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What is PFC (Particle Flow Code)?

PFC, which stands for Particle Flow Code, is a flexible distinct-element modeling tool available in both two-dimensional and three-dimensional formats, referred to as PFC2D and PFC3D, respectively. This innovative framework is designed to simulate synthetic granular and solid materials by modeling them as collections of rigid particles of different sizes and shapes, which can encompass disks, spheres, and a variety of polyhedra. Its architecture provides an efficient and versatile method for replicating the dynamics, interactions, fragmentation, flow, deformation, and failure of particle systems, proving useful in sectors such as geomechanics, mining, civil engineering, materials processing, and industrial design. Importantly, PFC is particularly effective in situations where material behavior is influenced by particle-level interactions, including contact mechanics, bonding, friction, rearrangement, fracture, and flow, instead of depending on a continuous material mesh. Users can create models of bonded materials, such as rock, concrete, or cemented soil, alongside unbound granular materials like sand, gravel, ballast, ore, powders, and small grains. This wide-ranging functionality renders PFC an essential tool for both researchers and engineers who are engaged with complex material behaviors, facilitating a deeper understanding of the intricate mechanics at play. Furthermore, the ability to customize and adapt models to specific research needs enhances its significance in various scientific and engineering applications.

What is Fire Dynamics Simulator (FDS)?

The Fire Dynamics Simulator (FDS) is an open-source tool designed for simulating and visualizing fire-influenced flow dynamics. This computational fluid dynamics software adeptly resolves a modified version of the Navier–Stokes equations specifically aimed at low-velocity, thermally-driven airflow, with an emphasis on the movement of smoke and heat generated by fires. By utilizing large-eddy simulation techniques, it effectively captures the complexities of fire-plume behavior and is applicable to a variety of situations, including those involving wind effects, sprinkler systems, ventilation strategies, and different materials that influence fire characteristics. Users can define their scenarios through text-based input files, perform simulations with FDS, and analyze the resulting data afterward. The software provides visual outputs from both FDS and CFAST simulations using sophisticated OpenGL-powered 3D graphics, which include scientific visualization methods like animated smoke patterns, tracer particle animations, and two- and three-dimensional shaded surfaces, along with iso-surfaces, temperature gradients, and flow vector displays indicating both movement direction and strength. Moreover, FDS undergoes regular updates to improve its usability and features, ensuring it remains an essential resource for both researchers and fire safety experts. As a result, its continuous development further solidifies its significance in enhancing fire safety and understanding fire dynamics.

Media

Media

Integrations Supported

FireFlow Studio for FDS
OpenGL

Integrations Supported

FireFlow Studio for FDS
OpenGL

API Availability

Has API

API Availability

Has API

Pricing Information

$9,588 one-time payment
Free Version
Free Trial Offered?

Pricing Information

Free
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

ITASCA Consulting

Date Founded

1981

Company Location

United States

Company Website

www.itascacg.com/software/pfc

Company Facts

Organization Name

NIST

Date Founded

1901

Company Location

United States

Company Website

pages.nist.gov/fds-smv/

Categories and Features

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IT for Nature