| 1. | Stress and crack analysis for dike after mining and collapse based on 3 - d lagrangian method
基于三维拉格朗日法的大堤应力及裂缝分析 |
| 2. | Three dimensional fast lagrangian method and its application in xiaowan arch dam stability analysis
三维快速拉格朗日法在小湾拱坝稳定分析中的应用 |
| 3. | The present mathematical model is based on the potential wave theory and the mixed euler - lagrangian method ( mel ) is employed for discretization
本文在势波理论的基础上，建立了一个能够精确计算立面二维非线性水波的数值模型。 |
| 4. | Based on the two - fluid model , the attenuation process of blast waves in sprays is simulated by using the eulerian - lagrangian method
基于双流体模型，利用euler - lagrange组合方法，对爆炸波在液雾中的衰减过程进行了数值模拟。 |
| 5. | We present and analyze a modified penalty functions ( mpf ) method for solving constrained optimization problems with inequality constraints . this method combines the modified penalty and the lagrangian methods
本文提出并分析一种解决不等式约束最优化问题的修改的罚函数法，这一方法综合利用修改的罚函数和拉格朗日法。 |
| 6. | During the course of modeling , a special lagrangian method is adopted , this method make it convenient for controlling and programming . the principium of the method is that the dynamical matrix and correlative matrix are formed by using a iterative algorithm , the algorithm has very high efficiency during programming , especially for solving complicated dynamical equation . based on the result , walk strategy and the mechanics condition for steady dynamic - walk for besiding is obtained
为了使建立的模型利于计算机控制和编程计算，文章采用了一种递推的newton - euler方法来建立机器人的力学模型，这种方法的特点是利用递推计算的办法来形成力学方程中动力矩阵和关联矩阵的元素，这就使得非常复杂的动力学方程在编程计算的时候显得非常简洁、有效，在这个基础上，文章对步行策略进行了设计，并得到了实现稳定的动态行走所必须满足的力学条件。 |
| 7. | All measures are related back to the original configuration . this technique is named as total lagrangian method . on the basis of nonlinear continuum mechanics , stress , strain and stress - strain relationship for large deformation are discussed , the expressions of geometrically nonlinear problems and matrix equations of the element free galerkin method are derived
本文在非线性连续介质力学原理的基础上分别讨论了大变形情况下应变和应力的度量、几何非线性问题的表达格式、无单元迦辽金法矩阵方程的具体形式和解法以及大变形情况下的本构关系等问题。 |
| 8. | Meanwhile some detailed researches are done on the deviation of gas in different load in tangentially - fired furnace which affords some significant directions in theory on the boiler ' s safely operation . simple method is employed in flow field prediction ; lagrangian method is used in the flow of particle and the radiant heat - transfer is simulated in monte carlo method . through summarizing these methods , the author develops a general program of large - scale power station with a friendly interface and post - disposal
本文对模拟炉内过程所采用的方法和模型进行了概括和总结，在此基础上综合这些方法和模型，如流场的计算采用的是simple方法，而颗粒相流动则是采用拉格朗日方法进行研究，辐射换热采用蒙特卡洛方法等，并且以这些模型和方法为基础，开发了大型电站锅炉的通用程序，并包括友好的界面和后处理。 |
| 9. | This paper summarized the characteristic and localizations of the special contact elements that can simulate the joints in rockmass . except for those , three kinds of numerical methods for dynamic contact analysis were introduced . then , the augment lagrangian method that combined lagrangian multiplier and penalty function was applied to the dynamic contact analysis with friction
本文阐述了模拟岩体裂隙节理的特殊接触面单元，分析其特点和局限性；介绍了三种处理动力接触问题的数值算法，利用lagrange乘子法和罚函数法联合的增广lagrange乘子法建立起裂隙节理的动力摩擦接触条件和本构方程以及有限元基本方程，并运用此数值方法分析一具有贯通节理面的动力摩擦接触问题，得出一些基本规律。 |
| 10. | In a three - dimensional ocean model with curvilinear coordinates horizontally and a coordinate vertically , the adapted grids at a layer for interpolation in the eulerian - lagrangian method ( elm ) is unreasonable over steep topography , because the vertical distance between the adjacent grids in the same a layer is too large
摘要在水平曲线坐标和垂向坐标的三维海洋模式下，欧拉拉格朗日方法的插值如果在-面相邻网格之间进行，那么在水深变化剧烈处，由于-面相邻网格之间的垂向距离较大，插值依据会显得较不合理。 |
