Understanding the Adjoint Method in Seismology: Theory and Implementation in the Time Domain
R Abreu - Surveys in Geophysics, 2024 - Springer
The adjoint method is a popular method used for seismic (full-waveform) inversion today.
The method is considered to give more realistic and detailed images of the interior of the …
The method is considered to give more realistic and detailed images of the interior of the …
A system for inspecting karst voids during construction of cast-in-place pile foundations
Karst voids at pile locations are highly adverse to the bearing capacity and construction
safety of cast-in-place pile foundations. This study developed an inspection system …
safety of cast-in-place pile foundations. This study developed an inspection system …
[HTML][HTML] Elastic wave CT with multistage inversion process based on improved SIRT
J Zhang, G Song, F Zhu, B Hu, H Zhang - Physics Letters A, 2024 - Elsevier
Elastic wave computerized tomography (CT) is a commonly used physical exploration
technique. This paper proposes a multistage inversion imaging method based on improved …
technique. This paper proposes a multistage inversion imaging method based on improved …
Field test of internal visualization of deep-water pile foundation using ultrasonic waves
Z Wang, Z Peng, Y Yan, K Liu… - Structural Health …, 2024 - journals.sagepub.com
Early-age internal visualization is critical for timely assessing the quality of pile foundations,
especially as super cross-sea bridges increase the diameter and length of pile foundations …
especially as super cross-sea bridges increase the diameter and length of pile foundations …
Estimating Young's moduli based on ultrasound and full-waveform inversion
Ultrasound is commonly utilized to determine the dynamic Young's moduli for estimating
material deterioration or quantifying material parameters. This is either done with a …
material deterioration or quantifying material parameters. This is either done with a …
Inner product preconditioned optimization methods for full waveform inversion
X Adriaens - 2022 - search.proquest.com
The interpretation of wave scattering data has led, and continues to lead, to a wide range of
scientific discoveries and practical engineering applications in domains as varied as …
scientific discoveries and practical engineering applications in domains as varied as …
Numerical Investigation of Full Waveform Tomography to Identify Anomalous Conditions and Untreated Zones in Jet Grout Columns
Development of infrastructure in areas with poor subsurface soil conditions is often
encountered in civil engineering. In these situations, the engineering characteristics of …
encountered in civil engineering. In these situations, the engineering characteristics of …
Full Waveform Tomography of Parallel Seismic Data for Evaluation of Unknown Foundations
The evaluation of unknown foundations continues to be an important issue with the
increasing interest in foundation reuse and rehabilitation. Several nondestructive testing …
increasing interest in foundation reuse and rehabilitation. Several nondestructive testing …
[HTML][HTML] The Non-destructive testing of bored piles
A Tulebekova, N Shakirova, A Zhankina, Y Muratov - Technobius, 2021 - cyberleninka.ru
Quality control of bored piles is a complex operation aimed at determining possible defects
in the pile shaft and the strength of the pile material made by different technologies. The …
in the pile shaft and the strength of the pile material made by different technologies. The …
Analysis of the Frequency Interaction of the Turbine Block in the Stand for the Magnitude of the Error in Measuring the Turbine's Power
A Petrochenkov, A Sal'nikov, S Bochkarev, P Ilyushin - Applied Sciences, 2021 - mdpi.com
An algorithm for constructing a dynamic analysis during the formation of a wave field of
stand for testing turbines and the effect of the frequency interaction of the stand's elements …
stand for testing turbines and the effect of the frequency interaction of the stand's elements …