By utilizing the properties of self-stress matrix, a technique for quickly distinguishing "necessary bars" is proposed.
利用自应力矩阵的特性，提出并证明了一种快速识别杆系结构中“必需杆”的方法。
The predicted fracture stress matrix cracking stress and crack spacing just have error less than 20% with the corresponding experimental value.
预测的断裂应力、基体开裂应力和裂纹间距与实测值最大误差在20%以内。
The resultant tensile stress in the matrix around the larger pores may induce the cracking of the pore wall.
孔隙中的压力所导致的周围孔壁中的拉应力可能引起基体开裂。
The more attention was paid for the effects of matrix, interface and fiber orientation on stress transfer and stress distribution in composite.
研究中主要讨论了基体、纤维和界面的力学性能以及纤维位向的变化对应力传递和应力分布的影响。
The finite element method is used to analyze the relationship between strength and stress of the particle reinforced iron matrix composites and the shapes, sizes and fraction volume of the particles.
采用有限元方法分析了颗粒增强铁基复合材料强度和应力与颗粒形状、尺寸以及体积分数的关系。
The field transfer matrix and point matrix are derived, and the inner force, stress and deflection of thin-walled box girder are recursivly calculated.
提出一种薄壁箱梁剪力滞后分析的传递矩阵法，实现了连续箱梁桥位移、应力及内力的一维递推求解，给出了相应的场矩阵和点矩阵。
Stress sensitivity means the influence of pressure difference produced by joint working of the matrix stress and the porous fluid pressure on the porous microstructure.
应力敏感性是指骨架应力和孔隙流体压力共同作用产生的压差对微观孔隙结构的影响。
The stress transfer at the interface requires an efficient coupling between fiber and matrix.
界面上的应力传递要求纤维与基体之间具有有效地偶联。
The tensile stress in matrix introduced by mullite particles made the cracks incline to extend into the matrix.
由莫来石颗粒引入的基体拉应力使裂纹倾向于向晶内扩展。
ADI water embrittlement was attributed to the decomposed hydrogen originated from water, resulting in hydrogen embrittlement of stress induced martensite in ADI matrix.
ADI水脆化是由于水分解的氢使adi基体组织中的应力诱变产生马氏体引起氢脆而导致的。
It can automatically search the node of the new boundary through symbolic matrix, and calculate the unloading of the node by stress of element.
通过标志矩阵自动搜索新的开挖边界节点，并由单元应力计算出节点的卸荷荷载。
Except that, stress and electric field concentrations at the boundary of matrix and inclusion are also studied.
另外，本文也研究了在夹杂与基体交界面处的应力集中和电场集中。
By applying a matrix approach, the stress wave propagating in an elastic bar is studied.
应用矩阵方法，研究了应力波在弹性杆形部件中的传输特性。
The deformation and interfacial stress of fiber and matrix are analyzed based on the linear elastic method and shear-lag theory.
通过采用线弹性理论和剪滞理论，对纤维和基体的变形及其界面应力进行了分析。
Mechanical propertys of fiber composites largely depend on stress transfer of fiber and matrix.
纤维复合材料的力学特性很大程度上依赖于纤维和基体的应力传递。
It was shown that the increased elastic modulus and yield strength relative to the elastic modulus and the yield strength of the matrix depend mainly on the contribution from the stress transfer.
分析表明，复合材料的弹性模量和屈服强度相对于基体材料弹性模量和屈服强度的增加主要来自应力传递的贡献。
Carbon fibers restrained the matrix cracks growth and diminished the crack tip stress intensity factor.
纤维对基体开裂起抑制作用并降低了裂纹尖端的应力集中。
When the stress mode is constructed by energy compatibility condition, the last stress mode involves the inverse matrix.
在利用能量协调条件构造应力模式时，最后的应力模式中含有矩阵的逆。
The article gives a matrix model of coordinate transformations in the stress condition of objects and its applications.
本文叙述了物体应力状态坐标交换的矩阵模型及其应用。
Define the plane stress D matrix.
定义平面应力d矩阵。
The collagen protein level of acellular vascular matrix was evaluated, the elongation ratio and ultimate stress were assayed as well.
测定脱细胞血管基质中胶原蛋白含量，检测血管脱细胞血管基质的伸长比、极限应力。
The equation on critical stress of matrix cracking that could consider the effect of interface layer and thermal stress can be obtained.
在此基础上建立了可以考虑界面层和热应力影响的基体开裂临界应力求解方程。
To cut down great calculation of assembling and disassembling of stiffness matrix in the nonlinear procedure, the initial stress method is introduced to resolve the nonlinear equations.
使用初应力法对非线性方程组进行迭代计算，避免了组装和分解总体刚度矩阵的繁杂而庞大的运算。
A three-dimensional transfer matrix model was presented to simulate the sound absorption coefficients of the graded polyurethanes based on relation of stress and strain of polymers.
根据高分子材料中三维应力应变关系建立了三维传递矩阵数学模型，模拟梯度聚氨酯在不同入射角下的吸声性能。
The results show that the permeability is closely related with the confined stress, hydraulic pressure and matrix suction.
结果表明，油田白垩的渗透性与其所承受的应力、渗压梯度和基质吸力都有着密切的联系。
Based on the constraint matrix method developed by Japanese scholars, a generalized constraint matrix method was proposed for calculation of the temperature stress of RCCDs.
在日本学者提出的约束矩阵法的基础上，提出了用来计算碾压混凝土坝温度应力的广义约束矩阵法。
The displacement and stress transfer matrix(DSTM) is constructed.
在此基础上建立了位移和应力传递矩阵。
By using the principle of X ray stress measurement, the bearing stress factors of matrix in composites was measured.
结合X射线应力测量原理，建立出基体承载系数的X射线应力测量方法。
The results show that the interfacial stress produced from the shrinkage of the matrix in the composites injection molding process can strain induced crystallization of th.
结果表明，该共混体系中界面应力的应变诱导致结晶作用及其所引起的基体中伸展链晶体网络结构的形成是该材料实现脆韧转变的重要原因。
In calf serum medium, the wear mechanism of fretting is mainly adhesive wear, fatigue wear and the weakening effect of solution molecules on the bone cement matrix under stress.
骨水泥在小牛血清介质中微动磨损的损伤机制主要为黏着磨损和疲劳磨损，溶液分子在应力作用下对骨水泥基体有削弱作用。
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