查询词典 adjoint differential expression

A sensitivity analysis of adjoint method is presented to analyze the topology optimization problems. Meanwhile, the globally convergent version of the method of moving asymptotes is used in the optimization algorithm.

提出了适用于微型柔性机构多目标拓扑优化设计的伴随矩阵敏度分析方法，并将广义收敛移动渐进算法用于多目标多约束微型柔性机构拓扑优化问题的求解。

A new control strategy is developed in which by canceling the adjoint coefficient of the former k ranks radiation modes, the sound pow...

在此基础上，文中提出了一种新的控制策略，即抵消前k阶声辐射模态的伴随系数，使得前k阶声辐射模态的声功率为零。

We obtain a completecharacterization of each bound restricting self-adjoint extension by specifying theboundary conditions of L.

我们通过具体化L的边值条件，给出了Sturm-Liouville算子的任一限界自伴扩张的完备解析刻画。

Chapter 2 is devoted to the study of positive solutions of second order self-adjoint difference equations with two classes of different boundary conditions.

当非线性项是奇函数时，在Neumann边值条件Δu(0)= 0，Δu = 0下，应用Clark定理得到了方程的多个正解。

On the basis of observation of those iffects, a model reduction is made to apply a self-adjoint operator formalism for the analysis of dynamic behaviour of th.

在对文题仿真研究的基础上，对基本模型进行了简化，并应用自伴随算子性质，导出了温度波的显式表达式。

AF C*-algebra is the self-adjoint limit algebra, so it has relatively complex structure.

AF代数是自伴的极限代数，因而结构比较复杂。

Quadratic self-adjoint matrix polynomial\mbox{'}s properties were demonstrated in detail.

系统地论证了二次自伴矩阵多项式特征值，特征向量的性质。

Each observable is represented by a densely defined Hermitian( or self-adjoint) linear operator acting on the state space.

每个可见由详细定义的厄密共轭用于状态矢量空间线性操作者来表现。

Moreover, it indicates that the error is reduced with the increase of the exponent number of the Asymptotic Boundary Conditions. In the third chapter, based on the Laplace equation, the limitation of the variation methods are deduced from the process proving the operator to be self-adjoint and positive definite.

针对二阶渐近边界条件中含有微分项的情况，第三章研究了基于变分的有限元方法对边界条件的限制，提出对所适用的边界条件的要求，从而说明针对二阶渐近边界条件问题可以采用迦辽金有限元方法。

Chapter 4 is devoted to the existence and multiplicity of homoclinic for self-adjoint nonlinear second order difference equations by using "Mountain Pass " theorem and "Symmetry Mountain Pass "theorem in critical point theory.

第四章应用临界点理论中的山路引理与对称山路引理研究了一类自共轭非线性二阶差分方程的同宿轨的存在性与多重性。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。