{

Pumping efficiencysimulation codes

Marton ADYCERN / Ecole Polytechnique Federale de

Lausanne

Ultra High VacuumSynchroton Radiation

Molflow+ Synrad+

Molflow• Developed since 1991 (R. Kersevan)• Turbo Pascal, 13.000 lines of code• Used by:• Diamond Light Source• BNL• Elettra• Alba• Sesame• ASTeC• FermiLab• Cornell• …• CERN

Molflow+2007-…

Molflow1991-1992

Importing geometry

STL file

Setting up physics

1. CERN2. Thomas Jefferson Nat. Acc. Facility3. Agilent Technologies4. GSI Helmholtzzentrum GMBH5. Brookhaven National Laboratory6. Stanford Lin. Accelerator Facility7. Tri Alpha Energy8. TU Darmstadt9. Ganil Project10.CNRS11. …

Synrad+

Synrad+

• Dipoles• Undulators• Wigglers• Sinusoidal field• Quadrupole• Arbitrary (file)

Base: Magnetic regions

Absorbed flux / powerTextures

Flux Power

Absorbed flux / power• Profiles

Absorbed flux / power• Spectrum

Synrad+ AND Molflow+

Conversion

Future plans

Molflow+

• Time-dependent

Going time-dependent

Gas inlet

Pump

Pump

Future plans

Molflow+

• Time-dependent• Non-isothermal• Volumetric

meshing• Binary collisions• Geometry editor• CUDA

Synrad+

• Reflectivity: collect data

• Desorption: collect data

cern.ch/test-molflow

Thank you!