• 应用塑性力学岩石力学理论,详细讨论了弹性岩石应力位移

    The stress and displacement of wellbore with viscoelastic rock are discussed in detail by using viscoelastic-plasticity mechanics and rock mechanics theory.

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  • 弹性-粘塑性模型反平面剪切扩展裂纹尖端应力应变进行了分析。

    An elastic viscoplastic model is used to analyse stress and strain fields at the tip of a propagating crack under antiplane shear.

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  • 本文非线性弹性物质的多重积分型本方程出发,引入塑性应变推导塑性物质微分型本构方程。

    Introducing the plastic strain the differential constitutive equation for viscoelastic and plastic materials is deduced from multi-integral constitutive equation for nonlinear viscoelastic materials.

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  • 通过计算瞬时应变的大小屈服建立弹性变形粘塑性变形的判断准则

    Under the instantaneous strain and yield limit calculated, judgement rule about viscoelastic and viscoplastic is established.

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  • 本文采用直接边界元法,研究塑性粘塑性(含变)温度应力等非弹性状的边界积分方程求解摸式。

    With direct B. E. M. the boundary integral equations of soil for elastoplasticity, viscoplasticity cluding creep and temperature stress are researched and soluted.

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  • 同一土层不同水位变化模式表现为弹性塑性塑性的变形特征;

    An identical soil stratum may exhibit elasticity, elasto-plasticity or visco-elastoplasticity under different modes of groundwater changing.

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  • 同一土层不同水位变化模式表现为弹性塑性塑性的变形特征;

    An identical soil stratum may exhibit elasticity, elasto-plasticity or visco-elastoplasticity under different modes of groundwater changing.

    youdao

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