# Equations for Plate-Beam Systems in Transverse Bending

*Recurrent equations for combined plate-beam systems are derived on basis of discrete model that has previously been shown to be finite difference analog of continuum model of plate; equations...*

Electronic Analog Computers for Laminar Flow Problems

*Simple technique is presented for use of electronic analog computer to determine velocity distributions in both steady and unsteady uniform laminar flow problems; 3 specific examples are...*

Moment-Distribution Constants from Cardboard Analogs

*Simple graphics are used to lay out cardboard templates whose ordinates, areas, and their centroidal distances represent significant parameters of constants sought; template areas are...*

Arch Dam Analysis with an Electric Analog Computer

*Electrical analogy that simulates elastic deformations of arch dams is described; analogy consists of resistors, transformers, and current generators; results of analog computer analysis...*

Computer Applications in Groundwater Hydrology

*Four problems were programmed for use on general purpose computer (1) drawdown computation, (2) aquifer constants T and S , (3) well spacing, and (4) capacity of well system; first two...*

Electric Analog for Triangulation Adjustment

*Various methods based on principle of electric analogy for triangulation adjustment problems are suggested; it is shown that for triangulation involving eight angle equations and two side...*

Electrical Analog Computer for Limit Design of Structures

*Description of special purpose computer capable of minimizing linear function subject to large numbers of linear inequalities; description is based on customary n-space geometric analogy;...*

White Noise Representation of Earthquakes

*White-noise source used in conjunction with analog computer is convenient method of analyzing structures subjected to complex ground motions and of assigning probabilities to deformations...*

Aircraft Structural Analysis on an Analog Computer

*Technique of using electric analogs with passive elements to represent elastic structures; application to complex, highly redundant aircraft structures; examples of structural analyses...*

Electrical Energy Analogs of Vibrating Beams

*For passive-element electrical analog of finite increment of beam vibrating in flexure, improvements over conventional form of circuit are found by making explicit use of energy as analogous...*

Pipeline Instrumentation and Telemetering Systems

*Basic elements required in measurement, control and telemetering systems; digital telemetering systems, use of which makes available to computer, data that is easily two to three times...*

An Eclectic Analog Model of a Tidal Estuary

*500 mi of channel in Delta Region, California, now subject to seawater encroachment, may be protected by salinity barriers and master levee system; electric analog model developed at University...*

Applications of Electrical Analogs of Static Structures

*Study based on previous investigations of similarities between elastic energy in structures and power in electrical networks; treatment of 3-dimensional frames and of structures containing...*

Electrical Analog for Earthquake Yield Spectra

*Electrical analogue has been designed to simulate damped single degree of freedom for elasto-plastic structure subjected to earthquake; yield displacement spectra of 1940 El Centro, Calif,...*

Mechanical Analogs Aid Graphical Flood Routing

*Graphical techniques for routing directly on plotted hydrograph charts discussed for case of simple, linear storage discharge function, Muskingum equation, linear storage function in conjunction...*

Model Approach to a Groundwater Problem

*Use of models to determine directions of flow, velocities, location of hydraulic divides, and to forecast conditions which may occur in future; electric analog plotter and hydraulic model...*

Digital Computers for Pipeline Network Analysis

*Description of equipment and procedure used in analysis of water distribution systems; advantages and disadvantages of digital and analog (McIlroy) computers as they apply to distribution...*

An Analog Computer for the Oxygen Sag Curve

*Theory for application of electric analogy in field of stream pollution adapted to needs of sanitary engineering; use is made of Streeter-Phelps Oxygen Sag equation to develop new equations...*

Wind Forces on Structures: Fundamental Considerations

*Recent research efforts utilizing high-speed digital computers and electric analogs have indicated vast differences between design and code values for structures and their actual earthquake...*

Electric Analog for Level-Net Adjustment

*Analogy between electrical network and level net suggests method for adjustment of level net; electrical computor for this problem can be handled by civil engineers; calculation methods...*

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