YORP torques with 1D thermal model

Details YORP torques with 1D thermal model YORP torques with 1D thermal model

2010-06-21

arxiv.org/abs/1006.4001v2

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

15 pages, 10 figures, accepted to MNRAS, before language editing

Scientific paper

10.1111/j.1365-2966.2010.17223.x

A numerical model of the Yarkovsky-O'Keefe-Radzievskii-Paddack (YORP) effect for objects defined in terms of a triangular mesh is described. The algorithm requires that each surface triangle can be handled independently, which implies the use of a 1D thermal model. Insolation of each triangle is determined by an optimized ray-triangle intersection search. Surface temperature is modeled with a spectral approach; imposing a quasi-periodic solution we replace heat conduction equation by the Helmholtz equation. Nonlinear boundary conditions are handled by an iterative, FFT based solver. The results resolve the question of the YORP effect in rotation rate independence on conductivity within the nonlinear 1D thermal model regardless of the accuracy issues and homogeneity assumptions. A seasonal YORP effect in attitude is revealed for objects moving on elliptic orbits when a nonlinear thermal model is used.

Affiliated with

Also associated with

No associations

Rating

YORP torques with 1D thermal model does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with YORP torques with 1D thermal model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and YORP torques with 1D thermal model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-600808