# Hydraulic Regime and Activated Sludge Performance

*The standard bio-kinetic theory used to describe the activated sludge process predicts that the soluble organic matter (SOM) concentration in the effluent of plug flow aeration tanks will...*

One Uses His Umbrella When It Rains

*The engineering profession unity movement is reviewed, with a brief explanation of the reasons for forming the American Association of Engineering Societies. A brief historical background...*

Simplified Earthquake Analysis of Suspension Bridge Towers

*Free vibration and earthquake response analyses of a simplified continuous analytical model representing suspension bridge towers (fixed at the base) are presented. In addition, various...*

Suspension Bridge Response to Multiple-Support Excitations

*The earthquake-induced vertical response of suspension bridges when subjected to, correlated or uncorrelated, multiple-support excitations is analyzed by means of random vibration theory....*

Schwarz-Christoffel Theory of Flow Past an Opening

*The Schwarz-Christoffel transformation for a steady two-dimensional plane flow past an eccentric, normal constriction of zero thickness is formulated. The transformation formula contains...*

Simplified Bending Theory for Wire Rope

*A theory has been developed to predict the static response of wire rope subjected to tension, torsion and bending. This type of loading occurs frequently in ropes wrapped around sheaves....*

Response of MDOF Systems to Vector Random Excitation

*A model time history random vibration analysis is presented. The random excitation is nonwhite, nonstationary, vector-valued and correlated. Excitation components may have different frequency...*

Frictional Slip in Elasticity: An Example

*In order to study various aspects of propagating slip zones with friction, the unbounded solid with a semi-infinite cut are considered. The solid is first compressed in a direction normal...*

Sandwich Bean-Columns with Interlayer Slips

*Elasticity solution for sandwich beam-columns bonded with non-rigid adhesives is presented. The solution satisfies the equilibrium equations of the face and core elements, the compatibility...*

Analytic Solution for Continuous Sandwich Plates

*An analytical solution is presented for simply supported continuous sandwich plate over two spans and subjected to transverse loads. The process involves utilizing the force method in...*

Boundary Element Analysis of Fluid Domain

*The boundary element method of analysis is applied to the calculation of hydrodynamic pressures in a reservoir impounded by a gravity dam and subjected to a harmonic ground motion., It...*

Vertical Seismic Load Effect on Building Response

*An analytical procedure is presented for the calculation of the statistical properties of the response of a linear elastic tall building under earthquake excitations. The emphasis is placed...*

Probability of Survival in a Blast Environment

*The probability of survival of people located in personnel shelters when subjected to the blast effects produced by the detonation of a 1-MT weapon near the ground surface is studied....*

Exact Involute Bodies of Revolution

*Involute construction is an approach used in contemporary rocket nozzle technology for the fabrication of exit cones and other bodies of revolution and consists of laminating identical...*

Vertical Seismic Load Effect on Hysteric Columns

*An analytical method is developed to calculate the statistical properties of the response of hysteretic columns under earthquake excitations, with special emphasis on the effect of the...*

Nonuniform Laminar Free-Surface Flow

*Industrial flow processes involving molten substances or other highly viscous liquids frequently make use of conveyance by open channels. A one-dimensional analysis is undertaken of laminar...*

Initial Conditions and Korteweg-de Vries Solitons

*A study is made of the asymptotic waveforms described by the Korteweg-de Vries equation (u*

_{t}+ 6uu_{x}= u_{x}_{x}_{x}...Residual Undrained Deformation from Cyclic Loading

*Residual undrained deformation of anisotropically consolidated soil samples under cyclic loading is investigated. The magnitude of residual deformation is influenced by factors such as...*

Seismic Response of End Bearing Piles

*A very simple analysis of dynamic soil-pile-supported mass interaction is presented as an aid to understanding pile foundations behaviour during earthquakes. The equilibrium equations...*

Stresses and Displacements in Cross-Anisotropic Soils

*An analytic investigation is presented on the effect of soil cross-anistropy on surface displacements and stress distributions in a homogeneous thick soil deposit (halfspace) subjected...*

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