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Mathematics III: Partial Differential Equations
Mathematik III: Partielle Differentialgleichungen
Last Updated: 2026-02-05 16:15:16
Abstract
Examples of partial differential equations. Linear partial differential equations. Separation of variables. Fourier series, Fourier transform, Laplace transform. Applications to solving commonly encountered linear partial differential equations (Laplace's Equation, Heat Equation, Wave Equation).
Objective
Classical tools to solve the most common linear partial differential equations.
Content
1) Examples of partial differential equations - Classification of PDEs - Superposition principle 2) One-dimensional wave equation - D'Alembert's formula - Duhamel's principle 3) Fourier series - Representation of piecewise continuous functions via Fourier series - Examples and applications 4) Separation of variables - Solution of wave and heat equation - Homogeneous and inhomogeneous boundary conditions - Dirichlet and Neumann boundary conditions 5) Laplace equation - Solution of Laplace's equation on the rectangle, disk and annulus - Poisson formula - Mean value theorem and maximum principle 6) Fourier transform - Derivation and definition - Inverse Fourier transformation and inversion formula - Interpretation and properties of the Fourier transform - Solution of the heat equation 7) Laplace transform (if time allows) - Definition, motivation and properties - Inverse Laplace transform of rational functions - Application to ordinary differential equations
Resources
Lecture Notes
See the course web site (linked under Lernmaterialien)
Literature
1) S.J. Farlow, Partial Differential Equations for Scientists and Engineers, Dover Books on Mathematics, NY. 2) N. Hungerbühler, Einführung in partielle Differentialgleichungen für Ingenieure, Chemiker und Naturwissenschaftler, vdf Hochschulverlag, 1997. Additional books: 3) T. Westermann: Partielle Differentialgleichungen, Mathematik für Ingenieure mit Maple, Band 2, Springer-Lehrbuch, 1997 (chapters XIII,XIV,XV,XII) 4) E. Kreyszig, Advanced Engineering Mathematics, John Wiley & Sons (chapters 1,2,11,12,6) For additional sources, see the course web site (linked under Lernmaterialien)
General Information
- Language
- German
- Levels
- BSC
- Frequency
- Yearly recurring
Examination
- Type
- session examination
- Mode
- written 120 minutes
- Aids
- Formelsammlung von Dr. Keller, die auf moodle zur Verfügung gestellt wird.20 A4-Seiten Notizen, die selbst von Hand auf Papier geschrieben worden sind.Kein Taschenrechner.
Course Components
| Type | Title | Time & Place | Hours |
|---|---|---|---|
| lecture | Mathematik III: Partielle Differentialgleichungen |
|
2 h weekly |
| exercise |
Mathematik III: Partielle Differentialgleichungen
Groups are selected in myStudies.
|
|
1 h weekly |