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Course content

MEK3230 gives an introduction to fluid mechanics i.e. the mathematical description of the motion of liquids and gases (fluids). The course gives a continuum description of fluids, which is based on the equations for mass conservation and momentum balance (Navier Stokes equations). Fluid mechanics is essential to a wide range of industrial applications such as offshore technology, oil and gas industry, wind energy, meteorology, geological flows as well as biological systems, where the course is an ideal starting point for students with a broad interest in mathematical applications. 

Learning outcome

After completing the course you:

  • will have knowledge about the properties of fluids – incompressibility, Newtonian fluids, viscosity, etc.;
  • can use scaling arguments to define and explain fluid flows;
  • can describe viscous and inviscid flows;
  • can analytically solve simple flow phenomena through the basic equation for fluid motion;
  • can describe typical free-surface flows that couple the interface dynamics with the fluid motion;
  • can use scaling and geometry to simplify Navier Stokes equations to simple models that can be solved analytically; 


Students who are admitted to study programmes at UiO must each semester register which courses and exams they wish to sign up for in Studentweb.

If you are not already enrolled as a student at UiO, please see our information about admission requirements and procedures.


Formal prerequisite knowledge

In addition to fulfilling the Higher Education Entrance Qualification, applicants have to meet the following special admission requirements:

  • Mathematics R1 (or Mathematics S1 and S2) + R2

And in addition one of these:

  • Physics (1+2)
  • Chemistry (1+2)
  • Biology (1+2)
  • Information technology (1+2)
  • Geosciences (1+2)
  • Technology and theories of research (1+2)

The special admission requirements may also be covered by equivalent studies from Norwegian upper secondary school or by other equivalent studies (in Norwegian).

Recommended previous knowledge

FYS-MEK1110 – Mechanics, MEK1100 – Vector Calculus, MAT1100 – Calculus, MAT1110 – Calculus and Linear Algebra and MAT1120 – Linear Algebra

Overlapping courses

*The information about overlaps for discontinued courses may not be complete. If you have questions, please contact the Department. 


6 hours of lectures and exercises/colloquia per week. The exercises are mainly based on independent work from the students. The students must hand in compulsory assignments.

As the teaching involves laboratory and/or field work, you should consider taking out a separate travel and personal risk insurance. Read about your insurance cover as a student.


mandatory assignments.

Final written examination.

Examination support material

Rottmann's formula list and approved calculator.
Information about approved calculators (Norwegian only)

Language of examination

Subjects taught in English will only offer the exam paper in English.

You may write your examination paper in Norwegian, Swedish, Danish or English.

Grading scale

Grades are awarded on a scale from A to F, where A is the best grade and F is a fail. Read more about the grading system.

Explanations and appeals

Resit an examination

Students who can document a valid reason for absence from the regular examination are offered a postponed examination at the beginning of the next semester.

Re-scheduled examinations are not offered to students who withdraw during, or did not pass the original examination.

Withdrawal from an examination

It is possible to take the exam up to 3 times. If you withdraw from the exam after the deadline or during the exam, this will be counted as an examination attempt.

Special examination arrangements

Application form, deadline and requirements for special examination arrangements.


The course is subject to continuous evaluation. At regular intervals we also ask students to participate in a more comprehensive evaluation.

Facts about this course






Every autumn


Every autumn

Teaching language