| 1. | A study on the dynamic mechanical behavior of cement mortar under quasi - one dimensional strain state
水泥砂浆石在准一维应变下的动态力学性能研究 |
| 2. | The equations of virtual work are deduced to analyze stress - strain states under static and fatigue loading conditions
其次,对单向层合板及层合板接头进行了大量的试验研究。 |
| 3. | The stress and strain states of concrete and reinforcing bars , initial crack load and crack development are preliminarily understood
对于孔口混凝土和钢筋的受力状态,初裂荷载和裂缝的开展规律也有了初步了解。 |
| 4. | Computer simulations in the plane strain state were performed on a model of a homogeneous tissue embedded with a circular hard inclusion and on a model with continuously varying tissue moduli , respectively
对平面应变状态下的均匀组织内含一圆形异物的模型和弹性模量连续过渡的模型分别进行了计算机仿真。 |
| 5. | The reciprocal space map of x - ray difll - action for quantum - wires is simulated successfully . abundant structural intbrmation such as array period , geometric shape , etching depth and strain state , etc . for quantum wires are obtained
模拟了量于线x射线衍射的二三维图，得到更为丰富的样品结构信息，例如周期，形状，刻蚀深度，应变等。 |
| 6. | In order to predict the deformation load and energy , the stress - strain state in the workpiece , we should have the knowledge of the constitutive relationships relating the flow - stress of deformed materials to strain , strain rat and temperature
本文就是在这一背景下，在综合考虑变形温度、初始应变速率的基础上建立了tc6钛合金本构关系的非线性模型，为制定其合理的制造工艺提供理论依据。 |
| 7. | Through theoretical analysis , experiment on site and numerical simulation , the characteristic of goal - water - gas system was analyzed during injecting water , and the mechanics properties , stress and strain state of coal and quantity of gas emission were studied
摘要通过理论分析、现场实验及数值仿真等手段，分析了注水过程中煤水瓦斯体系特征，研究了注水对煤的力学性质、应力和变形状态以及对瓦斯涌出量的影响。 |
| 8. | In order to assure that the stress and strain state of structure is secure , the author analyses respectively the objective functions of the reasonable finished state and buckle - cable adjusted phase ; thus , the optimized model based on fga is framed . finally according to the example , the computation datum are compared with the iterative forward analysis method and the optimal control theory . the result shows that this method can be used conveniently and meet the construction and design precision
为了满足大跨度钢管混凝土拱桥施工的安全性与成桥预期的内力状态和拱肋线形，本文结合工程实例，分别对合理成桥状态和扣索索长调整的目标函数的确定进行了分析，将一组多变量、多约束的最小化问题无约束化，从而建立起适合于该问题的遗传算法优化模型，将其计算结果分别与迭代前进法和随机最优控制理论进行了比较；结果表明，采用该方法编制的基于结构计算的遗传优化程序操作灵活，能很好的满足施工和设计要求。 |
| 9. | It is importance of the experiment about measuring principal stress combined bending with torsion in mechanics of materials . this paper points out shortcomings in the traditional experimental devices combined bending with torsion and establishes theory and principles for designing superminiaturizational experimental device combined bending with torsion through analyses of stress and strain state at the measured point a ( b ) . it also designs the superminiaturizational experimental device , which has smaller space and more precision and has more reasonable structure measurements in this paper
弯扭组合主应力测定实验在材料力学实验中占有重要的地位，作者指出了老式弯扭组合实验设备的缺点，通过对所测点a ( b )处应力应变状态分析，确立了设计超小型化弯扭组合实验装置的理论基础、设计原则，设计出了体积小，加载简单，结构尺寸合理，精度高的超小型化弯扭组合实验装置。 |
| 10. | The rapid development of economy , rapid process of urbanization and the continuous increase of population bring more and more stress to arable land , the total area of arable land and the average area per head of arable land decrease increasingly . and with the improvement of the people ' s standard of living , requirement to farm produce is higher . population , land and grain will be in strained state
当前我国经济的迅速发展、城市化进程的不断加快，及人口的持续增长对耕地造成的压力越来越大，耕地总面积及人均耕地面积日益减少，且随着人民生活水平的提高，对农产品的需求越来越高，人口、土地和粮食三者之间的矛盾日显突出。 |
