Numerical Methods in Physics
Fortran 77 and 90 codes by Mladen Rogina, covering ODEs, PDEs, linear algrebra, and other topics.
OceanModel NetCDF Tools
Fortran tools to write standardized NetCDF output for a variety of ocean circulation models. The files contain required metadata to be compatible with DMACS standards. A C++ particle trajectory tool reads NetCDF files to make particle paths.
Octopus
Fortran 90 program for ab initio virtual experimentation on a range of systems. Electrons are described quantum-mechanically within the Density-Functional Theory (DFT), in its time-dependent form (TDDFT) when doing simulations in time. Nuclei are described classically as point particles. Electron-nucleus interaction is described within the pseudopotential approximation.
PARAllel Total Energy Code (Paratec)
Materials science total energy planewave pseudopotential Fortran 90 code, by Andrew Canning.
Parallel Total Energy (PEtot)
Parallel plane wave pseudopotential program for atomistic total energy calculation based on density functional theory. It is designed for large system simulations to be run on large parallel computers like Cray T3E and IBM SP machines at NERSC. It is developed under U.S. Department of Energy fundings and it is a freely distributed public source code.
Parameterized Ionospheric Model (PIM)
Fast global ionospheric and plasmaspheric model based on a combination of the parameterized output of several regional theoretical ionosphere models and an empirical plasmaspheric model.
Particle Physics
LPOTT: Pion-Nucleus Scattering; PiN: Chiral Color Dielectric Quark Model for pi-Nucleon Interactions; and LPOTp: Polarized Proton Scattering from Polarized Nuclei, in Parallel, by Rubin Landau
Parton Distribution Functions (High Energy Physics)
Code for CTEQ, GRV, MRS, and ALEKHIN distributions.
Pencil Code
High-order finite-difference Fortran 90 code for compressible hydrodynamic flows with magnetic fields. It is highly modular and can easily be adapted to different types of problems. The code runs efficiently under MPI on massively parallel shared- or distributed-memory computers, like e.g. large Beowulf clusters.
Physics Projects from the Technions, Optics
Several are implemented in Fortran.
PHYSUNITS
Fortran 90 code to check Physical Units and Dimensions, by Grant W. Petty, professor of Atmospheric & Oceanic Sciences.
Plane-Wave Self-Consistent Field (PWscf)
Programs for electronic structure calculations within Density-Functional Theory and Density-Functional Perturbation Theory, using a Plane-Wave basis set and pseudopotentials. PWscf is released under the GNU General Public License.
Portable University Model of the Atmosphere (PUMA)
Fortran 90 code of Frank Lunkeit and Edilbert Kirk.
Quantum Monte Carlo
Uses the Hirsch-Fye algorithm, implements methods in the paper "Dynamical Mean-Field Theory of Strongly Correlated Fermion Systems".
Radiative Corrections Helpdesk
Programs to compute radiative corrections in inclusive, semiexclusive and exclusive electron scattering.
Single Crystal and Powder Diffraction
Many Fortran codes -- search for "fortran" on site.
Soft Matter Simulations
Codes from research presented at a conference on the subject.
SOLApack
Fortran 77 code by Rasmus Munk Larsen that implements the subtractive optimally localized averages (SOLA) inversion algorithm. The current version of SOLApack is specifically written to infer the symmetric component of the 2-d solar rotation rate from measured rotational frequency splittings of the eigenmodes of global solar oscillation.
Solar Activity & Heliospheric Dynamics
FCTMHD3D solves magnetohydrodynamics problems in three spatial dimensions, using positivity- and monotonicity-preserving FCT techniques in a finite-volume representation. CRUNCH3D-T3D and CRUNCH3D-T3E are high-performance codes for solving the viscoresistive equations of dissipative MHD, using high-fidelity Fourier collocation techniques. LCPFCT2 and MHDFCT2 solve the generalized continuity and hydromagnetic equations of hydrodynamics and MHD in two spatial dimensions, using FCT techniques.
Spectra Code
Red-Green-Blue values for the visible wavelength, by Dan Bruton.
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