cffview
A command-line tool for inspecting Ansys Fluent .cas.h5 / .msh.h5 files without opening Fluent.
- Read solver settings, materials, boundary conditions, discretisation schemes, and more directly from the HDF5 file.
- Visualise the mesh with PyVista.
Installation
pip install cffview
Build from source
git clone https://github.com/preamer/cffview.git
cd cffview
pip install .
Usage
cffview <file> [options]
Options
| Option | Description |
|---|---|
-v, --version |
Print the Fluent version stored in the file |
--extract |
Dump raw Scheme settings to general.scm and boundary.scm |
--showmesh |
Visualise the mesh interactively with PyVista |
--solver |
Solver type, time, dimension, precision, turbulence model, energy, radiation, gravity |
--mat |
Material properties |
--bd |
Boundary condition settings |
--ne |
Named expressions |
--disc |
Discretisation schemes and relaxation factors |
--rd |
Report definitions |
--plotsets |
Plot sets |
--monitorsets |
Monitor sets |
--iter |
Iteration / time-step settings |
--save |
Save the output to <file>.json |
Multiple flags can be combined freely. Case settings flags (--solver, --mat, etc.) apply to .cas.h5 files only.
Examples
# Show solver configuration and boundary conditions
cffview case.cas.h5 --solver --bd
# Show all settings and save to JSON
cffview case.cas.h5 --solver --mat --bd --ne --disc --rd --iter --save
# Visualise the mesh (.cas.h5 and .msh.h5 both supported)
cffview case.cas.h5 --showmesh
cffview mesh.msh.h5 --showmesh
# Check the Fluent version embedded in the file
cffview case.cas.h5 --version
# Extract raw Scheme strings for manual inspection
cffview case.cas.h5 --extract
File Format Support
| Feature | .cas.h5 |
.msh.h5 |
|---|---|---|
Case settings (--solver, --mat, --bd, …) |
✅ | — |
| Mesh visualisation (3D) | ✅ | ✅ |
| Mesh visualisation (2D) | ✅ | ✅ |
Supported Settings
| Flag | Contents |
|---|---|
--solver |
Algorithm (PBNS/DBNS), steady/transient, 2D/3D, single/double precision, turbulence model, energy, radiation, gravity |
--mat |
Fluid/solid materials with properties and evaluation methods |
--bd |
Velocity-inlet, pressure-outlet, mass-flow-inlet/outlet, wall (thermal & motion BC), porous-jump, interior, symmetry, … |
--ne |
Named expressions defined in the case |
--disc |
Per-equation scheme (Second Order Upwind, QUICK, …) and under-relaxation / pseudo-transient factors |
--rd |
Report definitions (volume, surface, flux) with field, zones, and per-zone flag |
--plotsets |
Plot set configurations |
--monitorsets |
Monitor set configurations |
--iter |
Iteration count (steady) or time-step size, number of steps, max inner iterations (transient) |
License
1 maintainer
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