Software Alternatives, Accelerators & Startups

ANSYS Fluent VS LibreCAD

Compare ANSYS Fluent VS LibreCAD and see what are their differences

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ANSYS Fluent logo ANSYS Fluent

ANSYS engineering simulation and 3D design software delivers product modeling solutions with unmatched scalability and a comprehensive multiphysics foundation.

LibreCAD logo LibreCAD

An open source 2D CAD application for Windows, Apple and Linux.
  • ANSYS Fluent Landing page
    Landing page //
    2023-01-26
  • LibreCAD Landing page
    Landing page //
    2021-10-18

ANSYS Fluent features and specs

  • Comprehensive Physics Modeling
    ANSYS Fluent offers extensive modeling capabilities encompassing fluid dynamics, heat transfer, turbulence, and various multiphase flows, enabling accurate simulations across a wide range of applications.
  • High Accuracy
    With advanced numerical algorithms, Fluent provides highly accurate results, which are validated across numerous industries and academic studies.
  • User-friendly Interface
    The software features a user-friendly graphical interface, making it easier for both beginners and experienced users to set up and analyze simulations.
  • Extensive Post-Processing Tools
    Fluent includes a suite of post-processing tools that allow users to visualize and analyze simulation results in detail through contour plots, vector plots, and animations.
  • Strong Technical Support and Community
    ANSYS offers extensive documentation, tutorials, and customer support, as well as an active user community that can help with troubleshooting and learning.
  • Scalability
    Fluent is highly scalable and can run on a wide range of platforms, from personal workstations to high-performance computing clusters, making it suitable for different project sizes.

Possible disadvantages of ANSYS Fluent

  • Cost
    ANSYS Fluent is a high-end software, often accompanied by significant licensing fees, which may not be affordable for smaller companies or individual users.
  • Steep Learning Curve
    Despite its user-friendly interface, the comprehensive features and advanced functionalities of Fluent can result in a steep learning curve for new users.
  • Resource Intensive
    Running complex simulations in Fluent can be computationally demanding, requiring significant processing power and memory, which might necessitate high-performance computing resources.
  • Dependency on Accurate Input
    The accuracy of Fluent simulations is heavily dependent on the quality of input data and initial conditions, which means that inaccurate or insufficient input can lead to unreliable results.
  • Occasional Stability Issues
    Users sometimes report stability issues or crashes during large, complex simulations, which can disrupt workflow and require troubleshooting.

LibreCAD features and specs

  • Free and Open Source
    LibreCAD is completely free to use, and its open-source nature allows users to modify and improve the software according to their needs.
  • Cross-Platform
    The software is available for Windows, macOS, and Linux, ensuring that users on different operating systems can utilize it without compatibility issues.
  • Lightweight
    LibreCAD is not resource-heavy, making it suitable for older computers and systems with limited hardware capabilities.
  • 2D CAD Focus
    Specialized for 2D design, making it easier for users who specifically need 2D drafting tools as it avoids the complexities associated with 3D modeling.
  • Customizable Interface
    Users can tailor the interface to better suit their workflow, enhancing productivity and ease of use.
  • Active Community Support
    An active community provides support, documentation, and forums for troubleshooting and advice, making it easier for users to solve problems and learn new features.

Possible disadvantages of LibreCAD

  • Limited 3D Capabilities
    LibreCAD is primarily a 2D CAD software and does not support 3D modeling, which can be a limitation for users needing advanced spatial design tools.
  • Steeper Learning Curve for Beginners
    While powerful, the software can be challenging for new users unfamiliar with CAD software, requiring a significant amount of time to learn.
  • Fewer Advanced Features
    Compared to some professional CAD packages, LibreCAD lacks some of the more advanced features and tools, which can limit its use in complex projects.
  • Limited File Format Compatibility
    LibreCAD primarily supports DXF format, and while it can read/write other formats, the compatibility is not as comprehensive as some other CAD software.
  • Occasional Stability Issues
    Some users have reported crashes and bugs, which can be problematic for those working on time-sensitive projects.
  • Sparse Documentation
    While there is community support, the official documentation can be lacking in detail, making it difficult for users to find thorough guidance on complex tasks.

ANSYS Fluent videos

ANSYS Fluent: Overview of the Mapped Interface Technique for CHT Simulations

LibreCAD videos

FreeCAD vs. LibreCAD

More videos:

Category Popularity

0-100% (relative to ANSYS Fluent and LibreCAD)
Numerical Computation
100 100%
0% 0
3D
0 0%
100% 100
Technical Computing
100 100%
0% 0
Architecture
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare ANSYS Fluent and LibreCAD

ANSYS Fluent Reviews

We have no reviews of ANSYS Fluent yet.
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LibreCAD Reviews

15 Best Sketchup Alternatives 2022
Also, it is a CAD program so the created files can work on other CAD software programs, even if 3D based. Sketchup supports up to 11 languages, but LibreCAD beats that with support for more than 30 languages.
Alternatives to SketchUp: Check out 10 free programs
Just like Blender, you can help develop and enhance the platform by editing the code base and adding even more features to the software. So, if you’re looking for a more simple, perfect for beginners program, LibreCAD can be the best out of the alternatives to SketchUp for you. Being a fully free system, you can only gain.
Source: solidface.com
9 Free CAD Software to Download
Here’s another high quality 2D-CAD modeling platform, LibreCAD, an easy-to-use software with a lot of high quality features included in it. LibreCAD has features such as snap to grid for drawing, usage of layers, measurements inside your drawing and plenty others to make your life easier when you’re drawing on a 2D-CAD platform.
Looking for a SketchUp alternative? Check out the 10 best options
LibreCAD is a 2D CAD software that serves as a great way to learn and practice 2D modeling. It’s completely free and open-sourced, with a healthy user base around it to boot.
Source: all3dp.com

Social recommendations and mentions

Based on our record, LibreCAD seems to be a lot more popular than ANSYS Fluent. While we know about 19 links to LibreCAD, we've tracked only 1 mention of ANSYS Fluent. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

ANSYS Fluent mentions (1)

  • Cannot access the ansys.com website (Access denied)
    I live in Iraq and whenever I try to access "ansys.com", I get the error. Source: over 2 years ago

LibreCAD mentions (19)

  • Looking for a poor man's AutoCad
    LibreCAD, OpenSCAD (more script based and more for solids), FreeCAD. Source: almost 2 years ago
  • If I don't use Windows or Mac and only use Linux, will I run into a lot of compatibility issues?
    CAD options on Linux are more limited than windows or mac but they do exist. The industry standard for 2d CAD files is the .dxf file format. I use LibreCAD. https://librecad.org/ The UI is a little clunky and eccentric in places but it is feature complete for 2d CAD drawings. Source: about 2 years ago
  • Windows / MacOS - Home/garden design
    You could also try out free AutoCAD alternatives like libreCAD (2D), or brlCAD (2D&3D, I believe). Source: about 2 years ago
  • Everything you need to know about CAD humble bundle
    It seems like a low risk purchase for $1, however, there are free options available too such as https://librecad.org/ . Or see https://www.reddit.com/r/humblebundles/comments/117ki1c/comment/j9v0v37/?utm_source=reddit&utm_medium=web2x&context=3 for an older Autocad clone. Beckercad 2D seems like a niche product so I would probably invest my time learning something that is more mainstream. Source: about 2 years ago
  • Architectural Software
    For 2d stuff I tend to use Libra cad Https://librecad.org/. Source: over 2 years ago
View more

What are some alternatives?

When comparing ANSYS Fluent and LibreCAD, you can also consider the following products

OpenFOAM - OpenFOAM® - Official home of The Open Source Computational Fluid Dynamics (CFD) Toolbox.

FreeCAD - An open-source parametric 3D modeler

MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming

SketchUp - 3D for Everyone

SimScale - SimScale makes high-fidelity engineering simulation truly accessible. From anywhere. At any scale. In the cloud.

Autodesk AutoCAD - Autodesk AutoCAD is a commercial computer-aided design (CAD) and drafting software application.