NuGrid：用SPH在3D中实现高精度双简并合并模拟
NuGrid: Toward High Precision Double-Degenerate Merger Simulations with SPH in 3D
摘要：
我们目前的初步结果，从最近的高分辨率双退化合并模拟与光滑粒子流体动力学（SPH）技术。我们特别强调在我们的努力验证和确认，并显示在初始条件设置的模拟的最终结果的细节的重要性。我们还强调包括冲击的模拟动力学的重要性。这些结果代表了一系列模拟的第一步，这些模拟将揭示双简并合并是否是通向1a型超新星的可行途径。在未来的模拟中，我们将利用NuGrid合作的能力，在后处理SPH粒子轨迹与一个完整的核网络，以遵循详细的核反应在动态合并阶段。
英文摘要：
We present preliminary results from recent high-resolution double-degenerate merger simulations with the Smooth Particle Hydrodynamics (SPH) technique. We put particular emphasis on verification and validation in our effort and show the importance of details in the initial condition setup for the final outcome of the simulation. We also stress the dynamical importance of including shocks in the simulations. These results represent a first step toward a suite of simulations that will shed light on the question whether double-degenerate mergers are a viable path toward type 1a supernovae. In future simulations, we will make use of the capabilities of the NuGrid collaboration in post-processing SPH particle trajectories with a complete nuclear network to follow the detailed nuclear reactions during the dynamic merger phase.
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