精化杂交法可以使单元的应变能按假定的应变模式分解,由此得到相应的分解的单元刚度矩阵,而且常常可以推出显式。
By this way the element stiffness matrix can be decomposed into a series of matrices with respect to assumed strain modes.
利用单元局部频率变化率法和单元模态应变能比法,对连续梁桥进行了损伤诊断的数值模拟研究。
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
本文介绍了通过在结构单元上增加或者减少不作功的不同约束点,可以改变结构单元应变能的大小的应变能极小原理。
The thesis recommended the theory of minimum strain energy, which says the total structural strain energy can be changed by the increase and decrease of constraint number.
为了避免膜闭锁和剪切闭锁,在计算单元应变能时,用假定应变代替膜应变和平面外的剪切应变。
To alleviate the membrane and shear locking phenomena, the membrane strains and the out-of-plane shear strains are replaced with assumed strains in calculating the element strain energy.
定义了单元耗散能、可释放应变能、强度丧失和整体破坏的概念。
The concepts of energy dissipation, energy release, strength loss and abrupt structural failure of rock are defined.
该方法将单元模态应变能分解为拉压、扭转和弯曲模态应变能,利用单元的主要模态应变能分量与结构固有频率的改变量对结构裂纹位置进行识别。
In the method the modal strain energy of an element is divided into tension modal strain energy, torsion modal strain energy and bending modal strain energy.
基于可释放应变能建立岩体单元的整体破坏准则,该准则与大理岩的双压试验结果符合得比较好。
The global failure criterion of rock mass element is proposed based on the analysis of releasable strain energy and is well accordance with the result of biaxial compressive test on marble.
在加筋布局优化中,用单元应变能密度灵敏度作为删除单元的准则。
In layout optimization of stiffeners, the strain energy density sensitivity of the element was used to determine which elements of stiffeners should be deleted.
在加筋布局优化中,用单元应变能密度灵敏度作为删除单元的准则。
In layout optimization of stiffeners, the strain energy density sensitivity of the element was used to determine which elements of stiffeners should be deleted.
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