TY - THES ID - 146392086 TI - Modelling the Shear Layer Oscillation and its impact on the rotation of low-mass stars AU - Verwilghen, Pierrick AU - Pinçon, Charly AU - Dupret, Marc-Antoine AU - Beckers, Jean-Marie AU - Rauw, Grégor AU - Salmon, Sébastien PY - 2021 PB - Liège Université de Liège (ULiège) DB - UniCat KW - Stellar physics KW - Angular momentum transport KW - Hydrodynamics KW - Modelling KW - Physique, chimie, mathématiques & sciences de la terre > Aérospatiale, astronomie & astrophysique UR - https://www.unicat.be/uniCat?func=search&query=sysid:146392086 AB - In this work, we study the interaction between the Internal Gravity Waves (IGW) and the mean rotation profile occurring in Sun-like stars just below the convective zone on a thin part of the radiative zone. This interaction takes the shape of an oscillation of the rotation profile over time, the so-called Shear Layer Oscillations (SLO). The understanding of the SLO, which occurs on time scales of the order of the year, is necessary to know whether IGW can explain the disagreement between the observed low core rotation frequency in main sequence and evolved low-mass stars and the current predictions of our theoretical models. Including the effects of the SLO in a stellar evolution code, which deals with time scales of the order of the billion years (lifetime of stars), is a real challenge (due to the huge difference between the time scales of the SLO and stars). This work aims to describe the SLO through simple prescriptions in order to include its effects in such a code. ER -