MultiFil: Multiscale Problems in Filter Design

Project Topic

Hierarchical Models and Efficient, Adaptive Solvers for Multiscale Problems With the Example Application of Filter Design.

Project Description

Project Members

Project Chair

• PD Dr. Oleg Iliev (Fraunhofer Institute for Industrial Mathematics (ITWM))

Participating Research Groups

• Section SMS of Fraunhofer Institute for Industrial Mathematics (ITWM)
• Technomathematics Group (Department of Mathematics)

Scientific Personnel

Project Members:

• PD Dr. Oleg Iliev
• Dr. Andreas Wiegmann
• PD Dr. Heiko Andrä

PostDocs:

• Dr. Liping Chen (North Carolina State University)
• Dr. Irina Rybak (Math. Institute, Minsk)

Planned:

• Dr. Vadimas Straikovicius (University Vilnius)
• Dr. Peter Popov (Texas A&M)

PhD Students:

• Anna Naumovich (until Sep. 2007)
• Emanuel Teichmann
• Jörg Willems

External Cooperation

Potential cooperation with Computer Graphics Group (CC-HPC, Prof. Dr. Hans Hagen).

Guests:

• Prof. Dr. R. Ewing (Texas A&M)
• Prof. Dr. R. Lazarov (Texas A&M)

Planned Guests:

• Prof. A. Brandt (Weizman Institute, UCLA)
• Prof. A. Mikelic (Lyon)

Perhaps also:

• R. Helmig (Stuttgart)
• R. Ciegis (Vilinius)
• D. Adalsteinsson (North Carolina)

Industrial Applying Partners:

• Bosch
• IBS Filtran
• Mann + Hummel
• Mahle
• ...

Project Events and Achievements

• Project start date: January 1st, 2006
• Project end date: December 31st, 2007

Project Publications

3D simulation of the macroscopic heat and mass transfer properties from the microstructure of wood fibre networks

H. Thoemen, T. Walther, Andreas Wiegmann. In: Composites Science and Technology. 2008

An Efficient Approach for Upscaling properties of Composite Materials with High contrast of Coefficients

R. Ewing, Oleg Iliev, Raytcho Lazarov, I. Rybak, J. Willems. Technical Report, Number 132, Fraunhofer ITWM, 2008

Computation of the relative diffusivity of porous materials from their microstructure

Andreas Wiegmann, Aivars Zemitis. in preparation, June, 2007

An explicit jump correction to the fast fictitious forces 3d Stokes solver

Liping Cheng, Andreas Wiegmann. in preparation, June, 2007

On a multigrid solver for the three-dimensional Biot poroelasticity system in multilayered domains

Anna Naumovich, F. J. Gaspar. In: J. Computers and Visualization in Science. Number 85, Fraunhofer ITWM, Februrary, 2007

On upscaling heat conductivity for a class of industrial problems

Oleg Iliev, I. Rybak, J. Willems. In: J. Theoretical and Applied Mechanics. to appear. Also: ITWM Report No. 120, 2007

Numerical study of two-grid preconditioners for 1-D elliptic problems with highly varying coefficients

Oleg Iliev, Raytcho Lazarov, J. Willems. In: Comp. Meth. Appl. Math.. Volume 7, Number 1, P. 48-67, Also: ITWM Report No. 111, 2007

On a parallel numerical algorithm for simulating industrial filtration flows

Raimondas Ciegis, Oleg Iliev, Zahra Lakdawala. In: Comp. Meth. Appl. Math.. Volume 7, Number 2, P. 118-134, 2007

On approximation property of multipoint flux approximation method

Oleg Iliev, I. Rybak. In: Mathematical Modelling. Also: ITWM Report No. 119, Submitted, 2007

On numerical upscaling for flow in heterogeneous porous media

Oleg Iliev, I. Rybak. In: Comp. Meth. Appl. Math.. Also: ITWM Report No. 118, Submitted, 2007

A Graph-Laplacian approach for calculating the effective thermal conductivity of complicated fiber geometries

Oleg Iliev, Raytcho Lazarov, I. Rybak, J. Willems. in preparation, 2007

Computation of the permeability of porous materials from their microstructure

Andreas Wiegmann. in preparation, 2007

The parallel elasticity solver DDFEM and its application in micromechanics

D. Stoyanov, Heiko Andrae. In: J. Theoretical and Applied Mechanics. to appear, 2007

An analysis of a regularization approach for solving Neumann problem

E. Savenkov, Heiko Andrae, Oleg Iliev. In: Computer Methods in Applied Mechanics and Engineering. Submitted, 2007

On a subgrid resolution approach for solving flow problems in filtration

Oleg Iliev, Zahra Lakdawala, P. Popov, V Starikovicius. in preparation, 2007

On a two-level domain decomposition preconditioner for Stokes equations

Oleg Iliev, Raytcho Lazarov, J. Willems. in preparation, 2007

Simulation of flows in deformable porous media

Anna Naumovich. TU Kaiserslautern, 2007

Mimetic finite difference method for convection diffusion equations on Voronoi grids

R. Borsche. Masters Thesis, TU Kaiserslautern, 2007

Electrostatic fields for filtration simulations in fibrous air filter media

Andreas Wiegmann, Aivars Zemitis, Stefan Rief. in preparation, 2007

Computer simulation of single and multi pass filtration

Stefan Rief, Andreas Wiegmann, Arnulf Latz. Proc. Filtech, 2007

On coupling micro- and macro- simulation in filtration

Oleg Iliev, Zahra Lakdawala, Andreas Wiegmann. 2007

On Importance of CFD in Filtration

M. Dedering, W. Stausberg, Oleg Iliev, Zahra Lakdawala. World Filtration Congress, Submitted, 2007

New challenges for CFD simulation in filtration

M. Dedering, W. Stausberg, Oleg Iliev, Zahra Lakdawala, Raimondas Ciegis. World Filtration Congress, Submitted, 2007

Simulation of ceramic DPF media, soot deposition and pressure drop

Stefan Rief, Kilian Schmidt, Andreas Wiegmann. World Filtration Congress, 2007

Parallel software tool for decomposing and meshing of 3d structures

Rasmus Adler. Technical Report, Number 110, ITWM, 2007

On efficient simulation of non-newtonian flow in saturated porous media with a multigrid adaptive refinement solver

W. Doerfler, Oleg Iliev, D. Stoyanov, D. Vasileva. In: Computers and Visualization in Science. submitted, 2007

On a local refinement solver for coupled flow in plain and porous media

Oleg Iliev, D. Vasileva. Lecture Notes in Computer Science, to appear, 2007

On two-level domain decomposition preconditioner for flows in highly anisotropic porous media

R. Ewing, Oleg Iliev, Raytcho Lazarov, I. Rybak. in preparation, Also: ITWM Report No.120, 2007

On a solver for 3-D flows in highly heterogeneous anisotropic porous media

Oleg Iliev, I. Rybak. in preparation, 2007

Soot filtration simulation - Generation of porous media on the micro scale from soot deposition on the nano scale

Andreas Wiegmann, Stefan Rief, Arnulf Latz. 2nd European Conference on Filtration and Separation, P. 141-147, October, 2006

On interaction of fluid with deformable porous media

Oleg Iliev, Sabine Muntz, Anna Naumovich. In: Proceedings NAFEMS. June, 2006

On convergence of certain finite volume difference discretizations for 1-D poroelasticity interface problems

R. Ewing, Oleg Iliev, Raytcho Lazarov, Anna Naumovich. In: Int.J.Num.Meth. PDEs. Submitted, 2006

Computational study of pressure drop dependence on pleat shape and filter media

Andreas Wiegmann, Oleg Iliev, Stefan Rief. 2006

Design of fibrous filter media based on the simulation of pore size measures

Jürgen Becker, Andreas Wiegmann, Volker Schulz. 2006

Soot filtration simulation - Generation of porous media on the micro scale from soot deposition on the nano scale

Andreas Wiegmann, Stefan Rief, Arnulf Latz. Submitted, 2006

Computation of the effective thermal conductivity of composite materials from their microstructure

Andreas Wiegmann, Aivars Zemitis. In: JCP. Also: ITWM Report No. 94, Submitted, 2006

Efficient preconditioners for multi-scale flow problems

J. Willems. Masters Thesis, TU Kaiserslautern, 2006

EJ-HEAT: A fast explicit jump harmonic averaging solver for the effective heat conductivity of composite materials

Andreas Wiegmann, Aivars Zemitis. Technical Report, Number 94, ITWM, 2006

On upscaling certain flows in deformable porous media

Oleg Iliev, A. Mikelic, P. Popov. In: SIAM J. Multiscale Modeling and Simulation. to appear, 2006

On a finite volume discretization of the three-dimensional Biot poroelasticity system in multilayered domains

Anna Naumovich. In: Comp. Meth. Appl. Math.. Volume 6, Number 3, P. 306, 2006