DYNAMIC RESPONSE AND WAVE PROPAGATION IN THREE-DIMENSIONAL FRAMED STRUCTURES

被引：8

作者：

Pao, Y. -H. ^{[1
]}

Nie, G. -H. ^{[2
]}

Keh, D. -C. ^{[3
]}

机构：

[1] Natl Taiwan Univ, Inst Appl Mech, Taipei 10617, Taiwan

[2] Tongji Univ, Inst Appl Mech, Shanghai 200092, Peoples R China

[3] Nassda Corp, Dev Engn, Taipei 10608, Taiwan

来源：

JOURNAL OF MECHANICS | 2013年 / 29卷 / 01期

关键词：

3D framed structures; Method of reverberation-ray matrix (MRRM); Dynamic response; Wave propagation; REVERBERATION-RAY MATRIX;

D O I：

10.1017/jmech.2012.146

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper extends the recently developed method of reverberation-ray matrix for planar structures to three-dimensional framed structures. The propagation of steady state axial, flexural and torsional waves, as well as the mode conversions through scattering of all three waves at connecting joints are evaluated in the frequency domain. The transient waves in all members are then determined by the Fourier synthesis. The transient responses of a two-storey framed building subject to a step time loading are calculated in detail. Numerical results are obtained for early time as well as moderately long time records. The results are shown to be accurate in arrival times of all three types of waves and in asymptotic values at times.

引用

页码：7 / 26

页数：20

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