5年間の研究成果(第4報)

概要

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The author's studies during the last 5 years are outlined. Contents of the studies are random vibration, nonlinear vibration, reduction of residual stress of welded joints using vibration, drilling ofFRP using vibration, reduction of seismic response using a base isolation device, dynamic characteristics of structures with bolted joints and strength and dynamic characteristics of FRP structures. Those studies contain a simplified estimation method of integral of the mean square valueof the response, reliability of the system subjected to seismic excitations, continuous system with collision, continuous system with nonlinear support, continuous system with elasto-plastic damper, reduction of response using impact damper, reduction of residual stress of welded joints using low cycle vibration and ultrasonic vibration, application of vibration to drilling of FRP, development ofbase isolation device for reduction of seismic response, the damping ratio and the natural frequency of structures with bolted joints, compressive strength, the damping ratio and the natural frequency ofFRP structures.
東京都立産業技術高等専門学校の論文