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开边界     
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  open boundary
     The Gaudin formula for the case of XXX-1/2 spin chain with integrable open boundary condition
     可积开边界条件下XXX-1/2自旋链模型的Gaudin公式
短句来源
     The open boundary has a significant impact on the uptake and storage of anthropogenic CO_2 in the area south of 10°N.
     开边界对于10°N以南太平洋吸收和贮存人为CO2有很大影响.
短句来源
     The Exact Solution of Hubbard Model with Open Boundary Conditions
     开边界条件的Hubbard模型的精确解
短句来源
     Exact Solution of a New Class of Hubbard-Type Models with Open Boundary Conditions
     开边界条件下一类新Hubbard模型的精确解
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     Utlizing the factorizing F operator in the quantum space,the scalar products of the Bethe states are directly calculated and the Gaudin formula is proved for the case of XXX 12 spin chain under the integrable open boundary condition.
     利用量子空间可因式化F算子 ,在量子反散射的框架内计算出了可积开边界条件下XXX 12 自旋链模型的Bethe态的标量积和模 ,得到了用谱参量函数的行列式表达的开边界条件下的Gaudin公式 .
短句来源
更多       
  open boundary conditions
     The Exact Solution of Hubbard Model with Open Boundary Conditions
     开边界条件的Hubbard模型的精确解
短句来源
     Exact Solution of a New Class of Hubbard-Type Models with Open Boundary Conditions
     开边界条件下一类新Hubbard模型的精确解
短句来源
     Optimizing open boundary conditions of nonlinear tidal model using adjoint methodⅡ. Assimilation experiment for tide in the Huanghai Sea and the East China Sea
     利用伴随法优化非线性潮汐模型的开边界条件Ⅱ.黄海、东海潮汐资料的同化试验
短句来源
     Optimizing open boundary conditions of nonlinear tidal model using ad joint method Ⅰ.The establishment of ad joint model and twin-experiment
     用伴随法优化非线性潮汐模型的开边界条件Ⅰ.伴随方程的建立及“孪生”数值试验
短句来源
     A new class of Hubbard-type models with open boundary conditions in one dimension is studied in the frame- work of coordinate Bethe ansatz method. The energy spectrum,integrable boundary conditions and the corresponding Bethe ansatz equations are derived.
     用坐标Bethe ansatz方法详细研究了开边界条件下一类新Hubbard模型的可积性问题.得到了系统的能谱、可积边界条件和Bethe ansatz方程.
短句来源
更多       
  open boundary condition
     The Gaudin formula for the case of XXX-1/2 spin chain with integrable open boundary condition
     可积开边界条件下XXX-1/2自旋链模型的Gaudin公式
短句来源
     Utlizing the factorizing F operator in the quantum space,the scalar products of the Bethe states are directly calculated and the Gaudin formula is proved for the case of XXX 12 spin chain under the integrable open boundary condition.
     利用量子空间可因式化F算子 ,在量子反散射的框架内计算出了可积开边界条件下XXX 12 自旋链模型的Bethe态的标量积和模 ,得到了用谱参量函数的行列式表达的开边界条件下的Gaudin公式 .
短句来源
     The q-boson hopping model with integrable open boundary condition
     可积开边界条件下的q形变玻色子模型
短句来源
     Abstract The Lax pair for the XYZ model under the open boundary condition is explicitly constructed and the general boundary K matrices are obtained.
     明显构造了开边界条件下XYZ模型的Lax对,进而得到了其一般边界K矩阵
短句来源
     The Commutation Relations and the N-particle State for he Three Component Bariev Model under Open Boundary Condition
     三分量开边界Bariev模型的基本对易关系式及多粒子态波函数
短句来源
更多       
  open boundaries
     By creating a large scale computing grid (south to Kanmen, north to Lianyun Harbor, west to 125.15°E )of Changjiang estuary and Hangzhou Bay and their neighboring sea areas and using up to date data of tidal stations, 8 major tidal constituents, M2, S2, N2, K2, K1, O1, P1 and Q1, are simulated more accurately. And thus more accurate tidal level boundary condition can be given at the open boundaries of models of Changjiang estuary.
     通过建立一个长江口杭州湾附近海域计算范围南达坎门,北至连云港,西到东经125.15°E的大区域计算网格,利用最新的验潮站资料,更加精细的模拟8个主要分潮M_2、S_2、N_2、K_2、K_1、O_1、P_1和Q_1,为长江河口模型提供开边界上的更加准确的潮位边界条件;
短句来源
     A twenty four month control run was performed using climatological monthly mean wind stresses and heat and salt fluxes as surface forcing and observational oceanic inflow at open boundaries.
     用气候月平均风应力和热、盐通量作为表面强迫,同时利用了观测的开边界的入流出流进行了24个月的积分。 通过下列实验对上述外部强迫项的季节平均影响进行了表述和分析:
短句来源
     Based on the physical framework of modular ocean model(MOM) and taking the physical process at open boundaries into appropriate consideration, a regional ocean numerical model is developed.
     基于MOM模式的物理框架,妥善考虑了开边界的物理过程,改造和发展了一个区域海洋数值模式。
短句来源
     Transport across the open boundaries has significant contribution to the distribution of the stream functions , especially to the boundary current along the northern continental slope and the western shore of the SCS.
     开边界流量对南海流函数分布有重要影响,特别对南海北部陆坡边界流和西边界流有重要贡献。
短句来源
     Seven main constituents are added to the open boundaries for perfectly simulating astronomical tides.
     为了较高精度的模拟天文潮,在开边界加上了七个主要分潮。
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      open boundary
    In the second problem, the function of internal anode is served by the open boundary of plasma with zero anode drop.
          
    Using the Hartree-Fock approximation, analytic solutions of the Schr?dinger equation were obtained for a strong electromagnetic field with open boundary conditions.
          
    The Schr?dinger equation with open boundary conditions was solved numerically; the solutions make it possible to describe the coherent oscillations in a resonance-tunnel diode in a wide range of frequencies and amplitudes of the fields.
          
    Approximate open boundary conditions for a class of hyperbolic equations
          
    Initial-boundary value problems formulated in spatially unbounded domains can be sometimes reduced to problems in their bounded subdomains by using the so-called open boundary conditions.
          
    更多          
      open boundary conditions
    Using the Hartree-Fock approximation, analytic solutions of the Schr?dinger equation were obtained for a strong electromagnetic field with open boundary conditions.
          
    The Schr?dinger equation with open boundary conditions was solved numerically; the solutions make it possible to describe the coherent oscillations in a resonance-tunnel diode in a wide range of frequencies and amplitudes of the fields.
          
    Approximate open boundary conditions for a class of hyperbolic equations
          
    Initial-boundary value problems formulated in spatially unbounded domains can be sometimes reduced to problems in their bounded subdomains by using the so-called open boundary conditions.
          
    In the data assimilation experiments, three types of unknown parameters (water depth, bottom friction and tidal open boundary conditions in the model equations) are chosen as control variables.
          
    更多          
      open boundary condition
    The present paper shows that -norm, which has been used in the field of control theory, can reveal the traffic jam phenomenon in an optimal velocity traffic model under an open boundary condition.
          
    We carry out Density Matrix Renormalization Group (DMRG) calculations on the interchain coupling model for the quasi-one-dimensional organic ferromagnets under open boundary condition.
          
    The beta effect, the momentum advection and the open boundary condition have little influence on the circulation pattern.
          
    [2-4] there is an Adaptive Open Boundary Condition (AOBC) designed for transient waves which overcomes the limitation of the existing Open Boundary Condition (OBC) and can be used for the cases of waves with arbitrary incident angles.
          
    A significant improvement of the open boundary condition which was originally studied by Engquist and Majda is given.
          
    更多          
      open boundaries
    The coastal circulation model is used to simulate the semi-diurnal tidal circulation and associated nonlinear dynamics with the M2 forcing specified at the model open boundaries.
          
    The second is an accurate absorbing impedance boundary condition to represent open boundaries which is proved to be an efficient absorbing boundary.
          
    Correlation functions in the Calogero-Sutherland model with open boundaries
          
    In the open boundaries case for one species of particles (particles 1), a passage from first to second order transition occurs by decreasing the jumping rate.
          
    We present a study of the one-particle spectral properties for a variety of models of Luttinger liquids with open boundaries.
          
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    Surface wave propagation in shallow water of varying depth is considered.The long wave model applied in this paper is of the generalized Boussinesq class.Both the nonlinear and dispersive effects are taken into account in the model.The nonlinear governing equations are solved numerically by a finite-difference method with a simple approximate open-boundary condition as an initial-boundary value problem. The development of the original solitary wave climbing up/down over a gentle slope is described by the numerical...

    Surface wave propagation in shallow water of varying depth is considered.The long wave model applied in this paper is of the generalized Boussinesq class.Both the nonlinear and dispersive effects are taken into account in the model.The nonlinear governing equations are solved numerically by a finite-difference method with a simple approximate open-boundary condition as an initial-boundary value problem. The development of the original solitary wave climbing up/down over a gentle slope is described by the numerical examples.The numerical examples also demonstrate the process of wave transformation when a solitary wave is progressing over a slope onto a shelf.On the shelf the wave disintegrates into a train of solitary waves of decreasing amplitude. New results explored here include the interesting phenomenon of two solitary waves interacting over the inclined ramp and the effect of the variation in depth on this interaction, the fission of them and their phase shift.

    本文考虑表面波在底深变化的浅水中的传播.这里采用的长波理论模型同时计入非线性效应和扩散效应,是属于推广的Boussinesq级的.非线性偏微分方程组按初一边值问题用有限差分法数值求解,这里包括对开边界条件的近似处理.

    An improved model for the prediction numerically the nonlinear water wave force exerted on offshore structure is proposed. In a previous work, the authors presented a model for the same purpose with an open boundary condition imposed, where the wave celerity has been defined constant. Generally, the value of wave celerity is time-dependent and varying with spatial location. Within the present model the wave celerity is evaluated by an upwind difference scheme, which enables the improved model could be extended...

    An improved model for the prediction numerically the nonlinear water wave force exerted on offshore structure is proposed. In a previous work, the authors presented a model for the same purpose with an open boundary condition imposed, where the wave celerity has been defined constant. Generally, the value of wave celerity is time-dependent and varying with spatial location. Within the present model the wave celerity is evaluated by an upwind difference scheme, which enables the improved model could be extended to conditions with variable finite water depth, where the value of wave celerity varies with time as the wave approching to the offshore structure. The finite difference method incorporated with the time-stepping technique in time domain developed here makes the numerical evolution effective and stable. Computation of examples on interaction between surface-piercing vertical cylinder and solitary wave or cnoidal wave train demonstrates the validability as what was expected.

    本文提出离岸海洋工程结构物(固定式)承受非线性波浪力的数值计算方法,是对文献[9]内容的改进。在开边界的辐射条件中波速C不假设为常数,而通过迎风差分格式确定局部波速的瞬时值。使得原模型可以合理地推广至变有限水深情况。本文所提出的空间有限差分法与时域的步进法能有效地和稳定地进行数值计算。以孤立波和椭圆余弦波对圆柱体的作用分析为例,数值结果表明了预期的效果。

    The model tests of cooling water engineering for Sunan Nuclear Power Plant and for Zhanjiang Thermal Power Plant have been carried out. The advantages and disadvantages of the distorted and undistorted models are discussed. The differences of circulation from the near field between the two types of models not only depend on the distortion ratio but also depend on the layout and the type of outlet and intake. Whether the temperature rise of inlet water on undistorted model could represent the total temperature...

    The model tests of cooling water engineering for Sunan Nuclear Power Plant and for Zhanjiang Thermal Power Plant have been carried out. The advantages and disadvantages of the distorted and undistorted models are discussed. The differences of circulation from the near field between the two types of models not only depend on the distortion ratio but also depend on the layout and the type of outlet and intake. Whether the temperature rise of inlet water on undistorted model could represent the total temperature rise depends on the similarity of temperature at the model open boundary.

    通过苏南核电厂和湛江火电厂冷却水工程的正态和变态物理模型试验,对正态和变态模型的优缺点进行了比较,并分析了模型变态率对近区温度场的影响。近区热水短路所引起的取水温升不仅同变态率有关,而且同排取水工程的布置和型式有关。正态模型的取水温升能否反映总的取水温升,取决于模型开边界温度条件的相似性。

     
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