volume deformation

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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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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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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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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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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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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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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