Verification and Validation of the Spring Model Parachute Air Delivery System in Subsonic Flow

Abstract

A mesoscale spring-mass model is used to mimic fabric surface motion. Through coupling with an incompressible fluid solver, the spring-mass model is applied to the simulation of the dynamic phenomenon of parachute inflation. Our model is shown to be numerically convergent under the constraints that the summation of points masses is constant and that both the tensile stiffness and the angular stiffness of the spring conform with the material's Young modulus and Poisson ratio. Complex validation simulations conclude the effort via drag force comparisons with experiments.

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Document Details

Document Type
Technical Report
Publication Date
Feb 27, 2015
Accession Number
ADA623612

Entities

People

  • Xiaolin Li

Organizations

  • State University of New York

Tags

Communities of Interest

  • C4I
  • Energy and Power Technologies
  • Human Systems

DTIC Thesaurus Topics

  • Algorithms
  • Applied Mathematics
  • Boundary Layer
  • Computational Fluid Dynamics
  • Computational Science
  • Equations
  • Fluid Dynamics
  • Fluid Mechanics
  • Geometry
  • Graphics Processing Unit
  • Mathematical Models
  • Mechanical Properties
  • Mechanics
  • Modulus Of Elasticity
  • Parachute Canopies
  • Reynolds Number
  • Students

Readers

  • Computational Fluid Dynamics (CFD)
  • Control Systems Engineering.
  • Mechanical Engineering/Mechanics of Materials.