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.
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.
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.
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.
EXPERIMENTS DATA, DATABASES, BENCHMARKS
Reactor physics, radiation shielding, criticality, isotopic inventories, fuel behaviour, validation matrix of thermal-hydraulics codes, etc.
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)