| 触变性流体在振荡载荷作用下的响应 |
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| 引用本文： | 刚芹果.触变性流体在振荡载荷作用下的响应[J].力学与实践,2004,26(5):64-65. |
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| 作者姓名： | 刚芹果 |
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| 作者单位： | 河北大学机械与建筑工程学院,保定,071002 |
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| 摘 要： | 采用Moore型触变性流体本构方程，研究了振荡载荷作用下的应力响应．发现：(1)稳态情况下，描述流体内部结构状态的参量为时间的周期函数；(2)剪应力和剪应变率之间关系为一闭合的滞后环。
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| 关 键 词： | 触变性流体 振荡载荷 滞后环 剪应力 周期函数 |
| 修稿时间： | 2003年5月7日 |
RESPONSE OF THIXOTROPY FLUID UNDER OSCILLATORY LOADING |
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| GANG Qinguo.RESPONSE OF THIXOTROPY FLUID UNDER OSCILLATORY LOADING[J].Mechanics and Engineering,2004,26(5):64-65. |
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| Authors: | GANG Qinguo |
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| Abstract: | The constitutive equation of thixotropic fluid was of the Moore's model in this paper. The mechanical behaviors under oscillatory loading were discussed. The finite difference method was used. The results show that: 1) In the steady state, the parameter which described the internal structural state in the fluid was the periodic function of time; 2) The relation between the stress and the strain was a closed hysteretic cycle. These properties show that the thixotropic fluid is much more complex than the other non-Newtonian fluids. |
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| Keywords: | thixotropy oscillatory loading hysteretic cy- cle Moore's model |
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