## What is FLOTRAN?

FLOTRAN is a finite element analysis program for solving fluid flow and conjugate heat transfer problems. The governing equations solved by FLOTRAN are the Navier-Stokes equations combined with the continuity equation, the thermal transport equation, and constitutive property relationships.

## Does Ansys have CFD?

Ansys computational fluid dynamics (CFD) products are for engineers who need to make better, faster decisions. Our CFD simulation products have been validated and are highly regarded for their superior computing power and accurate results.

**How do I run Ansys CFD?**

To run CFD-Post standalone, from the Start menu, right-click All Programs / ANSYS 12.0 / Fluid Dynamics / CFD-Post and select Properties. Type the path to your working directory in the Start in field and click OK, then click All Programs / ANSYS 12.0 / Fluid Dynamics / CFD-Post to launch CFD-Post.

**Which ANSYS is used for CFD?**

Ansys Forte Exceptionally reliable CFD software for internal combustion engines and positive displacement compressor design.

### Can solidworks do CFD?

SOLIDWORKS® Flow Simulation is an intuitive Computational Fluid Dynamics (CFD) solution embedded within SOLIDWORKS 3D CAD that enables you to quickly and easily simulate liquid and gas flows through and around your designs to calculate product performance and capabilities.

### How do I create a CFD model?

In further detail, these steps include:

- Formulate the Flow Problem.
- Model the Geometry and Flow Domain.
- Establish the Boundary and Initial Conditions.
- Generate the Grid.
- Establish the Simulation Strategy.
- Establish the Input Parameters and Files.
- Perform the Simulation.
- Monitor the Simulation for Completion.

**What is CFD meshing?**

CFD meshing applies a numerical grid to a fluid body and boundary, similar to meshing in finite element simulations. Meshing algorithms are used to generate collections of grid points, which will determine the accuracy of a CFD simulation.

**What is meshing in ANSYS Workbench?**

Meshing is the process of turning irregular shapes into more recognizable volumes called “elements.” Before you start meshing, you must first upload a geometry or CAD model into, for example, Ansys Mechanical to begin the simulation process.

## What is CFD software?

Autodesk CFD is a computational fluid dynamics simulation software that engineers and analysts use to intelligently predict how liquids and gases will perform. Autodesk CFD helps to minimize the need for physical prototypes while providing deeper insight into fluid flow design performance.

## Is CFD hard to learn?

Pursuing higher education in CFD and having interest in doing research is a very good choice, however CFD is not an easy task. It requires strong knowledge in subjects like fluid mechanics,dynamics, thermodynamics and heat transfer.

**How can I integrate Flotran with ANSYS?**

FLOTRAN has been integrated with ANSYS. This integration allows users to build the finite element models using ANSYS PREP7 and to pass the model data to flotran for the various analyses. Once the FLOTRAN analyses are done, the data can then be transferred to the ANSYS postprocessor, POST1.

**What is ANSYS Workbench?**

The Ansys Workbench platform lets you integrate data across engineering simulations to create more accurate models more efficiently. Ansys Workbench makes it easier to make more informed design choices by coordinating all your simulation data in one place. The real world happens all at once.

### What is Flotran (R)?

This is the FLOTRAN (R) general purpose finite element computer program for fluid flow and heat transfer analysis. Neither Swanson Analysis Systems, Inc. nor any distributor supplying this program assume any responsibility for the validity, accuracy, or applicability of any results obtained from the FLOTRAN (R) program.

### Why does a Flotran analysis run for a short time then diverge?

If a FLOTRAN analysis runs for a short time (5-10 iterations) where it appears to converge and then diverges, it may be caused by improper run parameters. For example, a laminar flow analysis on a high Reynold number situation may first converge then diverge.