Hii,

To easily learn CFD (Computational Fluid Dynamics) online, the best websites are:

Udemy - Easy videos that demonstrate how to use software such as ANSYS.
Coursera - teaches theory and basics and provides credentials.
SimScale -  Academy is free and simple, and it runs in your browser.
edX - University-level education available for free.
MIT OCW - Free, in-depth knowledge from MIT.
CFD Direct - Ideal for OpenFOAM users.

best websites to learn CFD (Computational Fluid Dynamics):

1. Coursera: Offers university-led courses with certifications.

2. edX: Features CFD courses from top universities.

3. Udemy: Affordable courses for all skill levels.

4. CFD Online: Free resources and forums.

5. MIT OpenCourseWare: Free fluid mechanics and CFD courses.

6. LearnCAx: Specialized in CAE and CFD tutorials.