STUDY ON IMPROVEMENT FOR THE EXCITATION PERFORMANCE OF BV500 TYPE CONTROLLED SEISMIC SOURCE VIBRATOR PLATE BASED ON TOPOLOGY OPTIMIZATION METHOD
·Optimization·Reliability·|更新时间:2025-02-28
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STUDY ON IMPROVEMENT FOR THE EXCITATION PERFORMANCE OF BV500 TYPE CONTROLLED SEISMIC SOURCE VIBRATOR PLATE BASED ON TOPOLOGY OPTIMIZATION METHOD
Journal of Mechanical StrengthVol. 47, Issue 2, Pages: 75-84(2025)
作者机构:
1.西南石油大学 机电工程学院,成都 610500
2.中国石油集团东方地球物理公司勘探有限责任公司西南物探分公司,成都 610213
作者简介:
HUANG Zhiqiang, E-mail: huangzq@swpu.edu.cn
基金信息:
National Natural Science Foundation of China(41902326);Sichuan Science and Technology Project(22GJHZ0284);Nanchong-Southwest University of Petroleum City-School Science and Technology Strategic Cooperation Special Project(SXHZ048);Enterprise Horizontal Cooperation Project(JSTKY-22-002)
HUANG Zhiqiang,FU Mingwei,XI Yuxi,et al. Study on improvement for the experformance of BV500 type controlled seismic source vibrator plate based on topology optimization method[J]. Journal of Mechanical Strength,2025,47(2):75-84.
HUANG Zhiqiang,FU Mingwei,XI Yuxi,et al. Study on improvement for the experformance of BV500 type controlled seismic source vibrator plate based on topology optimization method[J]. Journal of Mechanical Strength,2025,47(2):75-84. DOI: 10.16579/j.issn.1001.9669.2025.02.010.
STUDY ON IMPROVEMENT FOR THE EXCITATION PERFORMANCE OF BV500 TYPE CONTROLLED SEISMIC SOURCE VIBRATOR PLATE BASED ON TOPOLOGY OPTIMIZATION METHOD
During the operation of the BV500 type controlled seismic source vibrator in Sichuan and Chongqing areas
due to the improper plate design
the vibration energy down-transfer rate is low and the excitation signal distortion is serious.Therefore
the continuum topology optimization method was introduced
and a variable density method of the solid isotropic material with penalization (SIMP) model was used to optimize the design of BV500 controlled seismic source vibrator plate from two aspects — reducing mass and increasing stiffness
and an “octagonal I-steel-20a” plate was innovatively developed.After optimization
the mass of the plate was reduced by 45.29%
and the stiffness of the plate was increased by 79.92%
the vibration performance of the plate before and after optimization is studied.The simulation results show that compared with the original aluminum alloy plate
the energy down-transfer rate of the “octagonal I-steel-20a” plate increases by 15.11%,the displacement amplitude of the ground surface contact center point increases by 43.74%
and the amplitude of the interaction force increases by 40.56%.The field experiment shows that when the “octagonal I-beam-20a” plate is excited
the effective value of the average vibration velocity of the near-field signal of the detector is increased by 22.23%
and the effective value of the average vibration velocity of the far-field signal of the detector is increased by 39%
the law is consistent with the numerical simulation conclusion of controlled seismic source road excitation.The excitation performance of the “octagonal I-beam-20a” plate is better than that of the original aluminum alloy integral plate
which effectively improves the road excitation effect of BV500 type controlled seismic source in Sichuan and Chongqing areas.
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