blobmodel
blobmodel: A focused, open-source Python model for configurable blob realizations and NetCDF output. Ranked #55 of 89 in Physics Simulation Software by our editors (3.5/10); pricing: Free plan; best for researchers modeling propagating and dissipating blobs.
At a glance
- Editor score3.5 / 10
- PricingFree plan
- Best forResearchers modeling propagating and dissipating blobs
- Free planYes
- Paid fromFree
- Facts checked23 Sep 2026
Where it wins
- Models one- and two-dimensional blob realizations.
- Configures amplitudes, widths, velocities, drainage times and pulse shapes.
- Visualizes results and writes realization output to NetCDF.
Where it doesn't
- Focused on blob modeling rather than general-purpose physics simulation.
- Provides 1D and 2D models, not 3D visuals.
- Self-hosted Python package with documentation as its support channel.
Our verdict on blobmodel
blobmodel is an open-source Python package for generating numerical realizations of propagating, advecting and dissipating blobs. It is aimed at scientific researchers modeling these phenomena, with an original application in fusion scrape-off-layer studies. This is a specialized simulation tool rather than a learner-facing lesson platform or a broad physics environment. Researchers who need configurable blob behavior in one or two spatial dimensions are its natural audience; teams seeking 3D visual simulation should look elsewhere.
The model exposes parameters for blob amplitude, width, velocity and drainage time, along with Gaussian, exponential, Lorentzian and rectangular pulse shapes. Grid discretization, geometry and time resolution can also be configured. For less standardized studies, custom BlobFactory classes allow users to define parameter distributions. This breadth within the blob-modeling problem is useful when comparing how different blob properties and stochastic choices affect realizations, but it does not make the package a general-purpose solver for unrelated physics models. Its visualizations and animations help inspect generated output, while NetCDF export supports carrying realization data into other scientific workflows.
blobmodel is distributed as open-source software and installed with pip; it is self-hosted, so users work in a Python environment rather than through a hosted application. Documentation is the listed support channel, which suits researchers comfortable with scientific Python packages but may leave less guidance for users who expect structured onboarding or broader support. Choose it when your work specifically calls for configurable 1D or 2D propagating and dissipating blob realizations and data export. It is a weaker fit for users needing 3D visuals, an all-purpose physics simulation suite or a guided teaching platform.
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blobmodel pricing
blobmodel fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Delivery mode | Not verified |
| Lesson library | Not verified |
| Authoring tools | Yes |
| Assessment tools | Not verified |
| 3D visuals | No |
| Offline access | Not verified |
| Data export | Yes |
| Deployment | Self-hosted |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | blobmodel.readthedocs.io |
| Facts checked | 23 Sep 2026 |
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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