The NEA Data Bank collects and distributes computer
programs which fall into one of the following subject categories. __Click on the category name__ to access the index to computer categories
by these categories.

A. CROSS SECTION
AND RESONANCE INTEGRAL CALCULATIONS

Computation of reaction cross sections from nuclear theory such as the
optical or Hauser-Feshbach models, resonance cross sections by Breit-Wigner
or multilevel theory, determination of differential cross sections, cross
section evaluation, and compilation programs.

B. SPECTRUM CALCULATIONS, GENERATION
OF GROUP CONSTANTS, LATTICE AND CELL PROBLEMS

Determination of the slowing-down density or thermal spectrum, weighting
and averaging of cross sections and related quantities for the production
of group constants, and evaluation of design parameters by lattice and
cell calculation.

C. STATIC DESIGN STUDIES

Calculation of the reactivity and flux distribution of the reactor system,
and adjustment of the design parameters to prescribed specifications,
i.e. criticality and power distribution search procedures.

D. DEPLETION, FUEL MANAGEMENT, COST
ANALYSIS, AND POWER PLANT ECONOMICS

Includes burnup programs, isotope and fission-product buildup and decay
computations, and optimization studies.

E. SPACE-INDEPENDENT KINETICS

Studies of the time-behaviour of reactors, including delayed-neutron effects
and feedback mechanisms, and transfer-function evaluation.

F. SPACE-TIME KINETICS, COUPLED NEUTRONICS-HYDRODYNAMICS-THERMODYNAMICS
AND EXCURSION SIMULATIONS

Programs that consider spatial design characteristics and accompanying
effects in studying the time behaviour of the reactor.

G. RADIOLOGICAL SAFETY, HAZARD AND
ACCIDENT ANALYSIS

Calculation of the internal and external dose rates, determination of
reactor thermodynamic and hydrodynamic properties following an accident,
e.g. release of radioactive materials, coolant system blow- down, steam
generator rupture.

H. HEAT TRANSFER AND FLUID FLOW

Steady-state and transient heat transfer computations, fluid-flow studies
and calculations of thermodynamic properties.

I. DEFORMATION AND STRESS DISTRIBUTIONS,
STRUCTURAL ANALYSIS, AND ENGINEERING DESIGN STUDIES

Includes fuel-element design evaluations, core-configuration studies,
and composite structure analysis.

J. GAMMA HEATING AND SHIELD DESIGN

Gamma and photon transport calculations, computation of heat- generation
rates and penetration analysis and leakage calculations for shielding.

K. REACTOR SYSTEMS ANALYSIS

Combinations of programs, designed as systems, for solving correlated
problems from several of the categories A through I.

L. DATA PREPARATION

Generation of program parameters--checking, editing, and formatting of
problem input information.

M. DATA MANAGEMENT

Construction, maintenance, and retrieval of data files, e.g. cross section
libraries, management systems such as payroll, personnel, and financial
systems, property and equipment systems, network-oriented project management
and indexing and retrieval systems, etc.

N. SUBSIDIARY CALCULATIONS

Plotting, editing, and display routines that process output data from
other programs.

O. EXPERIMENTAL DATA PROCESSING

Programs designed to process data directly acquired from an experimental
situation or to assist the experimenter in the design of the experiment.

P. GENERAL MATHEMATICAL AND COMPUTING
SYSTEM ROUTINES

Calculation of mathematical functions, statistical analysis, special-language
routines with general data-processing capabilities, and software systems.
Including legacy books or reports on transport theory.

Q. MATERIALS

Measurements and computation of the physical and mechanical properties
of materials, simulation of radiation damage processes, corrosion studies,
and determination of crystallographic functions.

R. ENVIRONMENTAL AND EARTH SCIENCES

Environmental impact studies, geology, seismology, geophysics calculations,
hydrology and ground water studies, bioenvironmental systems analyses,
meteorological calculations relating to the atmosphere and its phenomena,
studies of airborne particulate matter, climatology, etc.

T. ELECTRONICS. ENGINEERING EQUIPMENT,
AND ENERGY SYSTEMS STUDIES

Automated design of electronics equipment, computer-aided design (CAD)
and manufacturing (CAM), process control programs, systems analysis, and
engineering computations for numerically controlled machine tools and
energy consumption analysis in buildings, industry, and transportation.

U. CHEMISTRY

Chemical analysis, mass spectroscopy, radiation chemistry, radiolysis
studies, etc.

V. PARTICLE ACCELERATORS AND HIGH
VOLTAGE MACHINES

Programs relating to the design, development and operation of high- voltage
machines and particle accelerators such as Van de Graaf generators, linear
accelerators, cyclotrons, synchrotrons, etc.

W. PHYSICS

Calculations relating to the theory of atomic or molecular structure or
properties, charged particle collision studies that involve phenomena
such as charge exchange, excitation, ionization, dissociation, etc., elementary
particle theories and models, scattering theory, quantum field theory
and quantum electrodynamics studies, general relativity and gravitation
theory computations.

X. MAGNETIC FUSION RESEARCH

Electric discharge phenomena and plasma physics computations, electrodynamics
and magnetic hydrodynamics studies.

Y. INTEGRAL
EXPERIMENTS DATA, DATABASES, BENCHMARKS

Reactor physics, radiation shielding, criticality, isotopic inventories,
fuel behaviour, validation matrix of thermal-hydraulics codes, etc.

Z. DATA

Data prepared in specified formats for program testing, evaluation, benchmarking
or library use. (see** **also Nuclear Data
Services for basic nuclear data and evaluated nuclear data)