# MA8103 Non-Linear Hyperbolic Conservation Laws

#### Spring term 2020

### General information

**Background:** In the course we study a class of nonlinear partial differential equation called hyperbolic conservation laws. These equations are fundamental in our understanding of continuum mechanical systems, and can be used to describe mass, momentum and enery conservation in mechanical systems. Examples of the use of conservation laws you may have seen in TMA4305 Partial differential equations and TMA4195 Mathematical modeling as well as in courses in physics and fluid mechanics. The equations share many properties that make numerical computations difficult. The equations may, for instance, develop singularities in finite time from smooth initial data. These equations have been extensively studied due to their importance in applications. Examples of applications include weather forecasting, flow of oil in a petroleum reservoir, waves breaking at a shore, and in gas dynamics.

**Lecturers:** Harald Hanche-Olsen and Helge Holden

**Textbook:** H. Holden and N. H. Risebro: Front Tracking for Hyperbolic Conservation Laws, Springer, Second edition 2015. The book exists as an eBook, and NTNU students can read and download it free of charge. You can purchase a paperback edition called *MyCopy* for € 24.95 (incl. shipping). See the upper right on the linked page.

### Time and place

For regular weeks the lectures are

Weekday | Time | Room |
---|---|---|

Monday | 12:15-14 | 822, Sentralbygg 2 |

Friday | 10:15-12 | 734, Sentralbygg 2 |

The lectures will be in English, and there will be an oral exam at the end of the semester.

### Lecture plan

Week | Date | Who | Material covered | |
---|---|---|---|---|

◐ | means: Harald lectures | |||

◑ | means: Helge lectures | |||

4 | Fri | 17 Jan | ◑ | pp. –8. |

5 | Mon | 20 Jan | pp. 9–15, pp. 53–55 | |

Fri | 24 Jan | ◐ | pp. 55–59 | |

6 | Mon | 27 Jan | ◑ | pp. 60–64 |

Fri | 31 Jan | pp. 64–71 |