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مقاله تحقیق پروژه دانش آموزی و دانشجویی

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مقاله تحقیق پروژه دانش آموزی و دانشجویی

موضوع پایان نامه: Monte Carlo Simulation of Roughening During Thin Film Plasma Etching

موضوع پایان نامه: Monte Carlo Simulation of Roughening During Thin Film Plasma Etching

موضوع پایان نامه: Monte Carlo Simulation of Roughening During Thin Film Plasma Etching نویسنده:Angelikopoulos Panagiotis سال :2006زبان : انگلیسیتعداد صفحات : 81حجم فایل:3.13 مگابایتفصلها:The Importance of Surface roughnessRoughness CharacterizationsPrevious WorkDry isotropic etching using reactive neutralsIon enchanced etchingAn Etching model using Inhibitors روش مونت کارلو یکی از روشهای ...


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FREQUENCY AND DAMPING EVOLUTION DURING EXPERIMENTAL SEISMIC RESPONSE OF CIVIL ENGINEERING STRUCTURES

FREQUENCY AND DAMPING EVOLUTION DURING EXPERIMENTAL SEISMIC RESPONSE OF CIVIL ENGINEERING STRUCTURES

The results of the seismic tests on several reinforced-concrete shear walls and a four-storey frame are analysed in this paper. Each specimen was submitted to the action of a horizontal accelerogram, with successive growing amplitudes, using the pseudodynamic method. An analysis of the results allows knowing the evolution of the eigen frequency and damping ratio during the earthquakes thanks to an identification method working in the time domain. The method is formulated as a spatial model in ...


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