246 多原点几何(MOS)与双重收敛定理:用于曲率驱动流体界面的统一框架

毕苏林
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2026/05/15
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2 mins read




多原点几何(MOS)与双重收敛定理:用于曲率驱动流体界面的统一框架


作者:张苏杭

独立研究者


摘要


本文提出多原点高维度几何(MOS)结合大数定律的统一分析框架,适配含弯曲界面的不可压缩Stokes流体问题。MOS框架将空间剖分为若干子域,各子域以自身质心为独立原点构建曲率场;不同原点下的曲率经由变换映射实现耦合,并满足上链约束条件。界面处应力跳变与曲率满足广义Young-Laplace比例关系。


文中严格建立两条独立收敛路径:


- 几何压缩收敛:在重叠覆盖条件 L<1 下,曲率耦合映射 K 为压缩映射,依托巴拿赫不动点定理可证解的唯一性;

- 统计收敛(大数定律):不受几何条件限制,当独立样本数 N\to\infty 时,统计平均曲率以概率1收敛至唯一稳态构型,收敛阶为 O(N^{-1/2})。


双重收敛体系同时兼容确定性几何求解与随机性统计逼近优势。本文拓展了嵌套原点构型、几何不变量刻画与统计误差估计,明确给出Stokes方程及曲率–应力耦合界面条件。本研究为多尺度、曲率主导的界面流动(生物膜、多相流等)建立了自洽的数理基础。


关键词:多原点几何;Stokes流;曲率耦合;大数定律;巴拿赫不动点定理;双重收敛;界面流动


文末备注:

能直接拿去数值计算、编程求解的,是:

 


-\nabla p + \mu\Delta \boldsymbol{u} + \boldsymbol{f}_K = 0

本文为理论框架摘要,完整推导、方程细节及数值验证版本将另行整理刊发。




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Published: 2026/05/15 - Updated: 2026/05/15
Total: 458 words


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