# Modal Coupling Effect of Non-Classically Damping

*The equations of motion of a structure in undamped modal coordinates may have non-zero off-diagonal terms in the damping matrix. Although these terms are commonly neglected, studies have...*

Free Vibration Analysis of Asymmetric Buildings

*A simple procedure for free vibration analysis of asymmetric buildings is presented. This method assumes that each floor is a rigid diaphragm with three degrees of freedom (two lateral...*

The Flow in the Front Stagnation Region of a Square Plate with a Small Disturbing Wire in its Upstream

*The flow in the front stagnation region of a square plate was investigated experimentally in a water channel. A small wire was placed in the upstream of the square plate to create a small...*

Nonlinear Analysis of Strain-Softening Damage under Monotonic and Cyclic Loading

*The paper reviews the modeling of damage by the microplane model and presents extensions required for cyclic loading. The general microplane constitutive model is implemented in a three-dimensional...*

Mechanics of Growing Deformable Solids: A Review

*An attempt is undertaken to summarize the contemporary knowledge in mechanics of deformable solids of accruing mass. A general mathematical model of an abstract growing deformable solid...*

Ultrasonic Wave Scattering by a Crack in a Composite Plate

*A hybrid method is presented for analyzing ultrasonic wave scattering of plane strain waves by a crack in a composite plate. The hybrid method combines a finite element formulation in...*

Variational Solutions of the Von Karman Plate Theory Based on a Mixed Formulation

*A mixed formulation, involving the transverse deflection w(x,y) and the in-plane stress function F(x,y) as the unknown variables, will be used to obtain improved variational solutions...*

Analog Electronic Simulations of a Nonlinear System

*We perform electronic analog simulations of a harmonically forced Duffing oscillator. The addition of noise perturbations of sufficient intensity is shown to induce transitions between...*

Routes to Chaos of a Vertically Rotating Pendulum

*Each blade of a mechanical shredder may be modeled by a pendulum whose pivot rotates in a vertical circle. The transition to chaos of small periodic motion about radial lines us the driving...*

An Evaluation Study of Modified Mohr-Coulomb and Cap Models

*Two failure criteria, namely Mohr-Coulomb and cap models, are considered in this paper with some modifications. Mohr-Coulomb theory is applied to concrete after stress and strain cut-offs...*

Mathematical Characterization of Fabric and Its Use in Mechanics of Geomaterials

*Increased evidence of the influence of their discrete nature on the observed behavior of geomaterials has prompted a number of investigators to look at these materials at the microstructural...*

Effect of Micro-parameters on the Macroscopic Behaviour of Ductile Fiber Reinforced Brittle Matrix Composites

*In this paper, the modelling of crack bridging stress vs crack opening (σ-δ) relation of ductile fiber brittle matrix composite in terms of its microscopic parameters is described. Parametric...*

Discrete Mechanics of Sediment Transport

*Usually a granular medium is being represented by a continuous approximation in which the degrees of freedom of individual grains are averaged away in favor of a partial differential equation...*

Distributed Failure Analysis, Fallacies and Remedies

*In the past, two distinctly different approaches - smeared and discrete failure descriptions have been utilised to capture failure mechanisms in solids and structures. These two approaches...*

Stochastic Mixed Finite Difference Method

*Some aspects of numerical solutions of stochastic mechanics problems are considered. The Finite Difference method for discretization of stochastic continuous media problems is discussed....*

Pressure Losses Across Sequential Stenoses in Collapsible Tubing

*The fluid dynamics of a model of a diseased artery with multiple stenoses were investigated in a recirculating steady-flow system over a range of Reynolds numbers (Re) from 30 to 1100....*

An Elastoviscoplastic Model for High Strength Concrete

*An elastoviscoplastic model of overstress type is proposed for high-strength concrete in this study. With its viscosity parameters determined with experimental data from the split-Hopkinson-pressure-bar...*

Fiber Suppressed Localization in Tension

*Tensile fracture in portland cement based fiber composites is studied. Formation and propagation of stable microcracks is examined by means of holographic interferometry. Distributed microcracking...*

A Discussion of the Numerical Modeling of Sea Ice Ridging

*Pressure ridging, is the failure mechanism of the Arctic pack ice in compression. The large-scale compressive strength of the ice pack is determined by the aggregate of ridge building...*

Predicting the Performance Limits of Soil-Culvert Systems

*A finite element model for elastic plastic large deformation analysis of soil-culvert systems is presented. Predictions of this numerical model are in good agreement with failure tests...*

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