| 1. | The effect of the wind load on the stress of hole ' s edge of point - support glass is analysed and compared by large deflection and small deflection theory respectively . and the critical wind load is offered
在本文中，风荷载对点支式玻璃幕墙承载性能的影响，就分别按大挠度和小挠度进行分析和比较，提出了按大、小挠度理论计算的临界风荷载值。 |
| 2. | J . melan proposed the deflection theory for analyzing large - spanned suspension bridge early as in 1888 . the finite element theory has been so advanced today and has been widely applied in analyzing suspension bridges
J . melan早在1888年就提出了大跨度悬索桥的挠度理论，空间有限元理论也在七十年代中期趋于成熟并广泛应用于大跨度悬索桥的分析。 |
| 3. | The main contents of the paper are as follows : 1 . based on the piezoresistive effect , large or small deflection theory , thin film ’ s stress theory and other mechanics or electricity knowledge , a piezoresistive micro pressure sensor is designed
论文的主要内容如下: 1 .利用压阻效应、大(小)挠度理论、膜的应力形变等力学、电学知识设计了一种压阻式微压力传感器。 |
| 4. | In the small deflection theory , by buckling analysis , the classical buckling critical load of integrative braid composite cylindrical shells under axial compression is get . according to the experience and the results of fem , a revised formula for calculating buckling critical load is presented
在小挠度理论中，通过前屈曲分析得到了完善的编织复合材料圆柱壳在轴压情况下的经典屈曲临界载荷，根据经验及有限元计算结果，提出了计算屈曲临界荷载的修正公式。 |
| 5. | The side displacement of the glass plate center is larger or less than the glass plate thickness , for the 3d geometric size of the glass plate and the lateral load vary in a wide range . in other words , the mechanic analysis of glass plate belongs to large deflection or small deflection theory in thin plate theory
由于幕墙玻璃的三向几何尺寸和横向荷载集度可在较大的范围内变动，玻璃板中心的侧向位移，有可能小于或大于玻璃板的厚度，也就是说，幕墙玻璃的力学分析，既可能属于薄板理论中的小挠度问题，也可能属于大挠度问题。 |
| 6. | But method based on large deflection theory was proposed in this paper . accordingly , output force and displacement of each sma actuator under anticipative attitude was obtained as well as accurate coordinate of the center of the joint and deflection curve equation of the axis of the active catheter
基于大挠度理论对主动导管做了力学和运动学分析,相应获得了预期姿态下各个sma驱动器上的输出力和输出位移,以及精确的关节中心位置坐标和导管轴线挠度曲线的具体形式。 |
| 7. | Based on this , presented a new micro pressure sensor , which adopted a si3n4 sensitive membrane ; since the membrane is very thin , we can use membrane - deflection theory to describe the deflection of the membrane under a uniformly applied load , and because with no bending stiffness , the sensitivity of the sensor was increased consequently . finally , numerical calculation of the deflection and stress analysis of the membrane was performed . by utilizing ansys simulation , we can testify that the performance of the sensor reached the design requirement
通过改进敏感元件结构，提高了其性能，从而得到适用于灵巧蒙皮表面压力测量应用的器件阵列：在此基础上，本文提出了一种新型的微型压力传感器结构，该结构采用的敏感膜片以氮化硅为材料，厚度较薄，因此该膜片的变形适用于薄膜变形理论的分析，忽略了弯曲应力的影响，从而提高了传感器的灵敏度。 |
| 8. | The deflection theory is then used to obtain the most unfavorable moment of the structure under live load , and after the preliminary controlling moment of the structure is obtained by superpositioning the dead and live load moment , the moment and hanger forces arc to be adjusted by the internal force equilibrium method to finally obtain the rational hanger forces
首先用弯矩能量最小原理求出初步索力，然后利用索力得到恒载弯矩，利用挠度理论求出活载作用下结构的最不利弯矩，将恒载与活载弯矩叠加，获得结构的初步控制弯矩后，采用内力平衡法对弯矩和索力进行调整以得到合理的索力。 |
