扩展Boussinesq方程的自适应三阶Adams-Bashforth时间步长
Adaptive Third Order Adams-Bashforth Time Stepping for Extended Boussinesq Equations
摘要：
我们建立了三阶自适应Adams-Bashforth时间步长和二阶变时间步长有限差分方程。我们将这些计划中的AdmisAdvent软件离散和解决二维扩展Boussinesq方程。该软件使用混合有限体积-有限差分方案，并利用GPU以比实时更快的速度求解方程，同时可视化它们。我们模拟了几个基准使用的自适应时间步进计划的Adjuis Advent和演示的能力，该软件在建模破波，波浪爬高，不规则波，和裂流。自适应方案显着提高了模型的鲁棒性，同时提供更快的计算性能。
英文摘要：
We develop the third-order adaptive Adams-Bashforth time stepping and the second-order finite difference equation for variable time steps. We incorporate these schemes in the Celeris Advent software to discretize and solve the 2D extended Boussinesq equations. This software uses a hybrid finite volume - finite difference scheme and leverages the GPU to solve the equations faster than real-time while concurrently visualizing them. We simulate several benchmarks using the adaptive time stepping scheme of Celeris Advent and demonstrate the capability of the software in modeling wave-breaking, wave runup, irregular waves, and rip currents. The adaptive scheme significantly improves the robustness of the model while providing faster computational performance.
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