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Umeå

 

Week 6:

Please look carefully at the Preparatory Material page for what you need to review before the course! The lectures will assume that you actually have done the preparations!

 

Schedule

There is a Campus map at http://www.umu.se/english/about-umu/campus-maps?languageId=1, where you can search for the rooms (e.g. NC352). 

Module 4: the Finite Element Method 

 

Date  Content Time Location
Feb 6 FEM, the general idea, short history.  Mathematical background: vector calculus, integration by parts. FEM for an elliptic model problem: derivation of a variational form, the energy space. Meshing, Galerkin approximation.  9:15-12:00  NC352/
MA446

 Exercises / Computer lab  13:15-17:00  MA406
Feb 7

FEM for an elliptic model problem (cont.). Properties of the discrete problem, handling of boundary conditions. Analysis: stability, Galerkin orthogonality, error analysis. Handling of boundary conditions. Elements in 2D and 3D. More general elliptic problems.   9:15-12:00  NC352
   Computer lab 13:15- 17:00  MA446
Feb 8

Orientation about FEM for linear elasticity and for incompressible flow.   9:15-12:00  NC352
   Computer lab 13:15-17:00  MA446

 

 

 

 

 

 Module 5: Optimization 

Date  Content Time Location
Feb 9 Introduction, optimization examples. Unconstrained nonlinear optimization. Convergence rate. Multivariate Taylor series. Optimality conditions. Quadratic functions, Newton's method. Problems with basic Newton. Line search. Steepest-descent and Quasi-Newton. Non-linear least-squares. 9:15-12:00  NC352

 Computer lab  13:15-17:00  MA446




Feb 10

Optimization with constraints. Special cases: linear programming, quadratic programming. Orientation about numerical methods: penalty and barrier methods, sequential quadratic programming.   9:15-12:00  NC352
   Computer lab 13:15-17:00  MA446

 

For Thursday's computer lab, you need the m-files enzyme.m and enzymeRhs.m 

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