AbstraktHot stars, namely spectral types O and B, show very strong radiatively driven stellar wind. Study and hydrodynamical simulations of stellar wind are one of the basic methods for theoretical description of observable spectral changes from that stars. It seems that usual one-component description is not valid for wind from some early B and dwarf O stars and it is necessary to use multicomponent description. In multicomponent description photon's momentum is transfered to absorbing ions and those heavy ions are sharing momentum with passive plasma (namely composed of protons) by dynamical friction. In this research I plan to use my own multicomponent time dependent code to study of multicomponent effect in these stars. Namely, I want to focus on the study and description of runaway mechanism and influence of frictional heating on this effect. Moreover, I will expand the code to the two dimensions, because I plan to check the hypothesis about possible disc creation by multicomponent effects. (en)
Cílem tohoto projektu je studium vícesložkových efektů na dynamiku hvězdného větru horkých hvězd pomocí hydrodynamických simulací. Zaměří se především na roli oddělování složek plazmatu pro případnou tvorbu a strukturu disku okolo Be hvězd.