# Solving Nonlinear Equations on a Hypercube

*Certain classes of nonlinear systems of equations, such as polynomial systems have properties that make them particularly amenable to solution on distributed computing systems. Some algorithms,...*

Optimization for Overall Stability

*This paper synthesizes design of trusses for linear stability constraint as an optimization problem where linear stability is defined as a generalized eigenvalue problem and presents a...*

Bidirectional Seismic Response of Simple Structures

*For design purposes it has been common to consider that seismic excitations act in one direction at a time. Analytical studies over the past decade have indicated that this may not be...*

The Use of ISMAUT in Determining the Most-Preferred Package of Alternatives

*Multiattribute decision analysis serves as a useful model of alternative selection under risk. A specialized form of multiattribute decision analysis assumes that there is only one stage...*

Finite Element Analysis of Punching Shear Strength of Reinforced Concrete Structures

*The analysis of reinforced concrete structures using up-to-date computer graphic capabilities is presented. A wide range of linear and nonlinear problems are the subject of this investigation....*

Bounded State Control of Structures with Uncertain Parameters

*The control of linear systems in the presence of set constrained external disturbances has been investigated maintaining the states in a prespecified region by estimating the maximum reachable...*

Wave Runup Around Conical Structures

*A variety of conical structures have been proposed for use in the Arctic environment, primarily because the inclined surface of such a structure gives rise to reduced ice loads associated...*

Random Vibration Techniques

*The paper presents a review of random vibration techniques for analyzing dynamic systems from the perspective of applicability to structural engineering. Problems involving linear or nonlinear,...*

Design Load Combination Factors

*This paper reviews alternative load combination formats for ultimate limit states in codified structural design. The need for explicit consideration of load-time variations and random...*

Simulation of Airborne Snow Water Equivalent Measurement Errors Made over a Forest Environment

*The Office of Hydrology of the National Weather Service has developed and maintains an operational Airborne Gamma Radiation Snow Survey Program in the upper Midwest (Peck, et al. , 1980)....*

Analysis of Unsaturated Flow Beneath a Landfill

*Using the linearized theory of flow in unsaturated porous media, a mathematical model was developed to study the distribution and extent of unsaturated flow from a source of infiltration...*

Water Distribution Design with Multiple Demands

*An iterative procedure for the layout and design of new looped water distribution systems is pesented. The procedure is also applicable to the expansion of existing systems. The approach...*

OPNET: A Nonlinear Design Algorithm for Hydraulic Networks

*The author has developed a general computer program OPNET to be used in the optimal design of hydraulic networks. The computer program can be used to optimize three basic variables; tank...*

Computer Usage in Obtaining Alternate Optimal Solutions for Water Resources Optimization Problems

*In this paper, alternate optimal solutions of a few example linear programming problems are obtained by using a computer routine developed for the purpose. The routine is capable of generating...*

Evaluation of PVC Bottom Linear From an Existing Landfill Located in a Subtropical Climate

*Remedial action to curtail leachate seepage on a sanitary landfill located in a subtropical climate included the attachment of new PVC liner to an existing 20 mil PVC liner which has been...*

Scheduling in Manually Controlled Canal Irrigation Delivery Systems

*The effects of canal transients on scheduling water delivery to an irrigated area are described using a linearized form of flow equation obtained from a zero-inertia momentum equation...*

Determining the In-Place Density of Soils Using the Sleeve Method

*The sleeve method of determining the in-place density was developed by Bureau of Reclamation field personnel for cohesionless, fine, gravel soils used for pipe bedding when other methods...*

Reactive Transport of Suspended Particles

*Monte Carlo simulation of the total probability density function for each constituent easily handles non-linear reactions and has a cost that increases only linearly with the number of...*

Numerical Modelling of Bed Evolution in Braided Channel Systems

*The overall modelling approach adopted is based on an assumption of quasi-steady flow. The numerical algorithm is based on a split-operator approach, in which the flow energy equation,...*

Streamflow Monitoring with Ultrasonic Recorders

*In September 1983, four new streamflow monitoring sites were established in a west Chestnut Ridge catchment at the Oak Ridge National Laboratory. Ultrasonic level/flow recorders were used...*

Return to search