Scientific Computing Lab

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Scientific Computing Lab
Scientific Computing in Computer Science
Institut für Informatik

• Adaptive Grids
• for PDE Solvers

Dr. Miriam Mehl
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Regular Grids Always Good?
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Adaptive Interpolation

• easy
• no 100 guarantee
• hierarchical basis

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Adaptive Grids for PDEs

• criteria
• linear surplus
• tau-criterion
• dual approach
• no 100 guarantee
• hierarchical data

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Adaptive Grids for PDEs

• complicated data structures

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Adaptive Grids for PDEs

• wide-spread unstructured grids

• complicated geometries
• adaptive/regular grids

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Short Introduction to Fluid Dynamics

• Navier-Stokes stationary

momentum
mass
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Short Introduction to Fluid Dynamics

• Navier-Stokes time-dependent

momentum
mass