COMSOL Multiphysics on TheUberCloud: Thermal Modeling of a Fragrance Extraction Reactor in the Cloud An UberCloud / ForCES Cloud Experiment www.theubercloud.com/comsol-cloud

1. COMSOL Multiphysics on The UberCloud
Thermal Modelling of a Fragrance Extraction Reactor
in the Cloud with COMSOL Multiphysics
An UberCloud / ForCES Cloud Experiment
COMSOL Conference, Munich
October 13, 2016
Stephan Savarese
STS@ForCES.Paris
http://ForCES.Paris

2. Agenda
Ê Fragrance extraction modeling
Ê Geometry
Ê Mesh
Ê Physics
Ê Results
Ê Simulation using UberCloud container for
COMSOL Multiphysics
Stephan Savarese, ForCES @ UberCloud

3. Detailed 3D model of extractor : tank + water jacket
Lumped model of boiler / heat exchangers
Stephan Savarese, ForCES @ UberCloud
Fragrance extraction modeling

4. Stephan Savarese, ForCES @ UberCloud
Geometry : tank heated by hot water or steam
TANK
OUTLET
WATER JACKET
INLET
OUTLET
PIPE

5. Stephan Savarese, ForCES @ UberCloud
Mesh : Hybrid , 114709 Tetra + 85450 Prism
TANK
OUTLET
WATER JACKET
INLET
OUTLET
PIPE

6. Heat Transfer and Laminar Flow
Isothermal Domain used for Lumped Model
Stephan Savarese, ForCES @ UberCloud
Physics : 3D conjugate heat transfer + lumped
algebraic model for boiler
T_in3D = if(t<tQV,Tmax,min(Tmax,T_out3D+Pch/(rho0*Cp0*Q_in)))
T_out3D = aveout3D(T2)

7. Stephan Savarese, ForCES @ UberCloud
Results
Temperature
After 11h
Boiler power = 250 kW
Fluid Velocity :
Max. 4 m/s

8. Surface temperature animation
Stephan Savarese, ForCES @ UberCloud
Results

9. The UberCloud environment on a remote host running
COMSOL Multiphysics
Stephan Savarese, ForCES @ UberCloud
Simulation using UberCloud container for
COMSOL Multiphysics
• On-demand computing power
• Fast and interactive
• Enables access to large computer resources
Solution time: 1029 s (17 minutes, 9 seconds)
Physical memory: 2.83 GB
Virtual memory: 15.04 GB

10. Danke ! / Thank you !
Fragen ? / Questions ?