1、

The porosity defect is that in certain area inside the cast ingot exist small cellular voids relatively equally distributed, slight difference in mechanical properties, obvious plastic volume deformation and variation of relative density governed by the spherical stress tensor.

疏松缺陷是一定区域上相对均匀分布着的蜂窝状小空洞,疏松区域上各处的力学性能相差小,表现为明显体积塑性变形,材料的相对密度变化主要依赖于应力球张量。

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2、

optimization of autogenous volume deformation process curve of mgo concrete

MgO混凝土自生体积变形过程线优化研究

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3、

Based on the laboratory swelling experiments results, the additional compression modulus 、 the initial tangent modulus in 1D 、 deformation modulus and volume deformation modulus in 3D of expansive soils in Ning-Ming are formulated.

在此试验的基础上,推导出一维关系下宁明膨胀土的切线模量和初始割线模量和三维关系下此膨胀土的变形模量和体积模量。

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4、

Discussion on Crevices Caused by Deformation of Concrete Tank with Large Volume

大型钢筋混凝土水池变形变化引起裂缝探讨

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5、

The results indicate that fiber volume fraction, curing shrinkage, lay-up styles and cure temperature have significant influence on curing deformation.

结果表明:纤维体积分数、固化收缩率、铺层方式和固化工艺温度都对复合材料固化变形有着显著的影响。

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6、

Appropriate blank shape can eliminate unevenness of blank deformation, improve forming limit, reduce high of earing and volume of cutting.

如果板料形状合适,不仅变形沿板料分布不均匀的现象能够得到明显改善,而且成形极限也可有所提高,并能降低突耳高度,减少切边余量。

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7、

At high strain rate of loading, the damage mechanism of the high volume fraction particle reinforced SiCp/ Al composite associated with the fracture of the particles and the deformation localization of the matrix.

在高应变率压缩载荷下,无压浸渗高体积分数siCp/AI复合材料在增强相颗粒破裂的同时会出现局部化变形,材料的损伤行为与复合材料中的增强相颗粒尺寸密切相关。

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8、

Effect of Different Volume Fraction of Martensite on Deformation Behavior of Dual Phase Steels

马氏体体积分数对双相钢变形行为的影响

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9、

by analysing the volume variation during steel tube upsetting, the relationships of the length decrease with the upsetting length and the wall thickness increase during steel tube upsetting deformation were obtained.

通过对钢管加厚过程体积变化的研究,指出钢管加厚变形过程中的长度缩短量与钢管加厚长度和壁厚增加量的关系:钢管长度缩短量与其加厚长度成正比,与其壁厚增加量成反比。

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10、

volume of fluid method was employed to capture the free surface of the wave. the model reaches a comparatively high accuracy, based on which propagation and deformation of the wave can be well described.

模型采用VOF法追踪自由表面,并有多种紊流模拟方式可供选择,具有较高的精度,能很好地模拟波浪的传播变形。

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11、

Study of variational law of lateral contraction ratio for condition of large deformation constant volume

大变形体积不变时横向变形系数变化规律研究

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12、

Then two-or three-dimensional control equations for the three stages were established respectively for calculation of the air pressure, water pressure, effective stress, soil deformation and variation of water volume.

分别建立3个阶段的二、三维控制方程,以计算各阶段的气压、水压、骨架应力、相应的土体变形和水量变化。

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13、

This large deformation is called for rock dilatancy if volume dilation only occurs owing to stress redistribution.

这种大变形如果仅是应力重分布引起的体积膨胀则称为岩石扩容。

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14、

Increasing autogenous volume expansive deformation for compensating thermal shrinkage deformation of concrete may improve crack resistance.

提高混凝土的自生体积膨胀变形量补偿混凝土的温度收缩变形,对于混凝土抗裂很有意义。

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15、

Based on rate-form virtual work principe, Mindlin shell element and hypothesis that material volume is incompressible in plastic deformation, elasto-plastic finite element of large deformation is introduced into sheet metal forming process, and a contact and friction model is proposed.

利用率形式的虚功原理和考虑弯曲影响的Mindlin曲壳单元,根据塑性变形体积不可压缩的假设,将大变形弹塑性有限元应用于板料成形过程中,建立了接触摩擦模型。

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