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- The fast algorithm for computing absolute acceleration, relative velocity and relative displacement response spectra at same time is suggested by comparing the algorithms, and the corresponding computer program is listed in the end of this paper. 文末通过计算对比研究,给出了同时计算绝对加速度、相对速度和相对位移反应谱的快速方法及相应的计算程序。
- displacement response spectrum 位移反应谱
- This paper describes the vibration equation of this structure, and derives the horizontal vibration displacement and acceleration response spectrum and the mean square response on the base of the complex modal analytical theory. 建立该结构体系在脉动风作用下的振动方程,基于随机振动的复模态理论,推导位移和加速度响应谱及均方响应的表达式。
- Based on wind velocity spectrum generated by CAWS method,the dynamic response of tower is computed by ANSYS software. Thus the wind-reduced displacement response,force response,acceleration response. are all acquired. 建立电视塔的风振内力响应计算有限元模型,基于谐波合成法数值生成电视塔各分段的风波时程,采用ANSYS结构分析程序数值计算各风偏角下结构的动力响应,确定该电视塔不同高度上的风致振动位移响应、内力响应,给出了基于位移等效的动力放大系数与基于内力等效的动力放大系数。
- displacement response spectra 位移反应谱
- A model used PGA, PGV and PGD for calibrating seismic response spectrum was introduced. 介绍了用地面峰值加速度(PGA)、峰值速度(PGV)和峰值位移(PGD)三个参数标定设计地震反应谱的模型。
- Cushioning pads of computers is required to design according to the boundary curves of shock response spectrum (SRS). 摘要电脑的缓冲垫要求按冲击响应谱的破损边界曲线进行设计。
- The restraints to the model include mass of the structure, static strengths, static stiffness and dynamic displacement response amplitudes. 以塔机结构系统质量、静强度、静刚度、动态位移响应幅值等为约束条件。
- Using the response spectrum and the time-history methods, the seismic reduction effectiveness of LRB is studied. 利用反应谱和非线性动力时程分析方法,研究了铅销橡胶支座在钢管混凝土梁拱组合桥中的减隔震效果。
- It is found that the effects of prestress force on the lower natural frequencies and the dynamic displacement response of the beam are large. 研究表明预应力对梁的低阶频率和位移响应的影响较大。
- Chang, T.P. and G.K.Yu, 2002.Astudy of strong motion response spectrum in West-Central Taiwan.TAO, Vol.13, pp135-152. 张添炮;余贵坤;2002.;台湾中西部地区反应谱讲显周期之研究
- The average response spectrum method (ARSM) was introduced considering the special structural shape of gable frames. 水平多点输入的考虑将提高跨中杆件的地震反应。
- The results show that: frame floors and displacement response acceleration response to better reflect the overall structure of the seismic performance of the engineering practice. 试验结果表明:框架各层加速度响应及位移响应能够较好的反应出结构的整体抗震性能符合工程实际。
- S.A.Mahin,J.Lin.Construction of Inelastic Response Spectrum for SDOF[R].EERE,83(7). 肖明葵;严涛;王耀伟;赖明.;弹塑性反应谱研究综述[J]
- Test results of law of hysteresis loop,displacement response and base shear response of the model are analyzed and the analyzing results are compared with result. 对结构模型的滞回曲线、位移反应、基底剪力反应规律的试验结果进行了分析比较。
- The calculating error of response spectrum in high frequency section by linear interpolation is nonnegligible. 摘要基于线性插值得到的高频段反应谱,存在不可忽视的误差。
- Based on the structural displacement response control, the displacement transfer function is formulated for the structure with an MTMD under four types of excitations. 摘要基于结构的位移响应控制,导出了四种类型激励下设置MTMD结构的位移传递函数。
- An effective shock response spectrum (SRS) time-history waveform synthesis method was presented for simulating shock environment with electro-dynamic shakers. 摘要为利用电动振动台进行模拟冲击环境试验,给出了一种时域冲击波形合成方法。
- The variations of amplitude of earthquake acceleration, normalized response spectrum (NRS) and bi-normalized response spectrum (BNRS) with depth were evaluated. 结果表明,地震动加速度幅值随深度的增加而减小,在浅层的变化速度较快。
- The parameters of Clough-Penzien model are obtained based on the response spectrum curve in the Chinese Seismic Code (GB 50011-2001). 根据《建筑抗震设计规范(GB50011-2001)》的反应谱曲线,确定了基于Clough-Penzien修正过滤白噪声模型的参数取值。