esp. the one from Zoetermeer ? how is it ? These courses are expensive, therefore I look for a feedback from those who have attended this before. Please do let me know.
You may browse the examples offered in the official website of COMSOL and check if there're some relevant instances in the APP library. The documents in the APP library can help you reproduce these demonstrated results.
Meanwhile, tutorial videos may also available on the internet.
Of course the technical workshops will be more professional. You could contact the official support and pay attention to the upcomming courses (tuition may apply).