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Elements: An Engineering Simulation Blog

Serving the engineering simulation community and ANSYS and Rocky DEM users by sharing news, workshops, seminars, training, webinars, tips & tricks, and more.
Aug
06

Modeling Mixing Tanks Using ANSYS CFD

In manufacturing settings, a mixing tank is often used to prepare materials for production. Large amounts of materials are put into an enormous tank in order to blend components together through refined mixing.

cfd simulation of mixing tank processCFD Simulation of Mixing Tank Process
Mixing tanks are an important piece of equipment in industries such as:

  • Water/Effluent Treatment
  • Pharma/Bio-Tech
  • Biofuels
  • Cosmetics
  • Oil & Petroleum
  • Mineral Processing
  • Flue Gas Desulpherization
  • Paints & Coatings
  • Adhesives & Sealants
  • Polymer & Plastics
  • Mining
  • Chemical Processing

The $64,000 question for the manufacturer: Do the quality and consistency of the final mixture meet the intended goals? If not, what needs to change? Obviously, the manufacturer can adjust the material inputs, the speed of the mixer, and other factors through trial and error. However, this approach provides information only on the inputs and outputs. If I add so much of product A and so much of product B, and mix at a certain speed for a certain time and at a certain temperature, then I get product C. This method doesn’t offer much information on the actual mixing process itself.

Computational Fluid Dynamic (CFD) simulation software can provide much more insight into the mixing process, showing the manufacturer a detailed picture of what is happening inside the tank and how the materials are reacting over time. For example, what if the mixing process could be shortened by 30 seconds? What kind of economic impact would that make?

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Sep
26

New ANSYS 19.2 release offers Fluent improvements for faster CFD

ANSYS 19.2 Release

ANSYS 19.2 is now available for download from the ANSYS Customer Portal (registration & log-in required).

The big news with the release of 19.2 concerns ANSYS Fluent.

Over the last two years, the Fluids business unit at ANSYS, Inc. has undertaken a large initiative to overhaul the Fluent user experience and workflow with these goals in mind:

  • Provide a complete, integrated CAD-to-Post solution in Fluent
  • Streamline the Fluent meshing workflow for generating a mesh from imported CAD
  • Remove usability barriers for common tasks that frustrate users and waste their time

With ANSYS 19.2, they are delivering on these goals by releasing a task-based workflow with Mosaic Meshing that speeds up CFD simulations and helps engineers get accurate results with less training.

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