Run LAMMPS in the cloud.
QuickMDSim is a browser workbench for LAMMPS inputs. The project holds the script, data, and potential files. A job returns log.lammps, dumps, and any movie the script wrote. There is no cluster account.
| Binary | LAMMPS 22 Jul 2025, stable update 5, GPL-2.0. Packages: MOLECULE, COLLOID, KSPACE, MANYBODY, DIPOLE. Not compiled: ReaxFF, MEAM, machine-learning potentials. |
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| Compute | Free: 1 core. Paid: 2, 4, 8, or 16. Pro also: 32 or 64, or one NVIDIA L4 (KOKKOS, one MPI rank). Extra cores do not shorten a small system. |
| Billing | Reserved cores × wall time. An L4 second costs 12 CPU-seconds, with a 60-minute cap. 0.5 CPU-hours after email verification. Included hours on paid plans are listed in the app. |
| Scope | Not a script generator, and not a stand-in for a large shared allocation. |