# Electrical Analog Simulation of Plastic Structures

*In conjunction with slope-deflection equations, special equations are developed which are able to describe the response of static loading upon plastic indeterminate rectangular frame structures....*

Analog Modeling the California Delta Tidal System

*An electronic analog model of the Delta Region of California has been constructed for use in analyzing the distribution of net flow in the channels that will be carrying California Water...*

Curved Beam Analog for Tunnel Design in Massive Rock

*A curved-beam analog is shown to be valid for tunnel design in massive rock. A mechanics of materials analysis is used that retains a physical model of the dominant stress action by assuming...*

Analog Computer Analysis of Static Beams

*Solutions to two beams on elastic foundation problems are obtained by use of a repetitive analog computer. The stiffness is non-linear in the first case and varies with the length coordinate...*

On the Shock Response of Inelastic Beams

*Response of a uniform clamped-free beam driven into the inelastic range by half-sine, triangular, and rectangular ground acceleration pulses is investigated. Shock spectra are presented...*

Analog Simulations of Earthquake Motions

*Two analog methods of simulating earthquake motions are presented. One method uses sections of a gaussian random function with a given power spectrum. The second method uses a hybrid computer...*

Electric Analogs in Time-Settlement Problems

*The simulation of the consolidation process by electric analog simulators is investigated. The simulator consists of an analog model, which is a scaled-down version of the compressible...*

Biaxial Flexure of Columns by Analog Computers

*The solution, by means of an electrical analog computer, of the differential equations governing the deformational response of columns loaded within the elastic range is explored. Specific...*

Hydrogeologic Electric Analog Computer

*Electric analog computers are versatile and simple equipment that allow ground-water development schemes to be rapidly and accurately tested and allow the relative merits of alternate...*

Arch Dam Analysis with an Electric Analog Computer

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Analog Models for Flood Control Systems

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Analog Models for Flood Control Systems

*Technique of simulation of flood control systems; similarity relationships for long period flood waves derived; simulation of channel sections with regard to nonlinear properties of stage-discharge...*

Design Studies for Chute-Des-Passes Surge-Tank System

*Downstream surge chamber for hydroelectric plant is provided in form of large draft-tube manifold running parallel to powerhouse; design of upstream tank required provision for plant to...*

Analog Computer - A Modern Tool in Water Pollution Control

*The applicability of digital and analog computer concepts is briefly compared. The modern analog computer is used in greater detail to solve some of the mathematical models applicable...*

Network Analog for the Truss Problem

*Mathematical analogy is presented between network problem and truss problem which allows formulation of truss problem to be made, using graph theory, which corresponds to node method for...*

Passive Analog Computers for Structural Analysis

*Principal application of passive analog computers is to solution of linear static and dynamic structural problems containing from 10 to 100 degress of freedom; 5 examples of structural...*

Beam Analogy for the Solution of Vierendeel Trusses

*Method of analog solution of beam in which shear and bending moment diagrams are equivalent to bending moment; mathematical study of particular case of cantilever Vierendeel truss to find...*

Metabolism of Organic Sulfonates by Activated Sludge

*Discussion of possibilities of bacterial metabolism of ABS substances in sewage; study is described in which 8 activated sludges were developed on 4 simple aromatic sulphonates and 4 analog...*

Non-Linear Tidal Flows and Electric Analogs

*Electrical model of proposed sea level Panama Canal was constructed and measurements of tidal elevations and discharges were made at midpoint and 2 ends of canal; mean velocities were...*

Metabolism of Organic Sulfonates by Activated Sludge

*Discussion of possibilities of bacterial metabolism of ABS substances in sewage; study is described in which 8 activated sludges were developed on 4 simple aromatic sulphonates and 4 analog...*

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