Truly isotropic biaxial hysteresis with arbitrary knee sharpness

P. Scott Harvey Jr.; Henri P. Gavin

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Truly isotropic biaxial hysteresis with arbitrary knee sharpness

机译：真正的各向同性双轴磁滞和任意的膝盖清晰度

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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.

机译：框架结构和隔震系统在双轴（水平）振动下的非弹性响应是耦合的。在现有的磁滞行为双轴耦合模型中，在不影响屈服面形状的情况下，不能修改从弹性到屈服行为的过渡的平滑度（或“膝盖”）。本文提出了一种耦合双轴磁滞行为的模型，该模型可以在保持各向同性屈服面的同时调整从屈服前到屈服后的膝盖。

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来源
《Earthquake Engineering & Structural Dynamics》 |2014年第13期|2051-2057|共7页
作者
P. Scott Harvey Jr.; Henri P. Gavin;
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作者单位

Department of Civil and Environmental Engineering, Duke University, Durham, NC 27708, U.S.A.;

Department of Civil and Environmental Engineering, Duke University, 121 Hudson Hall, Box 90287, Durham, NC 27708, U.S.A.;

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正文语种 eng
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关键词
hysteresis; Bouc-Wen; biaxial; isotropic;

机译：磁滞Bouc-Wen;双轴各向同性;

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Truly isotropic biaxial hysteresis with arbitrary knee sharpness

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