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Related Experiment Video

Updated: Dec 28, 2025

Precision Measurements and Parametric Models of Vertebral Endplates

Precision Measurements and Parametric Models of Vertebral Endplates

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Validation data of parallel 3D surface-borehole electromagnetic forward modeling.

Chong Liu¹, LiZhen Cheng¹, Bahman Abbassi¹

¹Université du Québec en Abitibi-Témiscamingue, 445 boul. de l'Université, Rouyn-Noranda, QC, J9X 5E4, Canada.

|February 20, 2020

Summary

This summary is machine-generated.

This study enhances computational efficiency for 3D geophysical electromagnetic modeling. A hybrid parallel algorithm using multiple meshes significantly accelerates time-domain electromagnetic (TEM) field calculations.

Keywords:

Computational cost Edge-based finite element Multiple meshes Parallelization Surface-borehole TEM forward modeling

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Area of Science:

Geophysics
Computational Electromagnetics

Background:

3D forward modeling of geophysical electromagnetic fields is computationally intensive.
Effective acceleration strategies are crucial for large-scale geophysical simulations.
Previous work proposed a hybrid parallel algorithm for 3D time-domain electromagnetic (TEM) fields.

Purpose of the Study:

To provide complementary data and insights into a previously proposed hybrid parallel algorithm for 3D TEM forward modeling.
To detail the computational components and performance of the algorithm.
To demonstrate the algorithm's application in a 3D TEM forward modeling scenario.

Main Methods:

Hybrid parallel computing algorithm utilizing multiple meshes.
Implementation of Message Passing Interface (MPI) and OpenMP for parallelization.
Exploration of regular vs. multiple meshes for model discretization.
Analysis of even vs. uneven parallel computing modes.

Main Results:

Detailed calculations for model discretization and parallel computing modes.
Demonstration of the algorithm's effectiveness in a 3D TEM forward modeling example.
Complementary data supporting the efficiency of the hybrid approach.

Conclusions:

The hybrid parallel algorithm with multiple meshes offers an effective solution for accelerating 3D TEM forward modeling.
The algorithm's flexibility in mesh design and parallelization modes enhances its applicability.
Further data and analysis confirm the computational benefits of this approach for geophysical exploration.