Verification of Local Modes in a Two-Dimensional Tidal Model
Based on a generalized model equation, a two-dimensional hybrid finite element model has been developed to study tidal waves of incompressible, homogeneous fluid in rotational flows. In...
Hydraulic Analysis of the Schoharie Creek Bridge
Ten people died on April 5, 1987 as a result of the collapse of two spans of a New York State Thruway bridge into the floodwaters of Schoharie Creek. The cause of the bridge failure was...
1-D and 2-D Analysis of Flood Plain Encroachment
The paper reports on a study into the effects of a local encroachment in a broad regular flood plain. The results of a one-dimensional analysis were compared with the results of an equivalent...
Southwest Pass Training Structure Alternatives
The U.S. Army Engineer Waterways Experiment Station system of computer programs, TABS-2, was utilized to evaluate various structural plans for increasing channel velocities and sediment...
Grid Requirements for Numerical Models Containing Training Works
The numerical modeling of the rapid changes in flow variable in open channel flow systems containing training works, such as dikes, requires special attention in grid development. This...
Infiltration Trenches for Urban Runoff Control
A two-dimensional finite element model has been developed to simulate the transient flow in a variably saturated porous medium for the study of infiltration trenches. Parameters such as...
Vibration Problems of Penstock Piping for a Vertical Tubular Hydraulic Turbine
Excessive vibration amplitudes were experienced in the vertical gated tubular units at the Great Falls Hydroelectric Project located in the City of Paterson, New Jersey. Vibration amplitude...
SPIDA Method for Reinforced Concrete Pipe Design
The required supporting strength of buried pipe is affected by the total load that is imposed upon the pipe and the manner in which the pipe is supported by the surrounding soil. The installation...
Flow Calculation in a Francis Runner
The flow through a Francis runner has been analysed theoretically. The flow calculations have been carried out by use of an inviscid 3D computational method solving the Euler-Equations....
Turbine Casing and Distributor Hydraulic Design
Interactive casing and distributor hydraulic design and flow analysis software has been developed and tested. Until now, its application is limited to radial distributor turbo-machines....
Computer Aided Design of Butterfly Inlet Valves
Computer simulation of butterfly inlet valves (throughflow, lattice) in hydropower schemes is presented. The software is intended for practisting engineers to obtain significant parameters...
Structural Analysis and Parallel Computers
This paper discusses the implementation of a parallel program that performs a two dimensional rigid frame analysis on a NCUBE/7 hypercube multicomputer. The program was written in C and...
A Finite Element System for the CDC CYBER 205
This paper summarizes some of the special considerations required for finite element system development on the CDC CYBER 205. A means of constructing an efficient database is presented....
Finite Strip Method in a Parallel Computing Environment
The finite strip method has been used to model many systems in structural mechanics. The orthogonality of appropriately selected shape functions allows a continuous system to be effectively...
Finite Element Analyses of the St. Alban Test Embankments
Finite element analyses were performed of three embankments on sensitive clay that were constructed to failure at St. Alban, Quebec. One of the embankments was reinforced with flat-lying...
First-Order Reliability Analysis of Groundwater Flow
A method for stochastic analysis of groundwater flow based on the first-order reliability approach is presented. The method is well suited for problems in which statistical information...
Simulation with Ordered Discrete-Stochastic Samples
In order to account for the viscoplastic deformations, leading to the failure of structures, the nonlinear dynamic responses can be obtained with convenient spatially discretization schemes....
Stochastic Fem Analysis of Nonlinear Dynamic Problems
This paper deals with the stochastic finite element analysis of nonlinear structural dynamic problems, using Monte Carlo simulation techniques. The stochasticity of those problems arises...
Orthogonal Expansion for Beam Variability
A new method for the solution of problems involving random media is proposed. The medium property is represented by a stochastic process. The method makes use of an orthogonal expansion...
Sensitivity Analysis of Nonlinear Fem
A method of sensitivity analysis is developed for nonlinear structural systems which are governed by incremental finite element equations. The formulation originates in the perturbation...
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