Peak structural response to nonstationary random excitations

Study establishes distribution function of peak response values, based on frequency interpretation. Excitations considered include impact loading on landing gears and aircraft gust loading. Because of relative severity of excitations, prediction of fatigue and maximum response characteristics is important part of task of structural analysis and design

A note on the first passage time problem

Kolmogoroff backward equation for analyzing first passage time problem for linear single degree of freedom vibratory system with linear viscous dampin

On the bound of first excursion probability

Boundary values for first excursion probability as related to reliability and safe performance of mechanical and structural system

Optimum structural design based on reliability and proof-load testing

Proof-load test eliminates structures with strength less than the proof load and improves the reliability value in analysis. It truncates the distribution function of strength at the proof load, thereby alleviating verification of a fitted distribution function at the lower tail portion where data are usually nonexistent

Effect of self-weight and vertical acceleration on the behaviour of tall structures during earthquake

The effect of self-weight and vertical ground acceleration during earthquakes on vertical cantilevers has been studied. The input is taken to be a bivariate normal random process, digitally simulated on a computer. The tip deflection, base moment and shear force have been obtained numerically for three structures of different natural frequencies. It is found that the presence of self-weight and vertical ground excitation could alter these three quantities considerably. This leads to the conclusion that with tall structures a refined analysis, similar to the one presented here, is advisable

Achromatic Beam Transport on the High-Resolution Beam Course

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Study of the Central-Region Orbits of the CYRIC 680 Cyclotron

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A Feasiblility Study of Axial Injection Method for the CYRIC 680-Cyclotron

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Measurement of the Gamma-Ray Branching of the Mirror Decay of Mass-Separated 57Cu

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Search for Short-Lived Neutron-Rich Nuclei Produced by Charged-Particle- Induced Fission of 238U with IGISOL

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