special crossing是什么意思

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An approximate analytical solution with comparative accuracy is helpful in investigating nonlinear rolling of ships and its stability.

具有一定精度的近似解析解有助于方便分析船舶非线性横摇运动及其稳定性。

Melnikov function and phase space flux are applied to analyze highly nonlinear roll and capsize of ships in the random seas in this paper.

本文应用Melnikov函数和相空间转移率研究船舶在随机波浪中的强非线性横摇运动及其倾覆问题,分析了波浪特征频率、特征波高、船舶非线性恢复力臂以及阻尼特性对相空间转移率的影响。

It is emphasized that the methods of how to apply Melnikov function for analyzing the highly nonlinear rolling and capsize of ships are introduced.

本文评述了近年来国内外研究船舶倾覆的理论和方法,总结了该领域的最新进展,重点介绍了应用Melnikov函数分析船舶强非线性横摇运动及其倾覆问题,简要介绍了相空间转移率的相关概念和它的求法,并指出它与船舶倾覆的密切联系;对国外近年来最新发展起来的应用安全池及其安全池破缺来预测船舶倾覆研究的新思想亦做了探讨,并指出今后船舶倾覆研究的发展趋势及其前景。

Ship capsizal caused by catastrophic nonlinear rolling

非线性横摇导致船舶倾覆的突变研究

The stability of ship nonlinear rolling motion is analysesed used LCEs(Lyapunov Characteristic Exponents) in this paper.

将Lyapunov特性指数用于船舶非线性横摇运动稳定性分析,阐述了Lyapunov特性指数的计算方法。

The serious nonlinear rolling, acted by outside forces or other factors, will lead ships to capsizing.

严重的非线性横摇在外力或其它因素激励下极易导致船舶的倾覆。

We obtained that for every λ>0 in the minimum problems Iλ and I∞λ,there exists α∈0,λ,such that both problems Iα and I∞α have nontrivial solutions.

讨论了一类拟线性椭圆型方程的CHOQUARD-PEKAR问题在无界区域中的非平凡解的存在性,对于极小问题Iλ和I∞λ,得到了对于每个λ>0,存在α∈(0,λ],使得Iα和I∞α可以达到。

In this paper, a concentration-compactness lemma for the problem of quasilinear elliptic equations is given, and the existence of nontrivial solutions is discussed by use of this lemma.

给出了相应的拟线性方程的定解问题的集中列紧引理 ,利用这一结果得到了方程在无界区域中非平凡解的存在性。

With the mountain pass lemma and the means of straightening the boundary,the existence of nontrivial solutions are obtained by verifing the functional J(u) corresponding to the equations satisfy the local(PS) conditions.

研究了一类含Sobolev-Hardy临界指数与Hardy项的椭圆方程,通过验证方程对应的泛函J(u)满足局部(PS)条件,运用山路引理与拉直边界的方法得到了这类方程非平凡解的存在性。

Existence of nontrivial solution for an elliptic equation;

一类椭圆型方程的非平凡解的存在性

Existence of nontrivial solutions for the p-Laplacian Problem on unbounded domain;

无界区域上p-Laplace问题的非平凡解的存在性

On the nontrivial solutions and dead core problem for the equation Δu=c︱Du(X)︱~(p-1);

关于方程Δu=c︱Du︱~(p-1)的非平凡解及死核问题

The relationship between the existence of the non-trivial solutions and the length of normal materials for the one-dimensional Ginzburg-Landau models of superconductivity with S-N-S junctions;

一维含杂质Ginzburg-Landau超导模型非平凡解的存在性与杂质厚度之间的关系

In this paper, we discuss one kind of nonlinear Volterra integral equation with the convolution kernel, and give some results on the uniqueness and approximate method of the non-trivial solutions of this equation.

本文对一类具有卷积核的非线性Ｖｏｌｔｅｒｒａ型积分方程进行了讨论，给出了关于这类方程的非平凡解的存在性和解的逼近方法的一些结果。

The non-trivial solutions of equation λ_1x_1~k+λ_2x_2~k+…+λ_nx_k~n=0 are discussed, and the upper bound of the non-trivial solutions, when k≥6, is given here.

研究了方程λ_1x_1~k+λ_2x_2~k+……+λ_nx_n~k=0的非平凡解,得出了当k≥6时此。

Ship capsizal caused by catastrophic nonlinear rolling

非线性横摇导致船舶倾覆的突变研究

Analytical method for ship nonlinear rolling in calm water

舰船在静水中非线性横摇的解析方法

Study on Nonlinear and Random Rolling Behaviors Leading to the Capsize of Ship;

导致船舶倾覆的随机非线性横摇特性研究

Study on the Nonlinear Rolling and Capsizing Mechanism of Ship in Random Longitudinal Wave

船舶随机纵浪中非线性横摇及倾覆机理研究

Study on the Visualization Method of Nonlinear Roll of Ship in the Random Seas;

随机海浪中船舶非线性横摇的可视化方法研究

Study on Survival Probability of Nonlinear Roll of Ship in the Random Seas;

随机海浪中船舶非线性横摇生存概率研究

Nonlinear Ship Rolling Analysis Based on Catastrophe Theory

基于突变理论的船舶非线性横摇运动分析

Study on non-linear rolling motion of a forced flooded ship using cell mapping method

基于胞映射法的破损进水船非线性横摇运动

Analysis of Nonlinear Rolling and Stability of a Ship in Waves;

船舶在波浪中的非线性横摇运动及其稳定性分析

The single degree of freedom second order differential equation of nonlinear rolling motion was solved numerically in time domain by using the Adams-Bashforth method.

用阿当姆斯预估－校正法数值求解时域内单自由度非线性横摇方程。

The serious nonlinear rolling, acted by outside forces or other factors, will lead ships to capsizing.

严重的非线性横摇在外力或其它因素激励下极易导致船舶的倾覆。

The possible dynamic capsizing due to branch jump phenomen on of the nonlinear rolling is also investigated.

本文还对非线性横摇的分支跳跃现象可能造成的船舶倾覆机理作了初步探讨。

Nonlinear Rolling and Capsizing of Ships in Rough Sea

随机海况下的非线性船舶横摇和倾覆

Study on the Parametrically Excited Nonlinear and Random Roll of Ships in Longitudinal Waves;

纵浪中船舶参数激励非线性随机横摇研究

Study on the Nonlinear Random Dynamic Behaviors of Ship Roll;

船舶横摇非线性随机动力学行为的研究

The safe basin and capsizing route of nonlinear random motion of the ship in the high seas are investigated in this paper.

研讨了随机海浪中船舶非线性随机横摇运动倾覆过程和安全域问题。

Generalized Predictive Rudder Roll Stabilization Control for Ships Based on Fuzzy Linear Model

基于模糊线性模型的舵减横摇广义预测控制

Nonlinear Seismic Response Analysis of High Arch Dams with Joints

有横缝高拱坝的非线性地震响应分析