应变能密度

在弹性破坏模式下，利用应变能密度因子准则对不同的裂纹倾斜角和不同的矩形板长宽比对斜裂纹的初始扩展角度的影响进行了数值计算和讨论。

The initial crack angle of inclined crack is discussed using strain energy density criteria and the effects of inclined crack angle and the aspect ratio of plate on initial fracture direction are analyzed by finite element analysis system of ANSYS for ideally elastic material .

对W膜，应变能密度与晶粒取向无关。

For isotropic W , the strain energy density is independent of the grain orientation .

在这个应变能密度函数中，每项系数均用Lame常数来表达。

In this function , the coefficient of each term is expressed in Lame 's constants .

以单元的应变能密度作为广义灵敏度数，通过ESO方法将对结构刚度贡献最小的单元删除以提高材料的利用率，降低结构重量。

The individual element 's stain energy density is calculated as a generalized sensitive number for ESO method .

从应变能密度概念出发，运用无因次参量R讨论了裂尖附近处元素的三轴应力状态和裂尖约束程度。

Based on the concept of strain energy density , the triaxial stress state and constraint of the elements of the crack near by tip are discussed by using the nondimensional parameter R .

本文建立了压剪型断裂力学模型，提出了压剪复合型应变能密度断裂准则，并且推导了其应力强度因子K的计算公式。

In this paper , the fracture mode is established . The strain energy density criterion applied to this mode , formula for computing the stress strength factor-K ⅰ, K ⅱ are deduced .

最小应变能密度因子理论的预测结果与最大周向应力准则的预测结果非常接近，但同样不能预测8mm厚度试样的起裂方向。

Crack initiation angle predicted by the minimum strain energy density ( S - ) criterion is very close to that by MTS-criterion .

在V型切口的脆性断裂准则的基础上，提出了结合材料界面端问题的应变能密度因子准则、形状改变能密度因子准则、最大周向拉应力准则和最大周向拉应变准则。

Based on the brittle fracture criterion for V-notches , the strain energy density factor criterion , the distortional strain energy density factor criterion , the circumferential tensile stress criterion and the circumferential tensile strain criterion for interfacial edge of bonded materials are given .

而且随温度的增加，Mises应力和应变能密度增加，蠕变和筏化也越容易。

The Mises stress and strain energy density of the γ and γ phases increase with the temperature increasing , thus the creep and rafting becomes easier at a higher temperature .

当沥青稳定碎石模量在800～1000MPa时，裂缝尖端的水平应力和应变能密度较小，对加铺层反射裂缝的防止有重要作用。

While the asphalt stabilized base modulus is between 800 and 1000 MPa , the stress and the strain energy density are much smaller , which are beneficial to the prevention of reflection cracks .

应变能密度比准则在块体非晶合金中的应用

Strain Energy Density Ratio Criterion for Fracture of Bulk Amorphous Alloys

裂纹尖端应变能密度因子的光测方法研究

Investigations of Strain-Energy-Density Factor at Crack Tip by Photoelastic Method

体心立方多晶膜中应变能密度的各向异性分析

Anisotropy analysis of strain - energy density in bcc - polycrystalline films

弹性体应变能密度函数的新概念

A new concept of strain energy density function of the elastic body

应变能密度函数等于亥姆霍兹函数。

The strain energy density function equals the Helmholtz .

应变能密度因子理论的修正

Revise for the theory of stration energy density factor

面心立方多晶薄膜中应变能密度对晶粒取向的依赖

Dependence of strain energy density on the grain orientation in fcc polycrystalline films

以应变能密度原理估计缺口底部局部应力应变

Energy Density Approach to Calculation of Local Stress - Strain at Notches Tip

连续体拓扑优化的浮动参考应变能密度法

Floating interval approach for topology optimization of continuum structures

带束层边缘应变能密度较大。

The strain energy densities of the regions around the belt edges were larger .

关于复合材料单层板Ⅰ型裂纹应变能密度因子的推导和讨论

Discussion about the Strain Energy Density Factor for the Model I Crack in Composite Materials

基于应变能密度因子理论，研究Ⅰ型裂纹的断裂失效行为。

By using the strain energy density theory , the mode ⅰ crack is studied .

壳体低噪声的设计&应变能密度法的研究

Investigation on the strain-energy density methoda method for calculating and designing low noise housing structure

成层非均匀地壳中应变能密度场时空分布的动态模拟研究

Dynamic simulation for tempo-spatial dis - tribution of strain energy density in inhomogeneous stratified crust

应变能密度&应力矢量准则

Strain energy density-stress vector criterion

动静组合加载下岩石破坏的应变能密度准则及突变理论分析

Failure criterion of strain energy density and catastrophe theory analysis of rock subjected to static-dynamic coupling loading

从而从理论上说明了用应变能密度作控制变量的适应性骨再造的可靠性。

So reliability of adaptive bone remodeling using strain energy density as controlled variable was confirmed in the theory .

非弹性应变能密度与升降温速率的倒数之间满足指数关系。

The relationship between inelastic strain energy density and reciprocal of ramp rate can be fitted as exponential curve .

阐述了岩石在动静组合载荷作用下使用应变能密度定义破坏准则的适用性。

The applicability of a failure criterion for the strain energy density of rock under static-dynamic loading is proposed .

对附着在基体上面心立方多晶薄膜中不同取向晶粒的应变能密度进行了计算。

We have calculated the strain energy densities for various grain orientations for a fcc polycrystalline film on a substrate .