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来源:百度知道 编辑:UC知道 时间:2024/09/25 19:52:47
A new model for sea ice dynamics is developed, based on a novel mathematical approach treating the equations of motion as constraints in an optimization problem minimizing the pressure field. The scale of interest here is that with grid boxes of a few kilometers, i.e. a scale where individual ice floes cannot be resolved. Following a popular analogy, I treat sea ice as a fluid with the special property that ice on this scale permits divergence, but strongly resists convergence at high concentration. This resistance is limited by the ice strength. My goal is to develop a method for determining the pressure arising from and enforcing this "semi-incompressibility" which is both mathematically elegant and computationally acceptable and whose reliance on empirical parameterizations is kept to a minimum. At the same time, the model should produce realistic results.;The pressure p is considered as a Lagrange multiplier in the constrained optimization problem minimizing the deviation

一种新的海冰动力学模型,基于一种新的数学方法治疗的优化问题,作为约束运动方程减少压力场。利息规模的是,与一个网格框几公里,也就是在浮冰个人无法解决的规模。经过流行的比喻,我当作一个特殊属性,这样规模的冰许可证分歧流体海冰,但强烈抵制,高浓度的衔接。这种抵抗是有限的冰力量。我的目标是建立一个确定的压力和执行所产生的这种“半的不可压缩性”,这是数学上都可以接受的优雅和计算,其参数化的依赖于经验的方法是保持在最低水平。同时,该模型应该产生实际的结果。;压力p是一个拉格朗日的约束优化问题的乘数,尽量减少道路没有考虑耐火板的偏差

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