• High Power Laser and Particle Beams
  • Vol. 33, Issue 8, 085001 (2021)
Haiyang Wang1、2, Jing Xiao1、2, Linshen Xie1、2, Wei Wu1、2, Le Cheng1、2, Xiaoping He1、2, and Chuyu Sun1、2
Author Affiliations
  • 1Northwest Institute of Nuclear Technology, Xi’an 710024, China
  • 2State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Xi’an 710024, China
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    DOI: 10.11884/HPLPB202133.210054 Cite this Article
    Haiyang Wang, Jing Xiao, Linshen Xie, Wei Wu, Le Cheng, Xiaoping He, Chuyu Sun. Modal analysis of the 32-stage modular Marx generator[J]. High Power Laser and Particle Beams, 2021, 33(8): 085001 Copy Citation Text show less
    32-stage Marx generator
    Fig. 1. 32-stage Marx generator
    Structure of one stage module
    Fig. 2. Structure of one stage module
    Modal analysis results of the 32-stage Marx generator
    Fig. 3. Modal analysis results of the 32-stage Marx generator
    Vibration mode of integral modal analysis under free boundary condition
    Fig. 4. Vibration mode of integral modal analysis under free boundary condition
    Vibrational transmissibility on x axis
    Fig. 5. Vibrational transmissibility on x axis
    Vibrational transmissibility on y axis
    Fig. 6. Vibrational transmissibility on y axis
    Vibrational transmissibility on z axis
    Fig. 7. Vibrational transmissibility on z axis
    materialYoung modulus/GPaPoisson’s ratiodensity/(kg·m−3
    stainless steel1900.338000
    glass fiber37.20.252440
    MC nylon31.90.401150
    Table 1. Parameters of the materials
    frequency/Hzdamping ratio/%mode of vibration
    23.581.50overall first-order torsion
    30.761.31overall first-order bend in y direction
    34.330.99overall first-order bend in z direction
    48.760.98approximate second-order bend in z direction
    63.310.92overall second-order torsion
    70.931.40the phase of glass fiber side plate in x direction is opposite
    75.141.91overall second-order bend in z direction
    Table 2. Integral modal analysis results under free boundary condition
    frequency/Hzcorresponding part
    100.6,151.3upper shielded ring at the outermost of the 4th module
    129.4,188.7upper shielded ring at the outermost of the 3rd module
    59.28,206.3capacitor and switch of the 4th module
    58.59,219.8capacitor and switch of the 3rd module
    124.9,225.8U-shape support rod of the 1st module
    Table 3. Local modal test results under free boundary condition
    Haiyang Wang, Jing Xiao, Linshen Xie, Wei Wu, Le Cheng, Xiaoping He, Chuyu Sun. Modal analysis of the 32-stage modular Marx generator[J]. High Power Laser and Particle Beams, 2021, 33(8): 085001
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