A Code for Aircraft Survivability, Analysis - Gamma and Neutron Effects

Abstract

The report presents a code, developed by the author, that predicts neutron and gamma fluences (or does), including neutron induced gammas, in an exponential atmosphere for burst altitudes between 7 and 100 kilometers. The problem was solved by using the diffusion equation, with separation of virgin and scattered particles, in a nonorthogonal coordinate system. The diffusion equation in this coordinate system was approximated by a nine point difference equation and the resulting matrix equation was solved by use of a block tri- diagonal algorithm. The resulting computer code, in FORTRAN Extended, was written to calculate the survivability of up to 100 aircraft or space vehicles in addition to the calculation of fluences (doses).

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1972
Accession Number
AD0746015

Entities

People

  • Robert D. Mclaren

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Aircrafts
  • Algorithms
  • Computers
  • Coordinate Systems
  • Difference Equations
  • Diffusion Coefficient
  • Engineering
  • Equations
  • Fission Weapons
  • Fusion Weapons
  • Height Of Burst
  • Neutron Spectrum
  • Nuclear Weapons
  • Radiation
  • Radiation Shielding
  • United States

Readers

  • Computer Science.
  • Fluid Dynamics.
  • Solar Physics

Technology Areas

  • Space