• 研究均匀应变量子结构能带TE增益所产生的影响。

    The effects of inhomogeneous strain on the band structure and te mode gain were studied for low dimensional quantum systems.

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  • 分析了热模拟变形过程中的均匀应变氏体动态再结晶晶粒尺寸影响

    The effect of uneven distribution of strain during compression on dynamic recrystallization and grain size of austenite was analyzed.

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  • 均匀应变作用光纤布拉格光栅FBG)上时,由于FBG周期有效折射率在沿FBG长度方向为变量,所以会导致光谱形状变化。

    The spectrum of fiber Bragg grating(FBG) in inhomogeneous strain fields is distorted due to its inhomogeneity of both the periods and the effective refractive index.

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  • 本文对于这个工程问题的理论分析模型——均匀应变模型进一步分析讨论,进行了数值仿真计算得到胶粘剂性质变化驱动效果的影响情况。

    This paper analyzed further the Uniform Strain Model and made the numerical simulation. The effect was got with the character change of the bonding layers.

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  • 通过石泉电厂2机组推力轴系应力应变调整,使2号机组的推力轴瓦受力均匀保证了机组安全稳定运行

    Through the stress - strain adjustment of unit 2, Shiquan Hydropower Station, the thrust bearing pad of unit 2 has been stressed uniformly, and the safe operation of unit 2 is ensured.

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  • 结果表明,孔隙率不变情况下改变增强体上排布方式,可以获得均匀分布的的表面应力应变

    The results show that the homogeneous stress and strain profiles can be obtained by adjusting the distribution of hole for a given number of holes on the surface of the reinforcement.

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  • 采用薄板弯曲理论研究了均匀载荷作用下多晶金刚石挠度挠度下应变分布情况

    The strain distribution based on small and large deflection theories of diamond square diaphragm was studied using theories of plate bend.

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  • 得到均匀形变阶段均匀形变阶段的真应力应变关系

    The stress-stain relation for homogeneous stage and inhomogeneous stage of deformation were obtained.

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  • 试样内部各部位应力大小分布均匀应变速率增大最小应力自由变形区域逐步部移动;

    The effective stress of specimen is inhomogeneous. As the strain rate increases, the minimum stress value moves from the drum-shaped region to the heart of specimen.

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  • 通过水泥砂浆模型实验得到了理想的名义不偶合系数切缝宽度,测试分析了均匀动态应变

    Through model experiments, reasonable decouple coefficient range and slot width are gotten, and unsymmetrical dynamic strain field is analyzed.

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  • 这种声学反常行为可以均匀弹性应变与软模坐标涨落非线性耦合来解释

    The conclusion is that this acoustic anomaly may be interpreted by nonlinear coupling of the elastic strain field to the fluctuation of the soft-mode coordinate.

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  • 结果表明波导内含有均匀分布应变场,晶格常数变化随着波导取向的不同而呈现各向异性特点。

    It is found that the waveguide layer contains uniformly distributed three dimensional strains and the variation of lattice constants in the waveguide depends closely on the waveguide orientation.

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  • 利用这种方法得到曲线不仅具有较小应变能,而且曲率变化比较均匀,具有很好的光效果。

    The curve faired by this method tends to possesses smaller strain energy and rather uniform changes in curvatures.

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  • 作用下,块体边界某些部位出现应力均匀应变积累

    The stress non uniformity and accumulation of energy on the boundary or in certain parts of some blocks appear.

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  • 因此应变梯度因此有关梯度力学性能有着密切的联系氢气产生的非均质性均匀干燥材料

    So, the strain gradients and consequently the related gradients of mechanical properties are closely linked to hydric heterogeneities generated by non-uniform drying in the layer of material.

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  • 本文根据弹塑性理论基本方程导出水平均匀残余应力场由于钻孔引起松弛应变残余应力关系公式。

    When a high level isotropic stress field is disturbed by a drilled hole, a relation of relieved strain vs. residual stress is derived by the basic equations of elastoplastic theory.

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  • 讨论了材料向异性、应变敏感性均匀及其幅度惯性等因素塑性失稳影响

    The effects of anisotropy, strain rate sensitivity, imperfection and its amplitude and inertia on plastic instability are discussed.

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  • 用三维有限元数值模拟软件DEFORM-3DTM进行了数值模拟研究,得到了锻造载荷-行程曲线以及整个成形过程应力应变分布传统的均匀加放余量法进行了比较

    At the same time, 3D-FEM simulation of the whole process was performed using DEFORM-3DTM software. And the load-stroke curve, effective stress and strain distribution, and so on were obtained.

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  • 塑性控制有各种方法本文介绍了一种气压高度曲线控制的方法,使成形过程更接近于等应变速率胀形,进一步改善零件厚度的不均匀性。

    This paper introduces a method to controll a superplastic bulging by a gas-pressure and a height curve. This method can significantly reduce the thinning rate and unevenness of bulging material.

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  • 相同平面应变塑性弛豫引起的电荷分布不均匀变化小于弹性变形

    The variation is smaller in plastic relaxation than the elastic one under the same in-plane strain.

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  • 传统自动网格法常采用均匀布点应变集中区域变形测量极为不利。节点过多,检测精度会下降;

    Traditional automated grid method often adopts uniform grid method , which is unfavorable for the displacement measurement in stress concentration field.

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  • 变形提高了钢中位密度,也加剧了位错分布的不均匀性,后者应变加速组织演变直接原因

    Cold deformation results in increasing of dislocation density and inhomogeneous dislocation distribution, the latter is the direct reason for pre-strain to promote microstructural evolution.

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  • 本文用弹塑性应变有限无法几种不同介质均匀胀膨应力、应变和位移作了计算

    A computer program of isoparametric finite element for large elastisplastis strain was used to calculate the displacement-strain fields of a homogeneous expansive sphere in many-layer medium.

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  • 试样轴向应力应变均匀问题霍普金森试验行之有效的必要条件,对肌肉类粘弹性材料尤为重要。

    The validity of a SHPB test is based on the assumption of stress and strain uniformity within the specimen, especially when muscle-like viscoelastic exter-soft material is tested.

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  • 发现缺口前沿各点应变分布足很不均匀的,加载时间而改变

    It was indicated that the strain rate is distributed unevenly and changes with loading time.

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  • 应变通过铁磁性杆件由于磁效应,可以激发均匀

    When strain waves pass through a ferromagnetic bar, owing to piezomagnetic effect, a nonuniform magnetic current will be stimulated by the strain wave simultaneously.

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  • 适量增加厚度机架分配较大压下有利于提高轧制过程应变均匀性。

    The uniformity of deformation during hot rolling could be improved by properly increasing the slab thickness and adopting large reduction rate in first several rolling passes.

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  • 此外,还简化了钢筋应变均匀系数计算公式

    The coefficient proposed in this paper has clear geometrical and physical meanings. Furthermore, the formula for calc…

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  • 此外,还简化了钢筋应变均匀系数计算公式

    The coefficient proposed in this paper has clear geometrical and physical meanings. Furthermore, the formula for calc…

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