The Influence Of Convective Overshooting On5M☉

In this paper we calculation for the evolution of star of5M(?) from the main sequence to the red giant stage was performed, comparing the influence with convective overshooting with the influence without it. With overshooting, the evolutionary path in the HR diagram varies appreciably,The volution of the star move to high luminosity and low temperature; convective core turn bigg;the duration of the H main sequence and red giant stage phases remain unchanged, the Tc-pc relation varies appreciably too. We discuss these results theoreticallyHere,we deal convective overshooting with Schwarzshild.The size of convective overshooting is controlled by adjusting the size of convective parameter,compare with the case of the same quality which does not consider the overshooting. Specific content summarized as follows:1,Chapter1:A simple introduction of stellear structure,and why we study the convective overshooting for the steller evolutionary.2,Chapter2:A simple introduction of steller structure and evolution,by the way,instroduction some physical processes.3,Chapter3:Introduction the influence of convective overshooting on5M(?) and some concluions,at the same time,introduction the consequent of different quality,and give the impact of convective overshooting on steller envolution.4, Chapter4:summary and outlook.