Related Experiment Video
Updated: May 14, 2026

06:26
Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom
Published on: February 25, 2022
A directed particle system for optimised visualization of blood flow in complex networks
Serban R Pop1, Chris J Hughes, Llyr Ap Cenydd
1Bangor University, UK. serban@bangor.ac.uk
Studies in Health Technology and Informatics
|February 13, 2013
Summary
This study presents a new Directed Particle System (DPS) for visualizing fluid flow in complex 3D vessel networks. DPS offers real-time visualization and simulation, aiding applications like coronary collateralization analysis.
Area of Science:
- Biomedical Engineering
- Computer Graphics
- Fluid Dynamics
Background:
- Visualizing fluid flow in complex 3D networks is challenging.
- Existing methods may lack real-time capabilities or qualitative simulation accuracy.
Purpose of the Study:
- To introduce a novel technique for visualizing and simulating fluid flow in intricate 3D vessel structures.
- To demonstrate the efficacy of the Directed Particle System (DPS) for such applications.
Main Methods:
- Developed the Directed Particle System (DPS), inspired by flocking agents in computer graphics.
- Optimized DPS for effective real-time visualization and qualitative fluid flow simulation.
- Applied DPS to create a decision support tool for coronary collateralization.
Main Results:
- DPS provides effective real-time visualization of fluid flow.
- The system allows for qualitative simulation of fluid dynamics within complex networks.
- Demonstrated a potential application in medical decision support for coronary collateralization.
Conclusions:
- The Directed Particle System (DPS) is a novel and effective method for visualizing and simulating fluid flow in 3D vessel networks.
- DPS has significant potential for various applications, including medical decision support systems.
Related Concept Videos
Blood Flow
Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
Applications of Integration to Find Blood Flow
Blood flow through a cylindrical blood vessel can be mathematically described using the principles of laminar flow, a regime in which fluid moves smoothly in parallel layers. In this model, the velocity of the blood is not uniform across the cross-section of the vessel; rather, it varies with the radial distance from the center. The maximum velocity occurs along the central axis, decreasing progressively toward the vessel walls, where it reaches zero due to viscous drag.Approximating Blood...
Development of Blood Vessels
The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
Physiological Pharmacokinetic Models: Blood Flow-Limited Versus Diffusion-Limited Models
Physiological pharmacokinetic models, often called flow-limited or perfusion models, typically assume a swift drug distribution between tissue and venous blood, creating a rapid drug equilibrium. This premise is based on the idea that drug diffusion is extremely fast, and the cell membrane presents no barrier to drug permeation. In this scenario, where no drug binding occurs, the drug concentration in the tissue equals that of the venous blood leaving the tissue. This greatly simplifies the...
Anatomy of Blood Vessels
The vascular system, an integral part of the circulatory system, comprises various blood vessels that play crucial roles in maintaining the body's homeostasis. These blood vessels form a complex and efficient circulatory network. The three primary categories of blood vessels are the arteries, veins, and capillaries.
Arteries
Arteries circulate oxygenated blood from the heart, except the pulmonary artery, which transports deoxygenated blood to the lungs. Large arteries, such as the aorta, have...
Arteries
Arteries circulate oxygenated blood from the heart, except the pulmonary artery, which transports deoxygenated blood to the lungs. Large arteries, such as the aorta, have...
Overview of Blood Vessels
The human cardiovascular system comprises five primary types of blood vessels: arteries, arterioles, veins, venules, and capillaries, each serving unique functions.
Arteries and Arterioles: Arteries are muscular and elastic vessels that primarily carry oxygenated blood from the heart to body tissues, except for the pulmonary artery, which carries deoxygenated blood. They have thick walls to withstand high pressure and contain a layer of muscle tissue, allowing them to expand or contract as...
Arteries and Arterioles: Arteries are muscular and elastic vessels that primarily carry oxygenated blood from the heart to body tissues, except for the pulmonary artery, which carries deoxygenated blood. They have thick walls to withstand high pressure and contain a layer of muscle tissue, allowing them to expand or contract as...

