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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