MPTRAC vs PetIBM
MPTRAC
slcs-jsc.github.ioPetIBM
barbagroup.github.ioSide by side
| Figure | MPTRAC | PetIBM |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| macOS | — | Yes |
| Linux | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 2 | 1 |
| Spec score · Physics Simulation Software | 8.7 (#7) | 8.0 (#33) |
| Assessment tools | No | No |
| Authoring tools | No | No |
| Delivery mode | hybrid | desktop |
| Free plan | Yes | Yes |
| Lesson library | No | No |
| License | The repository states that MPTRAC is distributed under the GNU General Public License v3.0. | PetIBM code is under the BSD 3-Clause License. |
| Offline access | Yes | Yes |
| Parallel computing | MPTRAC supports hybrid MPI, OpenMP, and OpenACC parallelization for clusters and GPU-enabled systems; OpenMP is always enabled. | It supports distributed-memory architectures, multiple GPUs on one node, and GPU clusters. |
| Purpose | MPTRAC is a Lagrangian particle dispersion model for analyzing atmospheric transport in the free troposphere and stratosphere. | PetIBM implements immersed-boundary methods to solve 2D and 3D incompressible Navier–Stokes equations on stretched Cartesian grids using a projection approach. |
| Support | The project directs questions, support, and collaboration inquiries to Dr. Lars Hoffmann at the Jülich Supercomputing Centre. | The project directs bug reports, feature requests, and questions to its GitHub issue tracker and lists email contacts for questions, suggestions, or feedback. |
Plans
In their own words
MPTRAC
MPTRAC is a Lagrangian particle dispersion model for studying atmospheric transport in the free troposphere and stratosphere. It calculates forward and backward air-parcel trajectories from meteorological wind fields, with stochastic diffusion, subgrid wind variation and mixing between parcels. Optional process parameterizations cover convection, sedimentation, decay, gas-phase and aqueous-phase chemistry, and wet and dry deposition. Listed research applications include long-range pollutant transport, volcanic ash dispersion, tracer experiments and atmospheric chemistry.
The browser-based Web Runner can configure, run and visualize simulations, then download results without local installation. It is limited to 10,000 air parcels, 30 days and 10 minutes of model runtime. The model needs meteorological input, normally netCDF files on a regular pressure, longitude and latitude grid. MPTRAC supports hybrid MPI, OpenMP and OpenACC parallelization, and offers visualization interfaces for Gnuplot and ParaView. It is GPL-3.0 software for Linux, self-hosted and web use; listed pricing includes free.
PetIBM
PetIBM has no write-up on Specifiction yet; its figures are above.