New Finite Element/Multibody System Algorithm for Modeling Flexible Tracked Vehicles

Abstract

Integration of large displacement FE/MBS algorithms is necessary for the development of efficient and detailed tracked vehicle models. ANCF finite elements allow for the development of new FE meshes that have linear connectivity and constant inertia. Dependent variables can be systematically eliminated at a preprocessing stage (no need for joint formulation in the MBS code). The constant inertia allows for the development of an optimum sparse matrix structure of the equations of motion. The new concept was demonstrated using a chain example.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 2011
Accession Number
ADA548044

Entities

People

  • Abdel-nasser A. Mohamed
  • Ahmed A. Shabana
  • Ashraf M. Hamed
  • Mike Letherwood
  • Paramsothy Jayakumar
  • Ulysses Contreras

Organizations

  • United States Army Tank Automotive Research, Development and Engineering Center

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Algorithms
  • Centrifugal Force
  • Computer Programs
  • Demographic Cohorts
  • Displacement
  • Engineering
  • Equations
  • Equations Of Motion
  • Ground Vehicles
  • Information Operations
  • Mathematics
  • Models
  • Simulations
  • Sparse Matrix
  • Systems Engineering
  • Tracked Vehicles
  • Vehicles

Readers

  • Control Systems Engineering.
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)