Modeling Gravitational Collapse

将研究引力坍缩的过程，重点是强场效应和黑洞形成的阈值。 这项工作将研究各种轴对称物质场的坍缩。 一个数值代码已经开发和成功测试真空引力坍缩和标量场坍缩在轴对称将扩展到新的方向，以考虑额外的领域和更极端的情况。 包括在这些方向是自适应网格细化（AMR），这将提供高分辨率的大动态范围的合并。 一个额外的重力自由度将被添加以及电磁。 我们将继续利用黑洞切除研究黑洞与玻色子星的正面碰撞，这一工作将促进对强场引力的理解，并将提供有关黑洞形成和演化的新的重要动力学结果。 此外，这项工作将有助于正在进行的计算实验室的开发，利用该实验室探索宇宙中的引力过程和天体物理学物体。

The process of gravitational collapse with an emphasis on strong field effects and the threshold of black hole formation will be studied. This work will examine the collapse of a variety of matter fields with axial symmetry. A numerical code which has been developed and successfully tested for vacuum gravitational collapse and scalar field collapse in axisymmetry will be extended in new directions in order to consider additional fields and more extreme scenarios. Included in these directions is the incorporation of adaptive mesh refinement (AMR) which will provide high resolution for large dynamic ranges. An additional gravitational degree of freedom will be added as well as electromagnetism. Work will continue on examining the head-on collision of black holes and boson stars using black hole excision.This work will advance understanding of strong field gravity and will provide new and important dynamical results concerning black hole formation and evolution. In addition, this work will aid in the ongoing development of a computational laboratory with which to explore the gravitational processes and astrophysical objects in the universe.