| 1. | In addition , the spring element is used to simulate the bond between fibers and concrete in fem 并采用弹簧粘结单元用有限元方法模拟了纤维与基体的粘结性能。 |
| 2. | The spring elements are adopted to simulate the link between the bridge foundation and soil , and the longitudinal restraint of tracks on the superstructure of bridges 摘要采用弹簧单元模拟地基对桥梁基础的嵌固以及轨道桥面系对梁体的纵向约束作用,建立桥梁轨道桥面地基共同受力的全桥整体模型。 |
| 3. | In the paper , friction energy dissipation is discussed mainly . using nonlinear spring element and combination element , the finite element model of friction energy dissipating brace frame is established 本文针对摩擦耗能这一减震形式进行讨论,采用非线性弹簧单元、组合单元建立摩擦耗能支撑框架结构的有限元模型。 |
| 4. | Analysis makes known , what it is along the progressive failure process of the slop that be able to more reasonably make known steady along slope actual situation , utilize contact friction spring element 分析表明,边坡稳定性分析的渐进破坏法能更合理地反映边坡稳定的实际情况,利用接触摩擦弹簧元可以有效地模拟这一过程。 |
| 5. | Based on the line spring model of rice and levy , this paper sets up eight nodes line spring element and its stiffness matrixes and works out a program consist of prism element , hexahedron element and line spring element 编制了五面体单元、六面体单元和八节点线弹簧单元相结合的计算程序,计算了t型板接头表面裂纹的应力强度因子,计算值与光弹性试验结果吻合较好。 |
| 6. | It is necessary to study the effect of weak interfacial bonding on the mechanical behaviour of metal matrix composites ( mmcs ) , the micromechanical finite element method and the nonlinear spring element for the interface are employed to predict the effective behaviour of mmcs 论文采用非线性弹簧元模拟界面,用细观力学有限元法计算分析了不同界面特性下弱界面粘结的纤维增强金属基复合材料的宏细观性能。 |
| 7. | On the basis of the finite element analysis of the press - mounting machine , to solve the modeling error of the previous modeling method , a new mixed - model method using the spring element and thin - layer solid element was introduced in this thesis . an experiment designed to test the interface static stiffness was carried out and the needed modeling datum was obtained 在对压装机进行了整体建模仿真的基础上,针对压装机整体建模存在的误差问题,本文提出了一种改进的弹簧单元和薄层实体单元混合建模的方法,并依此设计了螺栓结合面静刚度测试试验,通过试验获得了建模所需的参数。 |
| 8. | A new line - spring element is established and combined into ansys , which is used to analysis of surface crack . and static case and dynamic case are solved respectively , the results are consistent well with the accepted numerical solutions . it is shown that established element is successful , and the effects of the factors on the transient response are examined in detail 在ansys中提出了一种新的线弹簧单元用于表面裂纹分析,并分别用于表面裂纹静态与动态的分析,所得结果与已有解吻合良好,说明此单元模型的建立是成功的,最后对影响表面裂纹动态应力强度因子的因素做了分析。 |
| 9. | The working stress state and the stability of typical blocks of baise rcc gravity dam are computed and studied based on the 3d non - linear finite element method ( fem ) and rigid body - spring element method ( rbsm ) . the analysis of failure process , failure mode , failure mechanism of the dam are studied with overload method and combined method in which rock strength parameters are decreased while water load is overloaded to a certain degree . in this paper , the following works are done 本文充分发挥有限单元法和刚体弹簧元法的优点,对百色rcc重力坝典型坝段( 9b 、 4b )地基稳定安全性进行数值分析和计算,从超载法、综合法等不同角度,对坝基稳定性开展研究,分析坝体和坝基破坏过程、破坏形态和破坏机理,确定坝基可能的滑动路径和滑移模式,评价工程的稳定安全性。 |
| 10. | Based on the reasonable relationship of bond - slip , by using nonlinear spring element simulating bond - slip model in columns , three - dimensional finite analysis for eccentric loading column was done with the two cases including considering and not considering the bond - slip performance between steel shape and concrete . and then the simulation results were compared with experimental results , which concluded 在合理的粘结滑移本构关系的基础上,采用非线性弹簧单元对柱中的粘结滑移进行数值模拟,分别按考虑和不考虑型钢与混凝土之间的滑移两种情况进行了三维有限元分析,与试验结果进行了分析比较,基本模拟出了构件受力性能和破环特征。 |