Numerical simulation model for frequency charateristics of electrochemical seismometer based on COMSOL

CHEN De-yong; CHEN Lian-hong; SUN Zhen-yuan; LI Guang-lei; WANG Jun-bo; CHEN Jian

doi:10.13873/J.1000-9787(2019)04-0012-03

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Numerical simulation model for frequency charateristics of electrochemical seismometer based on COMSOL

更新时间：2025-09-11

- Numerical simulation model for frequency charateristics of electrochemical seismometer based on COMSOL
- Issue 4, Pages: 12-14(2019)
- 作者机构：
  
  1. 中国科学院电子学研究所传感技术国家重点实验室
  2. 中国科学院大学
  3. 清华大学自动化系
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2019)04-0012-03
  CLC： P631.436
- Published：2019
- 稿件说明：
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CHEN De-yong, CHEN Lian-hong, SUN Zhen-yuan, et al. Numerical simulation model for frequency charateristics of electrochemical seismometer based on COMSOL[J]. 2019, (4): 12-14.
DOI：

CHEN De-yong, CHEN Lian-hong, SUN Zhen-yuan, et al. Numerical simulation model for frequency charateristics of electrochemical seismometer based on COMSOL[J]. 2019, (4): 12-14. DOI： 10.13873/J.1000-9787(2019)04-0012-03.

摘要

提出了一种可以精确求解电化学地震检波器传递函数的数值仿真模型

并首次采用流固耦合物理场来将外界振动与内部电解质溶液的运动形态联系在一起。通过规范的实验方法

对涉及到的部分仿真参数进行实际测试

使得仿真模型与实际情况更加吻合

仿真结果中的幅频响应曲线与实测结果相关度达到了0. 97。基于该模型

讨论了电极上小孔个数对设备幅频响应曲线的影响

通过优化小孔个数

最终在未施加反馈的情况下

将工作带宽扩展至0. 14～100 Hz。

Abstract

A numerical simulation model for accurately solve transfer function of electrochemical seismometer is presented. The fluid-solid coupling physical field is firstly used to link the external vibrations with the motion morphology of internal electrolyte solution. Some simulation parameters are test by normative experimental method to make the simulation model and physical truth coincide. Relevancy of amplitude frequency response curve leading in simulation and measured results is 0. 97

based on the numerical model

the effect of the number of electrode pores on amplitude frequency response curve is discussed. By optimizing number of pores

at last

the working bandwidth is extended to 0. 14～ 100 Hz without exerting feedback.

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