Truly isotropic biaxial hysteresis with arbitrary knee sharpness

Truly isotropic biaxial hysteresis with arbitrary knee sharpness
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真正的各向同性双轴迟滞,具有任意拐点锐度

DOI:
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发表时间:
2014
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通讯作者:
H. Gavin
H. Gavin
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文献类型:
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作者:
P. S. Harvey;H. Gavin

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经历双轴(水平)振动的框架结构和隔震系统的非弹性响应是耦合的。在现有的迟滞行为双轴耦合模型中,在不影响屈服面形状的情况下,无法修改从弹性行为到屈服行为过渡的平滑度(或“拐点”)。本文提出了一个耦合双轴迟滞行为的模型,其中从屈服前到屈服后的拐点可以在保持各向同性屈服面的同时进行调整。版权所有 © 2014 约翰·威利父子有限公司
The inelastic responses of framed structures and seismic isolation systems undergoing biaxial (horizontal) shaking are coupled. In existing models for biaxial coupling of hysteretic behavior, the smoothness (or ‘knee') of the transition from elastic to yielding behavior cannot be modified without affecting the shape of the yield surface. This paper presents a model for coupled biaxial hysteretic behavior in which the knee from pre‐yield to post‐yield can be adjusted while maintaining an isotropic yield surface. Copyright © 2014 John Wiley & Sons, Ltd.