1、

Based on a rockfill power function creep constitutive model, numerical realization step and detailed algorithm applied to analysis of general FEM is presented for the creep constitutive model.

推导了高围压下的幂函数流变本构模型在三维有限元分析中的具体算法和实现步骤。

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2、

Based on a new kind of rockfill power function creep constitutive model which can simulate high confining pressure state of rockfill, the developing rule of rockfill creep and the engineering method of control creep are studied.

采用一种能模拟高围压条件的堆石料幂函数流变本构模型,探讨狭窄河谷条件下堆石体流变变形的发展规律及相应的控制流变变形的工程措施。

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3、

Based on the principle of superposition, a reversible creep expression was derived. According to this expression, a double function creep model for concrete was established and contrasted with a common creep model through the numerical analysis under various loads.

在叠加原理的基础上建立了混凝土徐变恢复函数,并利用恢复函数与徐变度函数建立了基于等效历史应力假定的双功能徐变函数。

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4、

C B ялов proposed the frozen soil power function creep equation is a foundation, uses Mises yield criterion, to Modified C.

维亚洛夫提出的冻土幂函数蠕变方程为基础,采用Mises屈服准则,对C.C。

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5、

Power function method for creep life prediction

蠕变持久寿命幂函数预测方法

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6、

Double Function Expression of Creep Model for Concrete

混凝土徐变分析的双功能函数表达

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7、

As ANSYS advanced development technology, UPFs provided the function of user creep equation.

ANSYS的高级开发技术UPFs,提供了用户自定义徐变函数的功能。

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8、

Based on the ideas of force method and virtual-work principle, the calculation formulas of the fixed-end forces in element-system structures were deduced. It was found that the fixed-end forces of element were the function of the creep coefficient and the elastic fixed-end forces of the element.

本文根据徐变分析的力法和虚功原理,推导出杆系结构一次加载的单元徐变固端力计算公式,发现单元的徐变固端力是杆件的徐变系数和弹性杆端力的函数。

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9、

Transient creep limit is a power function of steady state creep strain rate.

初始蠕变极限可以表示成稳态蠕变率的函数。

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10、

Based on the mechanical test results of a powder metallurgy material, the probability density function curves of the creep/ fatigue life at different temperatures are obtained by use of expertise, together with information and actual data of similar materials.

基于某粉末冶金材料的力学性能试验结果,结合专家经验、同类产品信息和现场数据,得到了该材料的蠕变寿命和疲劳寿命在不同温度下的概率密度分布曲线;

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12、

Mutual Transformation between Material Relaxation and Creep Function

材料松弛与蠕变函数的相互转换

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13、

The variation characteristics of the position of curved neutral layer and the relative creep function with time are studied systemically based on the rheological constitutive Burgers model.

基于Burgers流变本构模型,对岩层的中性层位置和相对蠕变函数随时间的变化特征进行了系统研究。

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14、

Experimental study on the reduced stress relaxation creep function of the cancellous bones of lumbar spine

人脊柱腰椎松质骨归一化应力松弛蠕变函数

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15、

Results By viscoelastic properties theory regressed the experimental curve and obtained the creep function of C3 segment.

结果根据线性粘弹性理论拟合了试验曲线,得出了蠕变方程。

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16、

During the earlier time of creep function, the elasticity and viscosity parameters have a great effect on the position and deformation curvature of curved neutral layer.

蠕变前期,岩层弹性、黏性参数对中性层位置和变形曲率都有较大影响,但随着时间增加这种影响迅速减弱;

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17、

Here the superposition method and creep function of sealed concrete of ACI209 R82 are used in the analysis to fit with the application in engineering.

为适合工程应用,在徐变分析中采用“迭加法”和ACI209-R82密闭混凝土徐变公式,就紧箍力的有无分别讨论钢管混凝土的时变特性。

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18、

It was proper to choose 55 ℃ as reference temperature for master curve of creep compliance function.

选取55℃作为参考温度,获得长时蠕变主曲线和柔量曲线。

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19、

According to the theory of equivalent time, creep as a function of equivalent time is expressed. By fitting experimental data, parameters of creep in equivalent time field are obtained; initial strain implicit solution of elastic creep equation in equivalent time field is derived.

根据等效时间理论,将徐变表示为等效时间的函数,通过拟合试验数据,得出等效时间域弹性模量和徐变度公式的计算参数,推导了等效时间域的弹性徐变方程的初应变隐式解法。

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20、

The high-temperature creep is an important function target of the high-temperature structural ceramics.

高温蠕变是高温结构陶瓷材料一项非常重要的性能指标。

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