• 局部应变减去弹性应变,可得剪切带非局部塑性应变

    Subtracting the elastic strain from the total strain yields the non-local plastic shear strain that depends on the flow stress and the damage variable.

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  • 根据应变理论作者提出管子累积蠕变变形计算寿命损耗量。

    According to the total strain energy failure theory author provides calculate formula of creep Life loss in creep deformation accumulation of steam pipe.

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  • 作者工作意义在于揭示适当的几何约束下,自组装形成花样总应变最小的结果。

    The significance of our work lies in the revelation that, under proper geometrical constraint, the various patterns can develop through minimization of the strain energy.

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  • 对于形变理论假定塑性应变量与应变偏量张量成比例,其比例因子有效应变标量函数

    For plastic deformation theory, it is assumed that the plastic strain tensor is proportional to the total strain deviation tensor and the ratio is a sealer 'function of the effective total strain.

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  • 结构重量最小结构的应变能最大为优化目标,以导管的平均直径作为设计变量考虑强度刚度和稳定等约束条件。

    Total weight and seismic strain energy of the structure were selected to be optimal objectives. Average diameter and wall thickness of the structural element were taken as design variables.

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  • 基于遗传算法结构应变作为优化目标函数,基于改进的遗传算法,提出一种用于确定空间结构临时支撑体系布置方案优化算法。

    Based on improved Genetic Alogrothm, a method to optimize the falsework layout of spatial steel structure is present with structure strain energy as object function.

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  • 研究了试样应力循环孔隙压力有效应力随时间变化规律试样有效应力轴向应变关系曲线

    Curves of total stress and time, of cycle pore water pressure and time, of effective stress and time, of effective stress and axial strain are respectively studied.

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  • 应变很大时,大变形变形法计算的沉降和孔压差异很大。因此,大小变形法分析结果的比较应采用应力法。

    So the comparison of large strain method and small strain method should be carried out with total stress method.

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  • 应变很大时,大变形变形法计算的沉降和孔压差异很大。因此,大小变形法分析结果的比较应采用应力法。

    So the comparison of large strain method and small strain method should be carried out with total stress method.

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