AI 中文总结
研究双曲系统自适应多物理场耦合，通过交换边界信息和用户定义耦合函数实现多域耦合，可在模拟中自适应选模型，适用于动态场景，相比计算最复杂模型大幅减少计算时间与开销。
AI 中文摘要
对于不连续伽辽金代码（此http URL），我们实现了将任意多个具有不同物理特性的域进行自适应耦合的功能。系统耦合通过边界信息交换和用户可定义的耦合函数来实现。这使我们能够耦合不共享单个变量或变量数量差异很大的系统，在处理系统层次结构时特别有用。我们的实现能在模拟过程中自适应选择耦合系统的模型，适用于如天体物理学中的高度动态场景。适应性标准可由用户定义并针对物理问题进行调整。与在整个模拟域中计算最复杂模型相比，我们的高低复杂度耦合系统方法能大幅减少计算时间且开销极小。
英文摘要
For the discontinuous Galerkin code Trixi$.$jl we implement capabilities for adaptively coupling arbitrarily many domains with different physics. The coupling of the systems is realized through the exchange of boundary information and user-definable coupling functions. This gives us the ability to couple systems that do not share a single variable or have a very different number of variables. This is particularly useful when we have a hierarchy of systems. Our implementation is such that we can adaptively select the model of the coupled systems in the course of the simulation. This allows for highly dynamical scenarios as can be found e.g. in astrophysics. The criteria for adaptivity can be user defined and tailored to the physical problem. Compared to computing the most complex model in the entire simulation domain, our method of coupled systems of high and low complexity leads to a significant reduction in computational time with very little overhead.
Comments8 pages, 11 figures
