Response of an elastically non-linear system to transient disturbances

✍ Scribed by Rune L. Evaldson; Robert S. Ayre; Lydik S. Jacobsen

• Publisher: Elsevier Science
• Year: 1949
• Tongue: English
• Weight: 914 KB
• Volume: 248
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(49)90279-3

✦ Synopsis

The problem relates to an undamped, elastically non-linear, single-degree-offreedom system subjected to three forms of groundmotion pulses (rectangular, cosine and "skewed" cosine) ; each form consists of a single pulse, the duration of which has been varied over a wide range. The maximum relative displacements (maximum distortions) have been plotted in dimensionless form as functions of the pulse durations. Under some circumstances the non-linearity results in reduced maximum distortion, but in other cases it acts to increase it. Simple quantitative conclusions cannot be drawn. Analytical, graphical and experimental methods were employed; the graphical method has been presented in detail.