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- Applying the principle of virtual displacement, derivates the equivalent element stiffness-restricted matrix of 3D nonlinear contact element; 摘要运用虚位移原理推导出三维非线性接触单元的等效单元刚度一约束矩阵；
- Applying the principle of virtual displacement,derivates the equivalent element stiffness-restricted matrix of 3D nonlinear contact element; 运用虚位移原理推导出三维非线性接触单元的等效单元刚度一约束矩阵;
- nonlinear contact element 非线性接触单元
- Integrity analysis concerned in the structure strength and fracture mechanics of the flywheel was performed using finite element software lased on nonlinear contact method. 本文采用非线性接触算法，利用有限元软件对主循环泵飞轮进行完整性分析。
- By using the method of combination of finite element with gap element this paper solves the nonlinear contact of fracturing string for horizontal wells. 本文用有限元和间隙元相结合的方法，对水平井压裂管柱的非直线性接触进行求解。
- Methods The three-dimensional finite element hip models of Chiari pelvic osteotomy was constituted to observe the regularity of stress distribution according different abductor loads using the nonlinear contact analysis. 方法建立Chiari骨盆截骨术的髋关节三维有限元模型,应用非线性接触压力分析方法,观察不同的外展肌力负荷条件下关节软骨接触压力及软骨下骨应力分布。
- The excitation value of the whole system could be derived by joint gap values and running speeds;Hertz nonlinear contact theory is used to calculate the wheel/track interaction. 系统的激励大小可由轨缝值和行车速度推导出来，并运用赫兹非线性接触理论计算轮轨之间的相互作用力。
- Secondly, the three nodes contact element obeying the elastic Coulomb friction constitutive model is presented. 并介绍了服从弹性库仑摩擦本构模型的三结点接触单元。
- For higher speeds, contact elements made of PTFE can be used. 如应用场合的速度更高,应选择用PTFE材料制造的接触件。
- Additionally, the stressand displacement of contact element are analysed, and the contact condition between"soft adapter" and rockfill dam are studied. 另外,还分析了接触单元的受力、变形情况,研究“软接头”与堆石坝之间的接触情况。
- The developed contact element has the ability to simulate each of the contact stage such as separation, sticking and frictional sliding. 所建立的接触元能模拟接触的各个阶段，如分离、粘附或有摩擦的滑移。
- S.H .Ju.J .J Stone and Rowlands,1993”A New Symmetric Contact Element Stiffness Matrix For Frictional Contact Problems,” Computer &Structure Vol.54.No.2.pp.289-301. 黄冠伦，2007，”考虑接触效应之海底埋管有限元素分析”，硕士论文，国立中兴大学土木工程研究所。
- The arithmetics of contact element, including three aspects of interface condition, Coulomb friction type and the weak formulation of interface condition are investigated in detail. 在接触单元的力学机理方面,从接触界面条件、Coulomb摩擦类型和接触界面条件的弱形式等三个方面对接触单元的算法进行了详细的研究。
- You could have contact elements with no name, and ones with several ages - neither of which meets the semantic requirements. 造成可能有些联系人元素没有姓名,并且有些元素有几个年这些都不符合语义要求。
- Contact elements are set between end plate, angles, T-stub and column flange, screw cap and neighborhood plane, bolt bar and hole. 分析中,建模时端板与柱翼缘,角钢和T形连接件与柱翼缘和梁翼缘,螺栓头(帽)与相邻板件间,螺栓杆与孔壁间都设置了反映边界状态的接触单元。
- During the simulation,the Mohr-Coulomb model was used and contact elements were applied on the interfaces between the structure and soil. 计算中采用摩尔-库仑弹塑性模型,基坑围护结构与土体之间的接触面运用接触单元。
- It used the classical coulomb friction law to model the friction between contact surfaces and introduce the so-called fictive contact elements for numerical calculation. 文章指出，这里采用的求解接触问题方法在研究断裂力学中裂 纹的张闭扩展问题时也有意义。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- Keywords HSK spindle/toolholder interface;finite element method;nonlinear contact analysis; 关键词HSK主轴/刀柄联结;有限元法;非线性接触分析;
- Keywords granular materials;discrete element method;void cell;mesoscale nonlinear contact;micro fabric;mesomechanics; 颗粒材料;离散元;空隙胞元;细观非线性接触;微观织构;细观力学;
