A model for the vibrator–ground coupling vibration and the dynamic responses under excitation of sweep signal
G Li, ZQ Huang, ZH Lian, L Hao - Advances in Structural …, 2019 - journals.sagepub.com
To analyze the behavior of the vibrator–ground coupling vibration, a model containing
equivalent dynamic stiffness and equivalent dynamic dam** to describe the interaction …
equivalent dynamic stiffness and equivalent dynamic dam** to describe the interaction …
The construction of a simple portable electromagnetic vibrator from commercially available components
Since its introduction in the late 1950s, hydraulic vibrators have become the dominant
source for land seismic surveys. The hydraulic vibrators typically used for commercial land …
source for land seismic surveys. The hydraulic vibrators typically used for commercial land …
On the mechanical vibrator-earth contact geometry and its dynamics
R Noorlandt, G Drijkoningen - Geophysics, 2016 - library.seg.org
The geometry of the contact between a vibrator and the earth underneath influences the
dynamics of the vibrator. Although a vibrator might appear to be well-coupled with the earth …
dynamics of the vibrator. Although a vibrator might appear to be well-coupled with the earth …
Modeling of energy transfer and parameter effects on it of a vibrator-ground system
G Li, W Qi, Z Huang, Z Tao, G Li… - Advances in Structural …, 2020 - journals.sagepub.com
The amount of energy transferred to the ground truly represents the performance of the
seismic vibrator. So, it is crucial to investigate the transfer of energy in the vibrator-ground …
seismic vibrator. So, it is crucial to investigate the transfer of energy in the vibrator-ground …
Effects and global sensitivity analysis of vibrator-ground coupling parameters on ground force under excitation of sweep frequency
G Li, G Xu, Y Ding, Z Huang, L He, J Yao - Structures, 2022 - Elsevier
Ground force is the key index to evaluate the output of the seismic vibrator. To generate
desired ground force, the relationship between coupling parameters and ground force …
desired ground force, the relationship between coupling parameters and ground force …
Modal characteristics and phase response of vibrator under excitation of sweep frequency
G Li, W Qi, Z Huang, Z Tao - Advances in Mechanical …, 2020 - journals.sagepub.com
To analyze the dynamic responses of vibrator, a vibrator-ground coupling vibration model
considering sweep frequency is proposed based on half-space theory, and modal …
considering sweep frequency is proposed based on half-space theory, and modal …
[HTML][HTML] Study on dynamics of vibrator baseplate at low and high frequencies
Z Huang, G Li, L Hao - Journal of Vibroengineering, 2017 - extrica.com
In order to figure out the dynamics response of vibrator baseplate and why baseplate
performs poorly at high frequencies, a finite element model of vibrator-ground is developed …
performs poorly at high frequencies, a finite element model of vibrator-ground is developed …
Ground force analysis of a portable electromagnetic seismic vibrator for different surface environments and driving voltages
Y Chen, J Lin, Y Jiang, X **ng - Geophysical Prospecting, 2023 - earthdoc.org
Knowing the actual ground force is important for seismic data processing and seismic
vibrator control. However, the weighted‐sum method is widely used to estimate the actual …
vibrator control. However, the weighted‐sum method is widely used to estimate the actual …
WSGF—Time for a change part 1: Damped Harmonic Oscillators and the Vibrator/Ground model
SL Rowse, RG Heath - First Break, 2020 - earthdoc.org
In land seismic exploration a vibrator is used to generate a controlled wave-train of seismic
energy into the earth by the forced oscillations of the ground surface over several seconds in …
energy into the earth by the forced oscillations of the ground surface over several seconds in …
Controlling the transmitted signal with a new vibrator-ground coupling relationship
Z Wei - SEG International Exposition and Annual Meeting, 2017 - onepetro.org
It is very challenging to acquire broadband data on land when using the Vibroseis source.
Broadband seismic data are affected by the variable interaction between the vibrator …
Broadband seismic data are affected by the variable interaction between the vibrator …