CST s commercial Beam-Physics Codes Ulrich Becker CST (Computer Simulation Technique)
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1 CST s commercial Beam-Physics Codes Ulrich Becker CST (Computer Simulation Technique) 1 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
2 Outline Overview CST STUDIO SUITE Accelerator related examples with CST MICROWAVE STUDIO CST EM STUDIO CST PARTICLE STUDIO New key features in version 2006B Summary 2 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
3 CST STUDIO SUITE Products Inside CST EM STUDIO CST MICROWAVE STUDIO CST DESIGN STUDIO CST PARTICLE STUDIO DC khz MHz GHz THz 3 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
4 Used discretization technique FEM FDTD FIT+PBA FIT = Finite Integration Technique PBA = Perfect Boundary Approximation Representation of rounded objects Simple explicit Time Algorithm (like FDTD, but no staircase meshing, no matrix inversion) 4 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
5 CST STUDIO SUITE Interface Easy to use 3D Fully parametric Optimiser Automated Postprocessing 5 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
6 Mechanical CAD Systems Step CATIA 5 Arbitrary Voxel Data 6 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
7 CST MICROWAVE STUDIO Some selected Application Areas Classical MW Waveguide, Antenna, Filter, Coupler, Balun, Splitter, Cavity, Connector EMC/EMI SI RFID Medical Mobile Phones & SAR CT/NMR 7 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
8 CST MICROWAVE STUDIO Solver General Purpose Solver 3D-Volume Transient Frequency Domain Large problems Broadband Arbitrary time signals Narrow band / single frequency Small problems Periodic structures with Floquet port modes Special Solver 3D-Volume: Closed Resonant Structures Resonant Eigenmode FD Resonant Strongly resonant structures, narrow band Cavities Strongly resonant, closed structures Special Solver 3D-Surface: Large open metalic structures!i Multi-Level Fast Method of Moments Large Structures Dominated by metal 8 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
9 Example Superconducting Cavity easy construction via Macros -> Construct -> Superconducting Cavity 9 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
10 Efficient simulation of high order Eigenmodes by choosing a frequency target 10 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
11 Comparison and Cross Verification Transient-PBA, Transient-Staircase, Frequency Domain Solution Technique CPU - Time Transient PBA 2 minutes, 30s Frequency Domain 3 minutes, 36s Slower than PBA: 1.44 Transient Staircase 24 minutes, 26s Slower than PBA: ~10 11 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
12 CST DESIGN STUDIO Coupling of Circuit and EM Simulation: CST MWS Blocks Analytical Blocks: Microstrip, Stipline, WG,... Transistors, Diodes Planar EM Coupling: Sonnet Coupling to mode matching: Mician Main Applications: Antenna Feeding networks Splitting of complex EM Models Multiplexer 12 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
13 Co-Simulation CST DS CST MWS Toggle between Circuit-Block View and 3D Model View Easy optimisation and parameter sweeps for complete circuit model EM Circuit Model View View Antenna 13 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
14 CST EM STUDIO Some selected Applications Sensors: Inductive, Capacitive Actuators NDT Transformers Motors Magnets 14 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
15 CST EM STUDIO Solver Overview Solver Electrostatic Magnetostatic Stationary Current Low-Frequency (new: EQS-Solver) Temperature 15 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
16 Co-Simulations CST MWS CST EMS Ferrite magnetisation Thermal Analysis of electric losses 1. Static Magnetisation CST EMS 2. HF Analysis CST MWS 1. Currents: CST MWS 2. Temperature Analysis: CST EMS 16 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
17 Thermal Calculation CST EM STUDIO 2006B is able to perform a thermal simulation inlcuding surface and volume losses from a previous eigenmode simulation 17 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
18 CST PARTICLE STUDIO Gun and Collector Analysis Wakefield Analysis Link to MAFIA PIC codes 18 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
19 Particle Source Definition: Particle Emission Scalable Particle Density Particle Definition Library 19 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
20 Static Emission Models: Particle Emission Emission Dialogue Static Emission Model 1. Fixed emission (predefined current and energy) 2. Space charge limited emission (Child s law) 3. Thermionic emission (Richardson-Dushman) 4. Field induced emission (Fowler-Nordheim) 5. Automatic maximal selection Additional features: Random energy spread Maxwell-Boltzmann velocity distribution 20 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
21 Secondary Electron Emission 21 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
22 Secondary Electron Emission Example: Collector E0 = 50 kev E0 = 125 kev E0 = 200 kev E0 = 275 kev 22 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
23 Beam Position Monitor Wakefields Port 1 Port 2 Beta smaller than 1 Resistive wakes (simulating skin effect losses) 23 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
24 Wakefields Collimator 24 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
25 CST STUDIO SUITE 2006B (currently in beta-phase, released in couple of weeks) New Key Features 25 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
26 Time Domain Solver - Subgrids 1.9 Million cells cells Here: Subgridding reduces number of cells by factor > 7 26 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
27 Subgridding 27 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
28 Some More New Features... Linux version of MWS-T + F solver modules 64 Bit version of all solvers Solver Speedup for most hardware platforms Slanted WG-ports for HF TET solver SPICE-like Time Domain Solver integrated in CST DESIGN STUDIO ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
29 Summary 3D Solution of Maxwell s equations using Finite Integration Technique Different Mesh Types + different solvers Easy Cross Verification increases reliabilty Accelerator related examples with CST MICROWAVE STUDIO CST EM STUDIO CST PARTICLE STUDIO 29 ICAP 2006 Chamonix-Mont Blanc Ulrich Becker
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