters Turbulence Acoustics Pressure Ultimate goal is to create a summary document of the best practices

    36. Wind Tunnel Nomenclature Working Group Chair: Dave Cahill Vice-Chair: Peter Wilcox Secretary: Cliff Obare Objectives: Develop a set of standard nomenclature (symbols and definitions) for wind tunnel conditions and steady-state wind tunnel data Status: Working Group proposed in June 2002 Officially chartered as a GTTC Working Group in January 2003 Currently finalizing nomenclature information Developing a draft AIAA Standard defining the nomenclature to be used for steady-state wind tunnel testing

    37. Focus Groups Operate independently from the GTTC No requirement of shared membership (although allowed and encouraged) No requirement to co-locate meetings with the GTTC (although allowed) Independent charters Primary function is sharing of information within GT community Free exchange of ideas, lessons learned, technical knowledge exchange Meet two times per year at a member organizations site Allows for tours and sharing of information via presentations and informal papers Information is kept within the Focus Group, but may be made available to the GTTC Communications with GTTC through liaisons Representatives welcome to attend the GTTC meetings Current Focus Groups: Turbine Engine Test Working Group Space Simulation Working Group U.S. Industry Test Facilities Working Group

    38. Focus Groups (cont) May be called on to support GTTC activities Conference sessions, working groups, etc If a Focus Group wants to produce a formal deliverable (standard, recommended practice, guide, or white paper) Formal WG can be established under the GTTC Work can be completed by the Focus Group Approval of any deliverable must be granted by the GTTC Formation Similar to the formation of a Working Group Establish need, core membership set Charter must be drafted and presented GTTC membership will vote on sponsorship Sponsorship reviewed by the GTTC every four years (or sooner if required) Focus Group can be dropped from the GTTC

    39. GTTC Member Expectations Stay in communication: Attend your appropriate Subcommittee/Working Group meetings (reference matrix in roster workbook) Notify TC and Subcommittee Chairs if you are unable to attend Notify GTTC Secretary of changes in phone, email, etc. Participate actively: In at least three Subcommittees (again, primary + two task) Be a major contributor/leader of at least one of these activities How do you select you areas of participation? Go to meetings Subcommittees (all or most) to find out what goes Working groups that have some interest to you JUMP RIGHT IN! Dont expect to wait until you are comfortable!

    40. GTTC Member Expectations (cont) Provide annual support as: Conference Session Chair Reviewer for Outstanding Papers / Best Paper GTTC Mentor Contributor to GTTC Newsletter Contributor to AIAA Highlights article When the opportunity arises: Submit TC nominations Invite technical papers or plan technical sessions Submit Ground Testing Award nominations

    41. Concluding Remarks GTTC is an energetic and involved TC. Future success relies on commitment and involvement of all members*. Fresh ideas are always welcome to make the GTTC better. * We can and do remove members that dont show and dont participate.

    42. Magnified Fine Print * We can and do remove members that dont show and dont participate