Dynamic Modeling of Atmospheric Watch Observatory (AWO) Transport by GreenlandInland Traverse (GrIT)

Abstract

The National Science Foundation (NSF) plans to install a new Atmospheric Watch Observatory (AWO) to upgrade its research facilities at Summit Station, Greenland. The AWO welded-steel lower frame exceeds the size and weight limits for airlift transport; therefore, the only option to transport it to Summit is the Greenland Inland Traverse (GrIT) by using the newly developed Air Ride Cargo Sleds (ARCS). The study objectives were to determine whether GrIT can safely transport the AWO structure to Summit Station. The study addressed three assembly cases by estimating the transport-induced stresses and structural deformation by using the finite element method (FEM). The present analyses results strongly suggest that a preassembled AWO can safely travel to Summit via GrIT, which would allow NSF to realize cost and schedule savings.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2018
Accession Number
AD1064204

Entities

People

  • Arnold J. Song
  • James H. Lever

Tags

Communities of Interest

  • C4I
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Assembly
  • Cold Regions
  • Dynamic Response
  • Ecology
  • Engineering
  • Engineers
  • Finite Element Analysis
  • Frequency
  • Greenland
  • Measurement
  • Observatories
  • Polyethylenes
  • Research Facilities
  • Resonant Frequency
  • Simulations
  • Three Dimensional
  • Two Dimensional

Readers

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  • Naval Architecture and Marine Engineering.
  • Polar and Arctic Studies