平流方案 advection scheme(3) advection schemes(0)   advection scheme      A NEW POSITIVE DEFINITE ADVECTION SCHEME AND THE APPLICATION OF IT TO THE MOISTURE EQUATION      一种新的正定平流方案及其在水汽预报方程中的应用 短句来源      Based on the Smolarkiewicz's scheme (1983), this paper proposes a new positively definite advection scheme which has a unconditional stibility, simple form, small implicit diffusion and clear physical sense.      本文在Smolarkiewicz(1983)方案的基础上,提出了一种新的正定平流方案。 短句来源      Three types of difference schemes of water vapor equation are introduced into IAP 9L AGCM which are Multidimensional Positive Definite Advection Transport Algorithm (MPDATA), Flux-Corrected Transport Algorithm (FCT) and Two-Step Shape-Preserving Advection Scheme (TSPAS). The simulated precipitations of 10 years corresponding with them are compared and analyzed.      分别采用3种应用比较广泛的水汽方程差分方案：多维正定平流传输方案（MPDATA）、通量修正传输方案（FCT）和两步保形平流方案（TSPAS），对大气物理所9层大气环流模式（IAP9L AGCM）的降水模拟作敏感性试验，分析比较3种方案下模式降水气候平均场的差异，从而揭示模式降水对水汽方程差分方案的敏感性。 短句来源   “平流方案”译为未确定词的双语例句      In this paper author compares the present scheme and some other known positive definite scheme by using a analytic test.      文中通过一简单的平流试验,与其它几种有名的正定平流方案进行了比较; 短句来源      The basic concept of the Semi Lagrangian method was simply introduced,and then its concrete implementation in the primitive equations model,especially in IFS model was presented.      简单介绍了半拉格朗日平流方案的基本概念，并详细总结了其在全球原始方程模式，特别是在IFS模式中的具体实现过程。 短句来源   相似匹配句对      Through comparison of our scheme and Ateniese et al.      (2000)方案。 短句来源      MATHAMATICAL STUDY ON SEMI_LANGRANGIAN ADVECTION COMPUTATIONAL SCHEME      半拉格朗日方案计算平流过程的数学研究 短句来源      The scheme overcomes the disadvantage of the C.      该方案克服了C. 短句来源      Design of breaking ice cover by pressure flow in sedimentation Basin by      水厂平流沉淀池压力水流破冰方案设计 短句来源      Paleoflood Slack Water Deposits      古洪水平流沉积 短句来源 查询“平流方案”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   advection scheme Application of a shape-preserving advection scheme to the moisture equation in an E-grid regional forecast model 例句来源       By trial-forecasting six local heavy raincases, the efficiency of the shape-preserving advection scheme in practical application has been examined. 例句来源       The LASG-REM with the shape-preserving advection scheme has a good forecasting ability for local precipitation. 例句来源       Implementation of the semi-Lagrangian advection scheme on a quasi-uniform overset grid on a sphere 例句来源       The semi-Lagrangian advection scheme is implemented on a new quasi-uniform overset (Yin-Yang) grid on the sphere. 例句来源       更多             advection schemes The radon transport test, which is a widely used test case for atmospheric transport models, is carried out to evaluate the tracer advection schemes in the Grid-Point Atmospheric Model of IAP-LASG (GAMIL). 例句来源       Theoretical analyses show that inconsistency exists between the advection schemes and the discrete continuity equation in the dynamical core of GAMIL and consequently leads to spurious sources and sinks in the tracer transport equation. 例句来源       Results of this study provide some hints for choosing suitable advection schemes in the GAMIL model. 例句来源       Analysis of a class of quasi-monotone and conservative semi-Lagrangian advection schemes 例句来源       It shows odd order finite volume advection schemes are better than even order finite volume schemes. 例句来源       更多                    Based on the Smolarkiewicz's scheme (1983), this paper proposes a new positively definite advection scheme which has a unconditional stibility, simple form, small implicit diffusion and clear physical sense. It can be easily applied to the multidimensional model. In this paper author compares the present scheme and some other known positive definite scheme by using a analytic test. Finally, the scheme is applied to the moisture equation in the FLM (the fine-mesh limited regional model of National Meteorolog...             本文在Smolarkiewicz(1983)方案的基础上,提出了一种新的正定平流方案。它是无条件计算稳定的,形式简单、物理意义清楚且阻尼小,能够很容易地应用到多维模式中。文中通过一简单的平流试验,与其它几种有名的正定平流方案进行了比较;最后将这种方案应用到国家气象中心细网格有限区域业务预报模式水汽预报方程中,避免了原水汽计算方案产生严重负水汽的问题,并对24h降水预报场进行分析。 文摘来源          LASG-REM has good prediction ability for short-range pre.cipitation, which isdemonstrated again by its real,time precipitation forecasting results in the summerChina of 1994. This paper showes the 50-day real-time prediction threat scores from June 7to July 26 and the main prediction results in June, July and August. The averagethreat scores of four thresholds, 1mm, 10mm, 25mm and 50mm per day in the 50days are 56%, 36%, 23% and 15% respectively, which are obviously higher thanlast year. The model has well ...             ＬＡＳＧ－ＲＥＭ对１９９４年我国汛期降水连续实时的预报试验结果再次表明了该模式对２４小时短期降水有很强的预报能力。本文给出了该模式从６月上旬到７月下旬连续５０天的降水实时数值预报试验的ＴＳ（ＴｈｒｅａｔＳｃｏｒｅ）技术评分以及发生在６、７、８月份主要降水过程的预报和根据大部分气象站观测降水量分析的２４小时降水量等值线的比较。从６月上旬到７月下旬，ＬＡＳＧ－ＲＥＭ连续５０天的实时降水数值预报试验的ＴＳ技术评分（模式范围）平均为：雨区范围（２４小时降水大于１ｍｍ）预报的ＴＳ值为５６％；２４小时降水大于１０ｍｍ、２５ｍｍ和５０ｍｍ的ＴＳ值分别为３６％、２３％和１５％，较１９９３年的ＴＳ评分有明显的提高。模式对１９９４年造成华南、华北严重洪涝灾害的暴雨都有很好的预报。由于模式中采用了保形水汽平流方案，在整个试验期间的水汽平流计算都未出现负水汽现象。初步的比较试验结果表明，模式中对地形的有效处理和给出较合适的水汽凝结参数对模式成功预报是重要的。 文摘来源          The basic concept of the Semi Lagrangian method was simply introduced,and then its concrete implementation in the primitive equations model,especially in IFS model was presented.The idea of the Lagrangian advection is that an observer watches the world evolve around him as he travels with a fluid particle,and the key to its implementation is the calculation of the trajectory.Taking advantage of the spherical trigonometry and a higher order approximation,the horizontal coordinates of the position for the ...             简单介绍了半拉格朗日平流方案的基本概念，并详细总结了其在全球原始方程模式，特别是在ＩＦＳ模式中的具体实现过程。拉格朗日平流的观点是跟着流体质点看流体运动，其实现的关键是流体轨迹的计算。轨迹中点和起始点水平坐标的求得可以利用球面三角，直接在球极坐标中进行，并采用一些较高的近似。为了充分获得半拉格朗日方案的益处，在起始点的内插公式其阶数至少应在四阶（三次）以上，为避免昂贵的三维三次内插，可以采用三维“准三次”内插。 文摘来源   << 更多相关文摘         相关查询: 方案 平流 通风方案 推荐方案 导流方案 阈方案 自适应方案 描述方案 方案法 平流铸造 cap方案 通讯方案  对查询结果不满意

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