论文标题

通过旋转轴对称刚体的扰动引力波

Gravitational Waves by the Perturbation of a Rotating Axisymmetric Rigid Body

论文作者

Kim, Sung-Won

论文摘要

进动是天体物理学重力波产生的重要机制之一。通常,刚体的自由进动可能是由三轴体的旋转引起的。在对称体的情况下,如果只有主轴与旋转轴不一致,则会有进攻。当对称身体围绕其主要轴之一旋转时,身体就无法用进攻移动。但是,当对称体的角速度的扰动在最大矩的主要轴周围旋转时,人体就会有进攻运动。在本文中,研究了通过旋转轴对称刚体的扰动来形成引力波的特征。

Precession is one of the important mechanisms of gravitational wave generation in astrophysics. In general, free precession of a rigid body can be caused by the rotation of a triaxial body. In the case of symmetric body, if only the principal axis does not coincide with the axis of rotation, then there is the precession. When a symmetric body rotates around one of its principal axes, the body cannot move with precession. However, when there is a perturbation in angular velocity of the symmetric body spinning around the principal axis of the largest moment, the body can have a precession motion. In this paper, the wave forms and their characteristics of gravitational waves by the perturbation of a rotating axisymmetric rigid body are studied.

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