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Integrability of the Bariev Model with a Hard Core under open boundary conditions

Chinese Physics Letters 2003年第7期20卷 1112-1115页

作者：贺鹏斌岳瑞宏 InstituteofmodernPhysics NorthwestUniversityXi'an710069

For the Bariev model with single electron hopping, pair hopping and hard core potential, we prove the integrability of this model under open boundary conditions and obtained the Bethe ansatz equations by using the ref... 详细信息

关键词： Integrability Bariev Model Hard Core open boundary conditions

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A novel high resolution model without open boundary conditions applied to the China Seas: first investigation on tides

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Acta Oceanologica Sinica 2010年第6期29卷 12-25页

作者： YU Huaming CHEN Xueen BAO Xianwen Thomas Pohlmann WU Dexing Institute of Physical Oceanography Ocean University of China Qingdao 266100 China Institute of Oceanography Centre for Marine and Climate Research University of Hamburg Hamburg 20146 Germany

We developed a Global Ocean Circulation and Tide Model （GOCTM） with coarse grids in the open deep ocean degrading ‘smoothly’ into the highly resolved China Seas （CS） of refined grids to study the tides and circulation there.GOCTM is based on the framework of the Finite Volume approach for better mass conservation through improved transports across the discrete individual control volume.It also takes a full advantage of the geometric flexibility of unstructured mesh using a realistic global topography including the Arctic Ocean.The CS are given a special focus by refining the unstructured grids,but they are embedded into global domain naturally.Furthermore,GOCTM not only successfully avoids the treatment of the open boundaries,but also optimizes the trade-off between computational cost and model accuracy.Meanwhile,GOCTM is driven by the astronomical tide-generating potential and the secondary tide-generating potential directly,together with the wind stress and heat flux.GOCTM succeeds in reproducing the global eight principal tidal harmonic constants.Particularly,the simulated tidal results in the CS are improved compared to some other regional models with the discrepancy of 3.9 cm for M 2 tide.This idea of GOCTM can also be referred for other regional ocean study.

关键词： finite volume model GOCTM open boundary conditions the China Seas

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Ocean Model open boundary conditions with Volume, Heat and Salinity Conservation Constraints

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Advances in Atmospheric Sciences 2014年第1期31卷 188-196页

作者： WANG Qiang ZHOU Weidong WANG Dongxiao DONG Danpeng State Key Laboratory of Tropical Oceanography South China Sea Institute of Oceanology Chinese Academy of Sciences University of Chinese Academy of Sciences

open boundary conditions （OBCs） for a regional ocean model that can be integrated stably over a long timeframe, as well as satisfy the volume, heat and salinity conservation constraints, were developed. First, the idea that the inward and outward flux information can be treated separately in the OBCs was adopted. Second, in order to maintain the property that the volume, heat and salinity remains conserved in the simulation domain, conservation constraints were added to the OBCs, and an inverse method utilized to solve the constraint equations. Ideal experiments were designed to investigate the conservation property, and the OBCs were found to work efficiently to maintain the volume, heat and salinity conservation. It was found that simulations were comparable to observations when the OBCs were applied to a regional ocean model.

关键词： open boundary conditions modeling inverse method ocean circulation

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Finite Analytic Solutions of Thermally Stratified Plane Poiseuille-Benard Flow

Finite Analytic Solutions of Thermally Stratified Plane Pois...

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第九届全国水动力学学术会议暨第二十二届全国水动力学研讨...

作者： Yang Zhong-hua~* Gao Wei Huai Wen-xin State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University,Wuhan 430072,China.

＜正＞The heated layered plane Poiseuille flow is very common in the region of crystal development control technique.The Finite Analytic Method is used to simulate this kind of flow. Two kinds of OBCs are considered to determine their influence to the simulation results.The streamline with vortex,pressure and temperature contours are given to analyze the flow character. The results show that it is necessary to give initial perturbation and the initial perturbation has no effect on the finial results.The correlation curve between Reynolds number and the reciprocal of density Froude number for the vortex producing are given also.

关键词： Poiseuille-Benard flow open boundary conditions Finite Analytic Method heat transfer mixed convection.

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