Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

180
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
180
Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

936
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of the...
936
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

439
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
439
Parallel Processing01:20

Parallel Processing

447
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
447
Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

1.4K
An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
1.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Magnetodynamics of short nanoparticle chains.

Scientific reports·2025
Same author

Real-Time 3D Coherent X-Ray Diffraction Imaging.

Physical review letters·2025
Same author

Diverse dynamics in interacting vortices systems through tunable conservative and non-conservative coupling strengths.

Communications physics·2025
Same author

Correlated spin-wave generation and domain-wall oscillation in a topologically textured magnetic film.

Nature materials·2025
Same author

Strongly Interacting Nanoferrites for Magnetic Particle Imaging and Spatially Resolved Thermometry.

ACS applied materials & interfaces·2024
Same author

Corrigendum to 'A collagen hydrogel loaded with HDAC7-derived peptide promotes the regeneration of infarcted myocardium with functional improvement in a rodent model' [Acta Biomaterialia 2019, 86, 223-234].

Acta biomaterialia·2022

Related Experiment Video

Updated: Nov 26, 2025

Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package
06:37

Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package

Published on: September 17, 2021

4.8K

Finite Difference Micromagnetic Solvers with the Object Oriented MicroMagnetic Framework (OOMMF) on Graphics

Sidi Fu1,2, Weilong Cui3, Matthew Hu2

  • 1Center for Magnetic Research, University of California, San Diego, CA 92037 USA.

Journal of Magnetism and Magnetic Materials
|December 14, 2020
PubMed
Summary
This summary is machine-generated.

A new micromagnetic solver leverages Graphics Processing Units (GPUs) for faster computations. This enhanced Object Oriented MicroMagnetic Framework (OOMMF) offers significant speed-ups for magnetic simulations.

Keywords:
Graphics Processing UnitMicromagneticsOOMMFmagnetostatics

More Related Videos

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis
11:29

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis

Published on: December 18, 2014

12.1K
Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains
07:42

Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

Published on: July 20, 2022

3.0K

Related Experiment Videos

Last Updated: Nov 26, 2025

Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package
06:37

Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package

Published on: September 17, 2021

4.8K
Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis
11:29

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis

Published on: December 18, 2014

12.1K
Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains
07:42

Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

Published on: July 20, 2022

3.0K

Area of Science:

  • Computational physics
  • Materials science
  • Scientific computing

Background:

  • Micromagnetic simulations are crucial for understanding magnetic materials.
  • Existing solvers can be computationally intensive, limiting simulation size and speed.
  • Efficient computation of magnetostatic fields is a key challenge.

Purpose of the Study:

  • To develop and integrate a GPU-accelerated micromagnetic solver into OOMMF.
  • To implement and compare two distinct FFT-accelerated magnetostatic field computation approaches.
  • To evaluate the performance trade-offs of the implemented methods.

Main Methods:

  • Finite Difference method for micromagnetic calculations.
  • Graphics Processing Unit (GPU) acceleration for enhanced performance.
  • Two Fast Fourier Transform (FFT) based approaches for magnetostatic field calculation: tensor and scalar potential methods.
  • Integration with the Object Oriented MicroMagnetic Framework (OOMMF).

Main Results:

  • The GPU implementation of OOMMF demonstrates substantial speed improvements, up to 32x compared to CPU.
  • Both tensor and scalar potential approaches were successfully implemented and compared.
  • Detailed comparisons of speed, memory usage, and accuracy between the two methods were provided.

Conclusions:

  • GPU acceleration significantly enhances the performance of micromagnetic simulations within OOMMF.
  • The implemented methods offer viable options for accelerating magnetostatic field calculations.
  • The findings pave the way for larger and faster micromagnetic simulations.