Computational Interdisciplinary Modelling
Daniel Winkler
Smoothed Particle Hydrodynamics
in
Environmental Engineering
Group Wolfgang Rauch
Unit of Environmental Engineering
Massoud Rezavand
Daniel Winkler
Research field
Application of
Smoothed Particle Hydrodynamics (SPH)
in Environmental Engineering
Daniel Winkler
Smoothed Particle Hydrodynamics (SPH)
Lagrangian method
Kernel
Daniel Winkler
Project I ‐‐ SPHASE
Smoothed Particle Hydrodynamics Activated Sludge Engine
Objective
Improve wastewater treatment
Method
Coupling of SPH to biokinetic processes
Spatial resolution of biological concentrations
Results
Model unsteady inflow (diurnal variation)
Tracking of biological concentration per particle
GPU accelerated 2D SPH solver
Todo
Verification of method
2D -> 3D of solver
Daniel Winkler
Project II ‐‐ SPHAUL
Integrated modeling of anaerobic digestion with SPH
Objectives
Apply the knowledge of SPHASE to anaerobic digesters
Optimize energy input for mixing, mixing type
Method
Use SPH to model non-Newtonian viscous substrate
Compute spatially resolved biokinetics
Challenges
Reduction of complexity
Surrogate modelling
Daniel Winkler
Research & Collaborations
• Research
• GPU computing, HPC
• SPH methods (WCSPH, ISPH, IISPH, PCISPH, ...)
• Collaborations
- No DK collaborations
- Extern
- University of Leeds, UK
- Interest from company, AT
Daniel Winkler
Poster
Daniel Winkler
References
Pictures taken from
Overview
http://compact-merger.astro.su.se/
http://www.iamag.co/features/cgfluids/
https://www.youtube.com/watch?v=B8mP9E75D08
http://www.fmu-in.com/fmuweb/images/100_1448.JPG
http://www.daviddarling.info/images/anaerobic_digester_diagram.jpg
SPH
http://materialstechnology.asmedigitalcollection.asme.org/article.aspx?articleid=1673791
http://www.uibk.ac.at/umwelttechnik/research/projects/sphase.html
Daniel Winkler