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What is MFiX?

MFiX, an acronym for Multiphase Flow with Interphase eXchanges, is an open-source solver created for multiphase flow and is recognized as NETL's primary computational fluid dynamics tool suite for simulating reacting multiphase flows. This software has become a standard for evaluating, implementing, and analyzing constitutive models in multiphase flow environments and has been applied in a wide range of multiphase flow devices and industrial contexts. MFiX provides a diverse array of modeling techniques, such as the Two-Fluid Model, Discrete Element Model, Coarse-Grained Particle DEM, Superquadric Particle DEM, Glued-Sphere Particle DEM, as well as the Particle-in-Cell model and hybrid approaches, along with a specialized single-phase solver for granular flows. These sophisticated models facilitate the simulation of various systems including gasifiers, circulating fluidized bed combustors, fluidized beds, fluid catalytic crackers, and chemical looping combustion systems, tackling the intricate interactions of hydrodynamics, heat transfer, species transport, and numerous chemical reactions. Consequently, MFiX plays a vital role in enhancing the understanding and optimization of these complex processes, benefiting both academic research and industrial applications alike. Its ongoing development and community support further ensure that MFiX remains at the forefront of multiphase flow simulation technology.

What is Ansys Rocky?

Ansys Rocky is a high-performance particle simulation platform that applies the discrete element method to model the behavior of granular materials, powders, fibers, and other particulate systems. Developed for engineering and industrial applications, the software enables users to study particle interactions with exceptional detail and realism. Ansys Rocky supports realistic particle geometries, including non-spherical shapes, flexible and rigid fibers, 2D shells, and custom particle structures that closely represent real-world materials. Its multi-GPU solver architecture significantly accelerates simulation performance, making it possible to analyze large particle populations and highly complex systems efficiently. The platform includes advanced physical modeling capabilities such as wear prediction, breakage analysis, cohesion modeling, particle collision behavior, and material degradation studies. Engineers can integrate Rocky with computational fluid dynamics and finite element analysis tools to create multiphysics simulations that account for fluid flow, structural interactions, and particle dynamics simultaneously. The software also supports multibody dynamics, 3D scan imports, automated workflows, and customizable simulation scripting. Industries such as mining, pharmaceuticals, food processing, manufacturing, agriculture, chemicals, and consumer products use Ansys Rocky to improve equipment design and optimize operational processes. By reducing dependence on physical testing, organizations can evaluate design alternatives more quickly and lower development costs. Recent enhancements include engineering copilot functionality, expanded multiphysics coupling, improved GPU performance, and advanced automation features that further increase simulation efficiency.

Media

Media

Integrations Supported

Ansys Mechanical
Python

Integrations Supported

Ansys Mechanical
Python

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

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

National Energy Technology Laboratory

Company Location

United States

Company Website

mfix.netl.doe.gov/products/mfix/

Company Facts

Organization Name

Ansys

Date Founded

1970

Company Location

United States

Company Website

www.ansys.com/products/fluids/ansys-rocky

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