# Random Instability of Elastic-Plastic Frames

*A concept of joint probability of elastic and plastic instability modes was formerly given for single columns and now it is extended for framed systems. A critical load is defined for...*

An Extension of Iterative Fast Monte-Carlo (IFM) Procedure and its Applications to Time-Variant Structural Reliability Analysis

*An efficient sampling procedure which is applicable to time-variant as well as time-invariant structural reliability problems is proposed. First, the concept of the conditional failure...*

Structural Failure Probabilities of the HDR-Containment Under Earthquake Loading

*A computational procedure for the evaluation of structural failure probabilities due to earthquake loading is developed. Uncertainties in structural and material parameters are taken into...*

Application of Probabilistic Methods in Construction Industry

*Recent attempts for theoretical development and engineering application of probabilistic methods, which have been carried out in a Japanese engineering and construction company, are summarized....*

Probabilistic Analysis of Soil Structures Using Finite Element Method

*The authors have developed general-purpose stochastic finite element analysis system, which supports various types of correlation and computes safety index ? by first-order second-moment...*

Statistical Preconditioning in Simulation of Stochastic Vectors

*A new stochastic vector simulation technique which realizes prescribed zero-mean vector and covariance matrix with a substantially smaller sample size than that of other existing methods...*

Large Monte Carlo Simulation of Duffing Equation

*This effort aims to obtain some accurate statistics of the Duffing Equation subjected to white noise through Monte Carlo simulation. The results obtained can be used to check the accuracy...*

Monte Carlo Simulation Using Pearson's Frequency Curves

*An extension of the direct Monte Carlo simulation method to estimate the probability of failure of structural systems or components is investigated. It utilizes the performance values...*

Improved Importance Sampling Methods for Structural System Reliability Calculation

*Improvements can be made to importance sampling by recognising some of the essential features of the time-independent structural reliability problem. Thus non-interesting regions in the...*

Kernel Method in Importance Sampling Density Estimation

*The use of the kernel method to estimate the optimal importance sampling density is introduced. This method requires samples generated from an initial direct Monte Carlo run to construct...*

A New Approximate Solution Technique for Random Vibration of Hysteretic Systems

*Approximate probability densities are obtained for the response of hysteretic systems under Gaussian white-noise excitations. The method of analysis is applicable to either bilinear or...*

Reduction of First Excursion Probability of Nonlinear Secondary System

*This paper deals with reduction of first excursion probability of nonlinear secondary system subjected to seismic excitations. Especially, gap and friction characteristics are considered...*

Response and Reliability Analysis of Duffing Oscillators Subject to Narrow Band Stationary Gaussian Excitations

*Methods are developed for estimating the probability of oscillations on the lower and upper stable branches of the input-output amplitude relationship for a Duffing oscillator subject...*

Envelope Crossing Rate and First Passage Probability

*Various definitions of the envelope of a random response process are discussed. The statistical properties of the random envelope process based on these definitions are then derived and...*

On Stochastic Decomposition and Its Applications in Probabilistic Dynamics

*The frequency domain analysis concerning the response of cascade-nested multiple input/output systems requires computation of the cross-spectral density matrix involving the input, intermediate...*

Discrete Enforcement of Uncertain Oscillator Gaussian Response

*A limited number of step-by-step procedures have been developed to recursively evaluate the response moments of uncertain systems. In several of these procedures, the recursive evaluation...*

Dynamic Reliability of Multi-Degrees-of-Freedom Structures with Hysteretic Characteristics Under Combined Random Loads

*A method to estimate the dynamic reliability of hysteretic structures under combined loads is investigated. The response statistical moments of structures, with hysteretic characteristics...*

Effect of Microporosity on Notched Specimen Fatigue Life

*The present work examines notched fatigue performance of aluminum alloy 7050-T7451 thick plate containing microporosity. Open hole fatigue specimens from low microporosity and high microporosity...*

Application of Probabilistic Approach for Crack Growth Damage Accumulation in Metallic Structures

*Two stochastic crack growth approaches (i.e., 'general' and 'analytical') are presented and evaluated for predicting the crack growth...*

Fatigue Reliability of Components Containing Microstructural Flaws

*A probabilistic crack growth model is presented in which the different stages of crack growth including the small crack regime are taken into account. The microstructural parameter determining...*

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