NFYB21003U Fluid Mechanics
Qi-fan Wu, based on the lecture notes of Markus Jochum, Amin Doostmohamadi and Marta Mrozowska 2026
Niels Bohr Institute, University of Copenhagen

The material below is complementary to the lectures; it does not replace them. It does not replace textbooks either; instead, it should be seen as a bridge between the necessary simplifications and idiosyncrasies of classroom teaching and the overwhelming level of detail often found in textbooks.

Much of the present material is taken from Kundu's Fluid Mechanics (available online from the KU library); other sources are used and referenced whenever they appeared to be more helpful.

Introduction and Flow Kinematics
Lecture1A Slide 1
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From Newton's Second Law to the Navier–Stokes Equations
Lecture1B Slide 1
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Boundary Conditions and Gravity Waves
Lecture2A Slide 1
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Internal Waves and Normal Modes in a Continuously Stratified Noninertial Fluid
Lecture2B Slide 1
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Vorticity and Potential Vorticity
Lecture3A Slide 1
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Planetary Waves
Lecture3B Slide 1
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Computational Fluid Dynamics
Lecture4A Slide 1
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Boundary Layers and Turbulent Mixing
Lecture4B Slide 1
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Vorticity Budget on a Rotating Sphere
Lecture5A Slide 1
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Vorticity Budget in the Frictional Boundary Layers
Lecture5B Slide 1
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Dynamic Similarity
Lecture6A Slide 1
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Laminar Flow
Lecture6B Slide 1
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Instability
Lecture7A Slide 1
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Turbulence
Lecture7B Slide 1
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Introduction to Dynamical Systems and Chaos
Lecture8A Slide 1
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Problem Set 1
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Problem Set 2
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Problem Set 3
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Problem Set 4
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Test Exam
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