After the success of the first ARES school in September 2019, the second Ariel school of Biarritz will be held in Biarritz from 2 to 11 October 2021. The school is open to PhD students and post-doctoral researchers, with a total headcount of 20 participants. Teaching will be presented by researchers and professors of the field, with training sessions supported by young research scientists involved in the development of the models.