ansys-fluent-core
PyFluent provides Pythonic access to Ansys Fluent.
Decision gist · record as of 2026-08-14
Yes, if you have a licensed Fluent installation and need to automate or integrate CFD simulations into Python workflows. The package is actively maintained, has no known vulnerabilities, uses a permissive MIT license, and offers low installation friction. The main constraint is the external Fluent dependency and environment variable setup on Linux; if you lack a Fluent license or cannot meet the version requirements (2024 R2 SP05 or later), it will not be useful.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a licensed local installation of Ansys Fluent (versions 2024 R2 SP05, 2025 R1 SP04, 2025 R2 SP03, 2026 R1, or later).
- On Linux, the AWP_ROOT environment variable must be set manually to point to the Fluent installation directory.
- Low friction installation with a pure-Python wheel.
License · maintenance · safety
MIT (permissive) — MIT license permits commercial and private use with minimal restrictions. No copyleft obligations; you can integrate PyFluent into proprietary code without licensing concerns.
last release 2026-08-06 (8 days) · last repo commit 2026-08-14 · 478 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 80,962 downloads/mo, #14,260 on PyPI
Alternatives
Verify before relying
import ansys.fluent.core as pyfluent
solver_session = pyfluent.launch_fluent()
solver_session.is_server_healthy()- Whether the package works with Fluent versions older than 2024 R2 SP05 despite the documentation stating they are no longer supported.
- Performance characteristics and scalability limits for large-scale simulations or batch job submission.
- Compatibility details with Fluent's distributed computing features and cluster job scheduling.
What it is and what it does
PyFluent is a Python wrapper around Ansys Fluent, the commercial computational fluid dynamics (CFD) solver. It lets you launch Fluent from Python, issue text user interface (TUI) commands for meshing and solving, and access built-in postprocessing capabilities—all without leaving your Python environment. This is useful for automating simulation workflows, parameterizing studies, or integrating Fluent into larger Python-based engineering pipelines.
The package requires a licensed local Fluent installation (2024 R2 SP05 or later on Windows or Linux) and handles communication via gRPC. It depends on numpy, pandas, and other standard scientific Python libraries, plus Ansys-specific packages for platform management and file transfer. Installation is straightforward, and the project is actively maintained with regular updates.
Use it for
- Automate parametric CFD studies by launching Fluent, setting up geometry and mesh parameters, running solvers, and extracting results in a single Python script.
- Integrate Fluent simulations into a larger engineering workflow that combines preprocessing, simulation, and postprocessing in one reproducible pipeline.
- Build batch job submission systems that spawn multiple Fluent instances with different configurations and collect results for comparison.
- Develop custom analysis tools that query Fluent's TUI to extract intermediate results or monitor solver convergence in real time.
- Create Python-based optimization loops that adjust simulation inputs, run Fluent, and evaluate objectives without manual intervention.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you have a licensed Fluent installation and need to automate or integrate CFD simulations into Python workflows.
The package is actively maintained, has no known vulnerabilities, uses a permissive MIT license, and offers low installation friction. The main constraint is the external Fluent dependency and environment variable setup on Linux; if you lack a Fluent license or cannot meet the version requirements (2024 R2 SP05 or later), it will not be useful.
Install
ansys-fluent-core on PyPI
Before you install
Low friction installation with a pure-Python wheel. Active maintenance with a recent release (8 days old) and steady commit activity. Depends on 17 runtime packages including gRPC, numpy, and pandas, all standard ecosystem libraries.
Requires a licensed local installation of Ansys Fluent (versions 2024 R2 SP05, 2025 R1 SP04, 2025 R2 SP03, 2026 R1, or later). On Linux, the AWP_ROOT environment variable must be set manually to point to the Fluent installation directory.
License in practice
MIT license permits commercial and private use with minimal restrictions. No copyleft obligations; you can integrate PyFluent into proprietary code without licensing concerns.
Quickstart
import ansys.fluent.core as pyfluent
solver_session = pyfluent.launch_fluent()
solver_session.is_server_healthy()Verify before relying
- Whether the package works with Fluent versions older than 2024 R2 SP05 despite the documentation stating they are no longer supported.
- Performance characteristics and scalability limits for large-scale simulations or batch job submission.
- Compatibility details with Fluent's distributed computing features and cluster job scheduling.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release <3.15,>=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 17 packagesansys-api-fluentansys-platform-instancemanagementansys-tools-commonansys-tools-filetransferansys-unitsdefusedxmldeprecateddockergrpciogrpcio-health-checkinggrpcio-statusgrpcio-reflectionnumpypandaspandas-stubspyyamltyping-extensions |
| Maintenance | Actively maintained 8 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 80,962 / month, #14,260 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaOperating System :: OS IndependentProgramming Language :: Python :: 3 |
Evidence: ansys_fluent_core-0.41.0-py3-none-any.whl
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See also ansys-api-fluent · ansys-dpf-core · ansys-tools-visualization-interface · fluent.pygments · pyaedt · ansys-edb-core · ansys-tools-common · ansys-platform-instancemanagement