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  Partner: UNT Libraries Government Documents Department
 Collection: Technical Report Archive and Image Library
Software for Estimating Sparse Jacobian Matrices

Software for Estimating Sparse Jacobian Matrices

Date: July 1982
Creator: Coleman, Thomas F. & Moré, Jorge J.
Description: In many nonlinear problems it is necessary to estimate the Jacobian matrix of a nonlinear mapping F. In large scale problems the Jacobian of F is usually sparse, and then estimation by differences is attractive because the number of differences can be small compared to the dimension of the problem. For example, if the Jacobian matrix is banded then the number of differences needed to estimate the Jacobian matrix is, at most, the width of the band. In this paper we describe a set of subroutines whose purpose is to estimate the Jacobian matrix of a mapping F with the least possible number of function evaluations.
Contributing Partner: UNT Libraries Government Documents Department
Soil Mechanics Design: Stability of Slopes and Foundations

Soil Mechanics Design: Stability of Slopes and Foundations

Date: April 1967
Creator: Waterways Experiment Station (U.S.)
Description: Report providing comprehensive descriptions of design methods for analyzing the stability of slopes and foundations.
Contributing Partner: UNT Libraries Government Documents Department
A Solar District-Heating System Using Seasonal Storage for the Charlestown, Boston Navy Yard Redevelopment Project

A Solar District-Heating System Using Seasonal Storage for the Charlestown, Boston Navy Yard Redevelopment Project

Date: September 1982
Creator: Breger, Dwayne
Description: A preliminary analysis is presented for a seasonal storage solar heating system for the Charlestown Navy Yard in Boston, Massachusetts. The area occupies a prominent location in the Boston Harbor and is being redeveloped for residential and commercial use. The system makes use of two large, buried concrete storage tanks totaling 5700 cubic meters as a water heat store. Other storage facilities, including a dry dock, offer additional solar opportunities for the navy Yard as the redevelopment progresses. The analysis makes extensive use of MINSUN, a computer performance and economic simulation routine written specifically for solar seasonal storage systems. The system performance and economics are analyzed for different collector types and areas, component costs, exogenous economic conditions, and optional inclusion of a heat pump. System cost-effectiveness is defined in relation to an economic break-even situation with respect to a conventional system, and is presented in terms of a solar premium, which is the incremental cost for the solar system per MWH of conventional fuel displaced. The additional analysis and design considerations necessary before an implementation phase are outlined. System implementation is discussed in terms of the roles of the various parties involved and funding/financing possibilities.
Contributing Partner: UNT Libraries Government Documents Department
Solar Energy Program Annual Report:1978

Solar Energy Program Annual Report:1978

Date: February 1979
Creator: Argonne National Laboratory
Description: Annual report of the Solar Energy Program describing work in solar energy collection, heating and cooling, thermal energy storage, ocean thermal energy conversion, photovoltaics, satellite power systems, bioconversion, central receiver solar thermal power, and wind energy conversion.
Contributing Partner: UNT Libraries Government Documents Department
The Solar Spectrum 2935 Å to 8770 Å :  Second Revision of Rowland's Preliminary Table of Solar Spectrum Wavelengths

The Solar Spectrum 2935 Å to 8770 Å : Second Revision of Rowland's Preliminary Table of Solar Spectrum Wavelengths

Date: December 1966
Creator: Moore, Charlotte E.; Minnaert, M. G. J. & Houtgast J.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Solid State Division Annual Progress Report for Period Ending August 31, 1957

Solid State Division Annual Progress Report for Period Ending August 31, 1957

Date: November 26, 1957
Creator: Billington, D. S. & Crawford, J. H., Jr.
Description: Report issued by the Oak Ridge National Laboratory discussing annual progress made by the Solid State Division. Work and research progress made during 1957 is presented. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Solid State Division Annual Progress Report, May 31, 1964

Solid State Division Annual Progress Report, May 31, 1964

Date: October 1964
Creator: Oak Ridge National Laboratory. Solid State Division.
Description: Report containing ongoing research and development of the Solid State Division of the Oak Ridge National Laboratory.
Contributing Partner: UNT Libraries Government Documents Department
Solid State Division Semiannual Progress Report, August 30, 1955

Solid State Division Semiannual Progress Report, August 30, 1955

Date: 1955~
Creator: Oak Ridge National Laboratory. Solid State Division.
Description: Report containing papers, publications, and announcements from the Solid State Division of the Oak Ridge National Laboratory.
Contributing Partner: UNT Libraries Government Documents Department
Solid State Division Semiannual Progress Report, February 29, 1956

Solid State Division Semiannual Progress Report, February 29, 1956

Date: 1956
Creator: Oak Ridge National Laboratory. Solid State Division.
Description: Report documenting the ongoing research and developments of the Solid State Division of the Oak Ridge National Laboratory. Contains related papers and other publications.
Contributing Partner: UNT Libraries Government Documents Department
Solid State Division Semiannual Progress Report for Period Ending August 30, 1956

Solid State Division Semiannual Progress Report for Period Ending August 30, 1956

Date: December 17, 1956
Creator: Billington, D. S. & Crawford, J. H., Jr.
Description: Report issued by the Oak Ridge National Laboratory discussing semiannual progress made by the Solid State Division during 1956. Descriptions of progress and studies made are presented. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department