The loading - displacement curve was consistent with the loading - energy curve , and the both could explain the whole dynamic course and the phenomena of dynamic instability 结构的荷载一位移曲线与荷载一应变能曲线具有一致性,都能体现结构的动力变化过程和解释动力失稳的现象。
A corresponding program is developed . nonlinear load - displacement curve in complete - process analysis of a double - layer reticulated shell structure is traced out by the program 研制了相应有限元程序,对网壳结构进行非线性的荷载?位移全过程跟踪分析,得到网壳结构荷载?位移全过程曲线。
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。
With the modeling method in this paper , it is showed that numerical load - displacement curves agree well with the experimental skeleton curves , and that the errors of crack load are bigger , but the cra 分析表明:采用本文的建模方法,计算所得的荷载?位移曲线与试验所得的骨架曲线符合较好;开裂荷载有的误差较大,但开裂部位及过程与低周反复荷试验中某一方向加载所得的结果较为符合。
In the elastic term , the two load - displacement curves slope are similar , the new structure s slope is more greatly . stiffness is better than the traditional structure . but the new joint s crack load is littleer 在弹性阶段两者的荷载-位移曲线斜率相差不多,而且新的连接形式斜率还大一些,它的刚度较传统连接形式要好,但新的连接形式楼板开裂荷载稍偏低,应采取加强措施来提高开裂荷载。
The specified works finished are listed : 1 . with experimental load - displacement curves and acoustic emission technology , it was found that the material shows pseudo - plastic behavior under tensile loads and quasi - elastic behavior under the flexural loads 通过断裂试验的载荷位移曲线和声发射检测,发现了该材料的切口试样在拉伸载荷作用下表现为伪塑性的特征;在弯曲载荷作用下表现出准脆性的特征。
( 3 ) in this study , after building correct model and executing rational calculation , the results , which included stress - strain curve , bent chart , displacement vector chart , cracks location , loaded - displacement curve and animations about the movement of components ( 3 )本文通过合理的建模和有效的计算,得出结构在爆破后构件的应力应变情况、路径图、位移变形值、裂缝示意图及构件运动动画等结果。
A storing force model is used to simulate the load - displacement curves . the calculating results are in good agreement with the experiment results . an artificial neutral network ( ann ) program is compiled to analyze an experiment result of hsc columns subjected to axial load 本文还利用人工神经网络理论对高强混凝土柱轴压试验结果进行了研究,通过对8组试验数据的学习训练以及对2组试验数据的仿真预测,得到了满意的结果。
Based on the constitutive relationship coupled microstructure evolution , 3d - fe simulation of isothermal forging process of tc6 titanium alloy disc is performed dealing with different deformation temperature , punch velocity and shear factor of friction , effect of process parameters on equivalent strain , equivalent stress and grain size is calculated , and load - displacement curve is calculated 本文基于微观组织演变的本构关系模型,对不同变形温度、凸模速度和摩擦条件下钛合金盘的等温锻造过程进行了三维数值模拟,研究了变形工艺参数对等效应变、等效应力和晶粒尺寸的影响,计算了各变形条件下的位移?载荷曲线。
Comparison including the cracking , yielding and ultimate loads of the beam , load - displacement curve , envelop curve , the ductility and energy - dissipation capacity were made between the response of the specimens before and after strengthening . test results indicated that the yielding loads of the specimens after strengthening were improved from 12 . 3 percent to 17 . 2 percent and the improvement of specimens rehabilitated by jacketing was higher than that of the bonding steel plates one 加固后试件破坏同样发生在梁端,屈服荷载比加固前提高12 . 3 17 . 2 ,与粘钢加固相比,加大截面法加固的试件承载力提高幅度较大;加固后试件的延性和耗能性能比加固前有很大的改善,其中以粘钢加固的试件提高最为明显。