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Published bySolomon Campbell Modified over 9 years ago
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Calculations of wakefields for the LHCb VeLo. Olga Zagorodnova Desy Hamburg April 8, 2015 1
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Longitudinal wake potential (30m) for CATIA model. Tapers with slots 2
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Different sets of the meshes. Δ xΔ z Mesh 1 1mm 2mm Mesh 20.5mm 2mm Mesh 30.2mm0.5mm2mm Mesh 40.5mm0.2mm2mm Mesh 50.5mm 1mm Mesh 60.2mm0.5mm1mm Mesh 70.5mm0.35mm1mm Mesh 80.5mm0.2mm1mm Mesh 90.2mm0.5mm Mesh 100.4mm 0.5mm impossibly 4 The calculations were performed for different beam positions: 1. x=0, y=0; 2. x=1.5mm, y=0; 3. x=0, y=1.5mm
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Longitudinal wake potential (10m), was calculated for different mesh properties and presented in region from -0.5m to 0.5m. Beam position – on axis. Bunch length is 7.5cm. 5
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Longitudinal wake potential (10m), was calculated for different mesh properties and presented in region from -0.5m to 10m. Beam position – on axis. Bunch length is 7.5cm. 6
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Longitudinal wake potential (10m), was calculated for different mesh properties and presented in region from -0.5m to 0.5m. Beam position – on axis. Bunch length is 7.5cm. 7
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Longitudinal wake potential (10m), was calculated for different mesh properties and presented in region from -0.5m to 10m. Beam position – on axis. Bunch length is 7.5cm. 8
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Real part of the longitudinal impedance. 9
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Imaginary part of the longitudinal impedance. 10
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X – component of the transverse wake potential for different mesh properties. Beam position – on axis. Bunch length is 7.5cm. 11
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X – component of the transverse wake potential for different mesh properties. Beam position – on axis. Bunch length is 7.5cm. 12
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Y – component of the transverse wake potential for different mesh properties. Beam position – on axis. Bunch length is 7.5cm. 13
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Y – component of the transverse wake potential for different mesh properties. Beam position – on axis. Bunch length is 7.5cm. 14
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Longitudinal wake potential for different mesh properties. Beam position – x = 1.5mm, y=0. Bunch length is 7.5cm. 15
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Longitudinal wake potential for different mesh properties. Beam position – x=0, y=1,5mm. Bunch length is 7.5cm. 16
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X – component of the transverse wake potential for different mesh properties. Beam position – x = 1,5, y = 0. Bunch length is 7.5cm. 17
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X – component of the transverse wake potential for different mesh properties. Beam position – x = 0, y = 1,5. Bunch length is 7.5cm. 18
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X – component of the transverse wake potential for different mesh properties. Beam position – x = 0, y = 1,5. Bunch length is 7.5cm. 19
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Y – component of the transverse wake potential for different mesh properties. Beam position – x = 1,5, y = 0. Bunch length is 7.5cm. 20
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Y – component of the transverse wake potential for different mesh properties. Beam position – x = 0, y = 1,5. Bunch length is 7.5cm. 21
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Y – component of the transverse wake potential for different mesh properties. Beam position – x = 0, y = 1,5. Bunch length is 7.5cm. 22
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