查询词典 Lagrangian function
- 与 Lagrangian function 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The universal and not computable randomness test function defined by Kolmogorov is approximated using the Lagrangian coefficients of common support vector machine in the light of their physical meanings.
在一些高风险和重要的应用场合,如个人身份认证、医疗信号诊断以及金融分析决策等,置信判断显得更为重要和实用。
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Considering that the temperature gradient through thickness is much higher than that through width and length of plate, in this model, the governing equation of heat transfer was simplified as a one dimensional differential equation, and the series function solution for temperature is established in Lagrangian coordinate setting.
在该模型中,考虑到轧件厚度方向的温度梯度远大于沿宽度和长度方向的温度梯度,因而将热传导方程简化为一维微分方程,基于拉格朗日坐标建立了温度场的级数解法。
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In order to reasonably depict four basic problems with friction, one Coulomb friction new form in first Kirchhoff stress is proposed to deal with finite deformation problems, other Coulomb friction form in incremental mode to elastoplastic flow theory; Hilbert function spaces concerning elastoplastical problems with friction are established, so it makes all operations and calculations in the treatise standardized within the scope of reasonably topologic structure; In view of functional extremum, the equivalence between generalized variational inequalities principles in elastoplasticity with friction and corresponding basic problems are testified by inducing Lagrangian multipliers, so it provides a rationally theoretical basis for numerical methods in elastoplasticity with friction; From the viewpoint of variational inequality, the theory of generalized variational inequalities in elasticity and elastoplasticity with frictional constraint is studied, and the uniqueness and existence of the solution of FEM is proofed under the proposed conditions of stress compatibility, and them FEM approximation and a discrete solution are discussed; Based on the principles of generalized variational inequalities in elastoplasticity with friction, direct generalized variational inequalities methods is pretended, which is a natural generalization and development of direct variational methods; Using generalized variational inequalities methods, some examples in metal forming including plane deformation, upset and extrusion are analyzed and the results prove that all the theories and methods in the paper are right, feasible, accurate and advanced.
主要内容有:为了合理地描述金属塑性成形中摩擦约束弹性、弹塑性基本问题,提出和研究了有限变形下以Kirchhoff第一应力表示的Coulomb摩擦定律形式和弹塑性流动理论下以增量形式表示的Coulomb摩擦定律表示形式;系统建立了摩擦约束弹塑性问题的Hilbert函数空间,使本文规范在一个具有合理的代数拓扑结构内进行一切操作和运算;利用Lagrange乘子,从泛函极值的角度系统地阐述和论证了一系列摩擦约束弹性、弹塑性广义变分不等原理与相应的实际问题之间的等价性,它为处理摩擦约束的弹塑性力学数值方法提供了合理的理论基础;从变分不等式的角度出发,阐述了对应于摩擦约束弹性、弹塑性问题的广义变分不等式理论,首次提出了在应力相容性条件下,它的有限元解具有存在唯一性,进而讨论了其有限元近似及离散解法;基于摩擦约束弹塑性广义变分不等式原理,首次提出了直接广义变分不等式方法,这一方法是直接变分法的合理推广和发展;利用直接广义变分不等式方法对金属压力加工中的平面变形问题、镦粗、挤压等塑性成形问题进行了分析计算,验证了该理论和数值算法的正确性、实用性、精确性和优越性。
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Furthermore,we find that the total time derivative of a function in Lagrangian has some relationship with phase factor of the wave function.
而且在具体计算过程中,我们发现在经典Lagrange量中的全微分项与波函数的相位有一定关联,但我们知道Lagrange量中的全微分项对其所对应的经典运动方程并没有影响,它可以在经典力学中被任意地舍去。
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For linear complementarity problems , a new smooth merit function is constructed, the linearity of LCP is well preserved as the piecewise quadratic convex property of it. By using the merit function a new Lagrangian multiplier method is proposed.
对线性互补问题,首次得到一种乘子固定时具有分片二次凸性质的光滑价值函数,它在光滑条件下完好保持了原问题的线性性质,基此提出了Lagrange乘子法。
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Presents again a new formulation of Lagrange s equations by using an augmented Lagrangian function with the second order non linear nonholonomic constraint equations.
以Dirac方程为依据,求出了在电磁场作用下,质量为m ,自旋为 1 /2的荷电粒子在场中运动时的能量本征值及其拉氏函数密度的明显表示式,并对其微观物理机制作出了较为明晰的解
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Presents a new formulation of Lagrange s equations by using an augmented Lagrangian function with the first order non linear nonholonomic constraint equations, and offers a unified variational approach to both holonomic and nonholonomic constraints.
采用带有二阶非线性非完整约束方程的扩张性拉氏函数,建立起了拉格朗日方程的又一新公式,该新公式较为规则,它提供了一种完整约束系统和非完整约束系统两者统一的变分方法。
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This paper discusses the yield function, loading unloading criterion and constitutive equation of Lagrangian finite deformation elastic-plasticity theory. Finally, Lagrangian finite elastic plasticity theory is used on constitutive models of elastic-plasticity at infinitesimal strain, and the complete constitutive relation for singular yield surface theory is obtained.
本文讨论了Lagrange型有限变形弹塑性本构理论的屈服函数、加卸载准则、本构方程等,最终将Lagrange型有限变形弹塑性本构理论应用于小变形情况下的奇异屈服面弹塑性模型,得出了完整的Lagrange型有限变形弹塑性本构理论。
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As an application, we develop the real-valued implicit Lagrangian and the corresponding smooth merit function for SCCP, and give a necessary and sufficient condition for the stationary point of the merit function to be a solution of SCCP.
在一致Ca(来源:ABC5fe9论文网www.abclunwen.com)rtesian-P性质下,证明此价值函数可为SCCP提供一个全局误差界。最后,给出了求解SCCP的一个混合牛顿算法。
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In this paper, the Hestenes-Powell augmented Lagrangian function is again considered, for solving equality constrained problems via unconstrained minimization techniques.
在适当的条件下,我们建立了Hestenes-Powell 增广拉格朗日函数在原问题变量空间上的无约束极小与原约束问题的解之间的关系,并且也给出了Hestenes-Powell 增广拉格朗日函数在原问题变量和乘子变量的积空间上的无约束极小与原约束问题的解之间的一个关系。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。