Structures Sybsystem Progress Report 09/08/95 - A&M
To: Participants of WORLD-M

From: Texas A&M Structures Team

Re: Weekly Report for September 4-8

Accomplishments:

Task Completion Date
Need Statement, Need Analysis, and Function Structure for Structures 9/8
Structures Requirements 9/15
3 Conceptual Designs (with drawings) 9/29
Trade Studies and Design Selection 10/6
Conceptual Design Complete with Intergraph solid modeling 10/13
Conceptual Design Report Complete 10/20

To contact any member of the Texas A&M Structures team:

Name Phone Number E-mail
Ronny Baccus (409) 693-9164 rbaccus@acs.tamu.edu
Matt Durocher (409) 696-2791 mgd6753@zeus.tamu.edu
Elizabeth Kuttesch (409) 847-8349 eck7037@zeus.tamu.edu
Cynthia Halim (409) 696-5801 c0h5790@zeus.tamu.edu

Function Structure Outline (Structures)

  1. Provide support and withstand loads
    1. Engine thrust loads
    2. Acceleration loads
    3. Vibration and acoustic loads
    4. Thermal expansion loads
    5. Internal pressure loads
    6. Provide environmental protection for subsystems and payload
      1. Oxidation protection
      2. Humidity protection
      3. Vibration and acoustic protection
      4. Radiation protection (with thermal group)
      5. Magnetic field (shielding components)
      6. Micrometeorite protection
      7. Lunar dust contamination prevention
      8. Outgassing prevention
    7. Provide interfaces with all subsystems
      1. Lander GN&C
        1. Provide mounting, support and volume for effectors
        2. Provide mounting, support and volume for sensors
        3. Provide mounting, support and volume for computers and/or controllers
      2. Electric power
        1. Provide mounting, support and volume for electric generators and batteries
        2. Provide mounting, support and volume for solar arrays
        3. Allow for compaction of solar arrays
      3. Communication
        1. Provide mounting, support and volume for antenna
        2. Provide mounting, support and volume for communications electronics
        3. Allow for actuation of antenna
      4. Propulsion
        1. Provide mounting and separation from Delta II
        2. Provide mounting, support and volume for fuel tanks
        3. Provide mounting, support and volume for main engine
        4. Provide mounting, support and volume for plumbing
      5. Landing Gear
        1. Provide mounting and support for landing legs
        2. Allow for actuation of landing legs
      6. Payload
        1. Provide mounting, support and volume for oxygen production plant
        2. Provide for rover deployment
    Questions and Info Needed

    Interfaces:

    1. Volume needed for all interfaces
    2. Location and definition of all interfaces
    3. Antenna type
    4. Antenna mounting
    5. Boom or arm needed
    6. Solar array type
    7. Solar array mounting
    8. Info on lander main engine (type, size, etc.)
    9. Info on moon rover and soil collection (type, size, etc.)
    10. Isolation for power supply
    Payload:
    1. Volume needed for all payloads
    2. Environmental protection considerations for all payloads
      1. vibration and acoustics
      2. allowable loads
      3. radiation
    3. Location and orientation for all payloads


    Buttons

    11 September 95
    Comments to: author