| 1. | Static deformation of a beam with directional attached piezoelectric elements 用固支梁挠度曲线模拟高速路基本超车过程 |
| 2. | The computational load versus deflection curves agree with the test results 计算得到的荷载?挠度曲线基本吻合试验曲线。 |
| 3. | 3 . the test study indicates that the load - deflection curves of frp reinforced concrete beams reinforced can be divided into two linear stages through the boundary point of initial cracking 试验研究表明,纤维增强塑料筋混凝土受弯构件的荷载挠度曲线以截面初裂为界限点分为两个线形阶段。 |
| 4. | Five prestressed concrete testing beams were designed with different reinforcing distance . based on experiments of frp prestressed concrete beams , failure pattern 、 load - deflectioncurve 、 stress increasing and so on are studied systematically 设计了五根不同加固距离的试验梁,对试验梁的受力过程、破坏形态、荷载-挠度曲线、纤维筋应力增量等进行了详细分析。 |
| 5. | For each curvature incremental step , a deformed curve in the correspondi ng state can be determined for the column . through the iteration for all incremental steps until the solution is convergent , the complete load - deformation relation can then be obtained 对各曲率增量进行反复迭代,直至得到收敛解,就获得了长柱从加载到破坏的全过程变形曲线及荷载-挠度曲线。 |
| 6. | The load - displacement curves and moment - curvature curves that calculated from the full - course analysis program are in accordance with the resuits of experimental especially in prime period of ioad presents the program is avaiiable 试验和全过程分析得到的荷载-挠度曲线对比表明:在加载前期两者的曲线吻合较好,证明全过程分析能反映碳纤维加固梁的受力特点及程序的正确性。 |
| 7. | Two methods were compared with the finite element method and experiment . it proved that method based on large deflection was reasonable and effective . it can provide initial parameters for the design of sma actuator 与相关研究中采用的将挠度曲线假设为圆弧的方法进行了对比,通过有限元方法和实验进行了验证,结果表明,基于大挠度理论的研究方法更为合理有效,并且这种方法还可以为sma驱动器的设计提供初始参数。 |
| 8. | And the calculated results closely coincide with experimental results . furthermore , the paper , through applying the improved algorithm to the load - deflection curve and secondary load , also the calculated curves closely coincided with experimental results ( showed as chart 3 . 17 - 3 . 20 ) 本文还将改进的算法运用于粘贴加固受弯构件的荷载?挠度曲线和二次受力问题的计算中,得出与试验结果吻合较好的计算曲线(图3 . 17 3 . 20 ) 。 |
| 9. | Then , by analyzing the extensive test data of load - displacement and bear - curvature , we can conclude that the crack resistance , bearing capacity of normal section and short - dated rigidity will be improved a lot when the strength of concrete is not so low 然后,通过对各组试件的荷载-挠度曲线的进一步分析表明:对于混凝土强度等级高于c15的钢筋混凝土梁,采用这种粘角钢加固法能有效提高钢筋混凝土梁的正截面承载力和短期刚度。 |
| 10. | Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves . we fit the derivative of second order of curves by a polynomial fitting , then find an indefinite integral of this polynomial to get a approach of curves . otherwise , we discuss the analyze of the error and the optimize of fairing to this arithmetic 提出了一种针对小挠度曲线的逆向曲线光顺算法,该算法直接拟合曲线型值点列的二阶导数曲线,然后通过两次积分来反求出光顺后的曲线,并对该算法的误差分析、效果分析、光顺优化等问题进行了深入探讨。 |