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Related Experiment Video

Updated: Jun 4, 2026

Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom

Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom

Published on: February 25, 2022

A bloodstream simulation based on particle method.

Masashi Nakagawa¹, Nobuhiko Mukai, Kiyomi Niki

¹Graduate School of Engineering, Tokyo City University, Japan. nakagawa@vgl.cs.tcu.ac.jp

Studies in Health Technology and Informatics

|February 22, 2011

Summary

This study introduces a particle-based simulation for surgical training, using the Moving Particle Semi-implicit (MPS) method to model blood flow and bleeding. This approach avoids mesh complexities, enabling efficient simulation of dynamic events like blood vessel deformation.

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Area of Science:

Biomedical Engineering
Computational Fluid Dynamics
Medical Simulation

Background:

Traditional mesh-based methods in surgical simulators struggle with dynamic model breakage, such as bleeding, requiring complex mesh reconstruction.
Particle methods offer an alternative by representing continuous bodies as particles, simplifying simulations of deformable objects and fluids.

Purpose of the Study:

To present a novel particle-based simulation method for accurately modeling bloodstream and bleeding in surgical contexts.
To demonstrate the efficacy of the Moving Particle Semi-implicit (MPS) method for simulating blood vessel dynamics.

Main Methods:

Utilized the Moving Particle Semi-implicit (MPS) method, a particle-based approach, for simulating fluid dynamics and solid deformation.
Developed a blood vessel model, specifically an aorta, constructed entirely from particles.
Simulated blood flow and bleeding phenomena using the particle-based aorta model.

Main Results:

Successfully simulated blood vessel deformation and bleeding using the MPS method.
The simulation of a blood vessel model (15,880 particles) and blood (6,688 particles) achieved a deformation and bleeding simulation time of 20 ms.
Demonstrated the particle method's capability to handle complex scenarios like bleeding without mesh reconstruction.

Conclusions:

The Moving Particle Semi-implicit (MPS) method provides an efficient and robust alternative to mesh-based techniques for simulating surgical scenarios involving blood and deformable tissues.
Particle-based simulation effectively models blood flow and bleeding, offering advantages for developing advanced surgical simulators.