WorldCat Identities

U.S. Air Force. Directorate of Operational Requirements and Development Plans

Overview
Works: 249 works in 254 publications in 1 language and 260 library holdings
Genres: Sources 
Classifications: Q180.A1, 959.7043
Publication Timeline
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Most widely held works by U.S. Air Force. Directorate of Operational Requirements and Development Plans
Rand by Rand Corporation( Book )

4 editions published in 1966 in English and held by 4 WorldCat member libraries worldwide

Cauchy Problem For Fredholm Integral Equations With Kernels of the Form K1(<T-Y>)+K2(T+Y) by Rand Corporation( Book )

3 editions published in 1966 in English and held by 3 WorldCat member libraries worldwide

SCAM: a system support cost analysis model by Richard J Kaplan( Book )

1 edition published in 1970 in English and held by 2 WorldCat member libraries worldwide

The paper gives a description of a computer model designed to assist Air Force planners during the provisioning process, which includes the requirement that every item in a weapon system be evaluated to determine (1) if it should be a spare part, and (2) if and where it should be repaired. SCAM examines four source and maintenance coding alternatives: repair at base only, repair at depot only, repair at both base and depot, and discard. The aggregate cost estimates represent total resource requirements for each alternative for a specified performance level. SCAM can also be useful in analysis of on-going systems to estimate the relative costs of any proposed change in the maintenance posture. The appendixes contain examples of output and the complete JOSS and FORTRAN IV programs for model operation
Documents of an elite Viet Cong Delta unit: the demolition platoon of the 514th Battalion by Rand Corporation( Book )

1 edition published in 1969 in English and held by 2 WorldCat member libraries worldwide

User's Manual For Samson Ii - the Support Availability Multi-System Operations Model by Rand Corporation( Book )

1 edition published in 1964 in English and held by 2 WorldCat member libraries worldwide

Proof of the Basic Invariant Imbedding Method For Fredholm Integral Equations With Displacement Kernels-2 by Rand Corporation( Book )

1 edition published in 1970 in English and held by 2 WorldCat member libraries worldwide

Heawood Map-Coloring Problem - Cases 3,5,6, and 9. Part -2 by Rand Corporation( Book )

1 edition published in 1969 in English and held by 2 WorldCat member libraries worldwide

Heawood Map-Coloring Problem - Cases 1,7, and 10. Part -1 by Rand Corporation( Book )

1 edition published in 1969 in English and held by 2 WorldCat member libraries worldwide

Toroidal and poloidal field representation for convective flow within a sphere by Michael Sherman( Book )

1 edition published in 1965 in English and held by 1 WorldCat member library worldwide

A method for determining the onset of convection in a fluid confined within a sphere and heated from below. The velocity field is analyzed in terms of toroidal and poloidal fields, expressed in spherical Bessel functions and spherical harmonics, which have certain orthogonality properties that are useful in treating convective flow problems within spheres. The utility of this representation is demonstrated by considering the stability of a nonuniformly heated fluid in a spherical cavity. A variational principle is presented, equivalent to the eigenvalue problem for the critical Rayleigh number (the stability criterion). This principle forms the basis for an approximate method of determining upper bounds to the critical Rayleigh number. It is found that a class of three-dimensional disturbances is more unstable than either the simplest poloidal (axisymmetric) disturbance mode or the simplest toroidal (two-dimensional) disturbance mode. The numerical results are compared with previously published analyses. (Author)
Internationalism, security, and legitimacy : the challenge to Soviet interests in East Europe, 1964-1968 by Fritz Ermarth( Book )

1 edition published in 1969 in English and held by 1 WorldCat member library worldwide

The purpose of the study is to outline the East Europe communist record from 1964 to 1968 and to make some tentative predictions about the future of Soviet relations with East Europe, which appear to follow from it. It is asserted that the Soviet leadership's view of its interests in East Europe encompasses the Soviet concepts of internationalism, security, and legitimacy
Intensity of radiation from a Rayleigh-scattering atmosphere by Anne B Kahle( Book )

1 edition published in 1966 in English and held by 1 WorldCat member library worldwide

Theoretically derived values of the directional intensity of radiation emerging from both the top and the bottom of a Rayleigh scattering atmosphere are presented graphically. The model assumes a plane-parallel atmosphere illuminated by the sun, with either a completely absorbing planetary surface or Lambert ground reflection. By using Mullikin's and Sekera's recent modification of Chandrasekhar's radiative-transfer theory, the intensities were obtained for much larger values of the optical thickness of the atmosphere than was previously possible. These intensities are given for a wide range of optical thicknesses, solar zenith angles, and directions of emergence. (Author)
Communist China's petroleum situation by K. C Yeh( Book )

1 edition published in 1963 in English and held by 1 WorldCat member library worldwide

Available data are given on the production, imports, and consumption of petroleum in Communist China in 1949-60. Prospects of expanding indigenous production and reducing dependence on imports from the Soviet Union are discussed. Some findings are Communist China's output of crude oil increased by more than ten times in the past decade; the petroleum industry has made extremely rapid progress, but the absolute level of production still falls short of meeting domestic demand. In 1960, about one-half of the total supply of major petroleum products came from the Soviet Union, but this proportion is steadily declining. Total supply in absolute terms -- some 5 million tons in 1960 -- is still very small for an economy of China's size; in per-capita terms it is miniscule by the standard of developed economies. Clearly, this is one area in which Soviet trade policy could have serious consequences for China's future petroleum development. A cut in Soviet exports of petroleum and equipment would leave China in a position where current and near-future domestic supplies of petroleum would be insufficient to meet expected, or even normal, demand. Consequences of such action are discussed. (Author)
Optimum control of linear, sampled data systems with inaccessible state variables by J. G Root( Book )

1 edition published in 1966 in English and held by 1 WorldCat member library worldwide

Some new results in the optimum control of linear systems with respect to a quadratic performance criterion are given. It is assumed that the system is subject to additive random disturbances and that some state variables cannot be measured or can only be measured with additive noise. It is well known that when the disturbance and noise are normal random variables, the optimum controller is a linear function of the minimum mean squared estimates for the state variables. In this study the result is shown to hold without qualification. (Author)
Flux equivalences among Rayleigh, isotropic, and other scattering models by H. H Natsuyama( Book )

1 edition published in 1965 in English and held by 1 WorldCat member library worldwide

High-precision numerical methods are used to find the transmitted and reflected fluxes for conservative isotropic scattering and Rayleigh scattering, for a wide range of slab thicknesses. Idealized models are then used to derive simple analytical expressions. These expressions are evaluated numerically, and the results are compared against the earlier calculations. The fluxes from all models are in excellent agreement with the high-precision calculations for all optical thicknesses from zero to fifty, indicating that the formulas derived provide very good approximations to the diffusely reflected fluxes. It is also shown that the external fluxes are virtually independent of the nature of the local scattering law for the cases considered
Semi-Markov processes; a primer by Bennett L Fox( Book )

1 edition published in 1968 in English and held by 1 WorldCat member library worldwide

Marrying renewal processes and Markov chains yields semi-Markov processes; the former are special cases of the latter. This expository Memorandum outlines some of the main properties of the union
Values of Non-Atomic Games, Part I - the Axiomatic Approach by Rand Corporation( Book )

1 edition published in 1965 in English and held by 1 WorldCat member library worldwide

The economics of nuclear reactors for power and desalting by William Edwin Hoehn( Book )

1 edition published in 1965 in English and held by 1 WorldCat member library worldwide

An evaluation is made of the prospects of nuclear power plants and dual-purpose nuclear power-desalting plants in various foreign countries, based on an analysis of present and prospective nuclear and conventional economics. A broad assessment of trends in U.S. prices and costs forms the basis for much of the evaluation. Major uncertainties still exist in forecasting future capacity and estimating nuclear generating costs, and costs of dual-purpose plants, both here and abroad. In less-developed countries, these uncertainties are compounded by technological difficulties associated with small, undercapitalized, and poorly interconnected utility systems. When alternative generating methods for underdeveloped countries are considered, the feasibility of nuclear power becomes doubtful. Economic feasibility studies undertaken by impartial organizations are needed to determine whether nuclear power is a rewarding area for U.S. economic assistance. (Author)
A FORTRAN programmer's introduction to SIMSCRIPT II by Herbert J Shukiar( Book )

1 edition published in 1969 in English and held by 1 WorldCat member library worldwide

This study is intended to introduce the FORTRAN programmer to some of the main concepts and features of the first three levels of SIMSCRIPT II--the levels which constitute an algebraic compiler. Emphasis is on the power and flexibility that SIMSCRIPT gives the programmer. Among the distinctive features are (1) the SIMSCRIPT preamble; (2) the preamble statements, such as NORMALLY, DEFINE, DEFINE TO MEAN; (3) the fact that any number of conditional expressions can be executed if a logical condition is met; (4) the ability to reread the same records in different formats. Unlike FORTRAN, SIMSCRIPT passes argument values rather than argument locations between subprograms. The method of constructing arrays is radically different. The SIMSCRIPT programmer can conserve core storage, construct ragged tables, generate tree structures, and do list processing with relative ease, and his programs can be read rather than deciphered. (Author)
A zero-one programming approach to scheduling with limited resources by A. Alan B Pritsker( Book )

1 edition published in 1965 in English and held by 1 WorldCat member library worldwide

A zero-one linear programming formulation of scheduling problems that is more versatile and efficient than any other known LP formulation. It is the first formulation designed to accommodate multiple resource constraints. Bowman's formulation can be extended to do so, but in a sample comparison, it required 72 variables and 125 constraints for a 3-project, 8-job, 3-resource problem compared with 33 variables and 48 constraints for the new formulation. The new method also showed substantial improvement when compared with schedules based on two common dispatching rules: first-come-first-served and earliest-completion-date. Execution time on an IBM 7044, using the Geoffrion computer code was 3 seconds. Other objective functions are formulated in the study and additional constraints are modeled. Examples of larger problems rewritten for standard LP computer codes showed that the number of variables and constraints involved are probably within no more than one order-of-magnitude of the maximum number that could be handled with available zero-one computer codes. (Author)
Inverse functions of the products of two Bessel functions by W Sollfrey( Book )

1 edition published in 1968 in English and held by 1 WorldCat member library worldwide

A simple, general method is given for calculating the inverse operator of the product of two spherical (or cylindrical) Bessel functions, as needed for input into an integral expression to determine atmospheric potential from signal phase shift
 
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English (25)