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| | Chemistry - Source Code, Fortran, Languages, Programming, Computers 34
Software - Physics, Science 50
 ABINITABINIT
 Finds the total energy, charge density, and electronic structure of systems made of electrons and nuclei, using pseudopotentials and a plane-wave basis.
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ASADASAD
 Package for creating and integrating chemistry schemes in atmospheric models without the need to write any Fortran code to solve the chemical rate equations. Developed by Dr. Glenn Carver and Dr. Paul Brown (assisted by Dr. Oliver Wild) of the Centre for Atmospheric Science, Cambridge University, UK.
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ASC Center for Astrophysical Thermonuclear FlashesASC Center for Astrophysical Thermonuclear Flashes
 Simulator code for solving nuclear astrophysical problems related to exploding stars. This website contains information about the astrophysics, the code, and related basic physics and computer science efforts.
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ASTEM97 Steam TablesASTEM97 Steam Tables
 By Edward D. Throm, contains routines to provide a wide range of interfaces to the thermodynamic and transport properties. [Commercial]
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AsterixAsterix
 Astronomy codes.
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Astronomical Image Processing System (AIPS)Astronomical Image Processing System (AIPS)
 Software package for calibration, data analysis, image display, plotting, and a variety of ancillary tasks on astronomical data.
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Astronomy Codes from CococubedAstronomy Codes from Cococubed
 By J.D. Maldonado and F.X. Timmes.
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Astrophysics codesAstrophysics codes
 BRUCE and KYLIE are Fortran 77 codes by Rich Townsend which calculate synthetic spectra for stars undergoing non-radial pulsation (NRP). TLUSTY and SYNSPEC are Fortran 77 codes by Ivan Hubeny and Thierry Lanz for calculating synthetic plane-parallel stellar atmospheres and associated spectra, respectively.
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Atmosphere Model CodeAtmosphere Model Code
 Written in Fortran 90.
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Atmospherics physics codeAtmospherics physics code
 Code for a Radiative Transfer Model (RTM), RTM Coefficient Assembly, Infrared Sea Surface Emissivity (IRSSE), EmisCoeff utility, Emissivity utility, Planck functions, Profile utility, SensorInfo utility, SpcCoeff utility, and SRF utility.
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Atomic PhysicsAtomic Physics
 Codes from a course by Walter Johnson. Mod_pot.f determines the parameters in a model potential for an atom with one valence electron. Nrhf.f calculates nonrelativistic Hartree-Fock wave functions for closed-shell atoms.
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Bergen Ocean Model (BOM)Bergen Ocean Model (BOM)
 Fortran 90 code incorporating modern numerical techniques into ocean modeling. Code and documentation can be obtained from the site.
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Car-Parrinello Molecular Dynamics (CPMD)Car-Parrinello Molecular Dynamics (CPMD)
 Plane wave/pseudopotential implementation of Density Functional Theory, particularly designed for ab-initio molecular dynamics. Its first version was developed by Jurg Hutter at IBM Zurich Research Laboratory starting from the original Car-Parrinello codes. Free for non-profit organizations.
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CastepCastep
 Fortran 90 code using density functional theory to provide a good atomic-level description of all manner of materials and molecules. Castep can give information about total energies, forces and stresses on an atomic system, as well as calculating optimum geometries, band structures, and optical spectra. It can also perform molecular dynamics simulations.
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CÆSAR Code PackageCÆSAR Code Package
 Computational physics development environment written in Fortran 90. It provides an environment where the physics of real systems can be modeled, by discretizing a set of partial differential equations on a mesh and solving the resultant algebraic system.
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CERN Program LibraryCERN Program Library
 Large collection of general purpose libraries and modules in Fortran and C developed at CERN, oriented towards the needs of a physics research laboratory: general mathematics, data analysis, and detector simulation.
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CIA Opacities of Various Molecular ComplexesCIA Opacities of Various Molecular Complexes
 Applied to planetary and stellar atmospheres, by Aleksandra Borysow.
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CMBFASTCMBFAST
 Computes cosmic microwave background anisotropy, polarization and matter power spectra.
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Code for Anisotropies in the Microwave Background (CAMB)Code for Anisotropies in the Microwave Background (CAMB)
 Fortran 90 code by Antony Lewis and Antony Challinor.
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Community Climate System Model (CCSM)Community Climate System Model (CCSM)
 Fortran 90 code for climate modelling.
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Computational PhysicsComputational Physics
 Fortran 90 and HPF Programs Related to the Book "An Introduction to Computational Physics", by Tao Pang, Cambridge University Press (1997).
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Computational PhysicsComputational Physics
 Codes from course by David Tomanek.
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Computational Quantum DynamicsComputational Quantum Dynamics
 Fortran 77 programs by Toshiaki Iitaka.
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Computer Simulation Methods in PhysicsComputer Simulation Methods in Physics
 Fortran 90 codes for course taught by Ari Harju.
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Computer Simulation of LiquidsComputer Simulation of Liquids
 Fortran code from the book by M.P. Allen and D. Tildesley.
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Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS)Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS)
 Used operationally by the U.S. Navy for short-term numerical weather prediction for various regions around the world. Parts of the code can be downloaded from the site, with registration.
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CP2K: Atomistic SimulationsCP2K: Atomistic Simulations
 Fortran 95 modules to do atomistic and molecular simulations of solid state, liquid, molecular and biological systems. The methods included range from first principles ab initio density functional methods to parametrised, classical pair- and many-body potentials.
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DDSCATDDSCAT
 Code by Bruce T. Draine to study the scattering and absorption of light by small particles.
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DEGAS 2DEGAS 2
 Monte Carlo code for studying neutral transport in plasmas, with emphasis on fusion applications.
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Delta CodeDelta Code
 Nonlinear aeroelastic solver written in Fortran 90. At the moment only vortex lattice aerodynamics are available, but the hope is for a higher fidelity aerodynamic model to be developed for use in the current code.
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Dimensional GeneratorDimensional Generator
 Fortran code to perform dimensional analysis, by Ron Davis.
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Double-Diffusive Convection Code Using a Pseudo-Spectral MethodDouble-Diffusive Convection Code Using a Pseudo-Spectral Method
 Fortran 77 code illustrating the use of spectral methods to solve a nontrivial hydrodynamics problem.
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DYNAMODYNAMO
 Library of Fortran 90 modules that has been designed for the simulation of molecular systems using molecular mechanical (MM) and hybrid quantum mechanical (QM)/MM potential energy functions.
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EtaEta
 Weather forecasting code in Fortran 90. Source code can be requested from the site.
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EXCITING FP-LAPW CodeEXCITING FP-LAPW Code
 Full-potential linearised augmented-planewave (FP-LAPW) Fortran 90 code. Written mainly at Karl-Franzens-Universität Graz as a milestone of the EXCITING EU Research and Training Network, the code is designed to be as developer friendly as possible so that new developments in the field of density functional theory (DFT) can be added quickly and reliably. The code is freely available under the GNU General Public License.
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Flexible Image Transport System (FITS) Library PackageFlexible Image Transport System (FITS) Library Package
 Performs various useful functions associated with FITS image files.
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Fortran 90 Massively Parallel Source Codes for the Cray T3EFortran 90 Massively Parallel Source Codes for the Cray T3E
 Code for the Ising model by Gyorgy Korniss.
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FreeSRSFreeSRS
 Library of Fortran and Python code to calculate the shock response spectrum.
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GastropodGastropod
 Fortran 90 library of forward and gradient routines for fast radiative transfer calculations for the advanced infrared sounders.
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Gastropod IR RT operatorGastropod IR RT operator
 Fortran 90 library of forward and gradient routines for fast radiative transfer calculations for high spectral resolution infrared satellite sounders.
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General SoftwareGeneral Software
 Fortran and C programs for processing meteorological and oceanographic data from the Scientific Computing Division of the National Center for Atmospheric Research.
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General Utility Lattice Program (GULP)General Utility Lattice Program (GULP)
 Performs a variety of types of simulation on 3D periodic solids, gas phase clusters and isolated defects in a bulk material. In particular GULP is designed to handle both molecular solids and ionic materials through the use of the shell model. One difference between GULP and other similar programs is that symmetry is used for solids to accelerate the calculations and to simplify the input. Freely available to academics only.
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Goddard Institute of Space StudiesGoddard Institute of Space Studies
 Code for climate modeling, radiation, and astrophysics.
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GS2GS2
 Fortran 90 code to study low-frequency turbulence in magnetized plasma.
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HEAPHEAP
 Fortran 90 and High Performance Fortran code implementing nonadaptive and adaptive O(N) hierarchical N-body methods in 3-D for gravitational and electrostatic fields.
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Horizon TechnologiesHorizon Technologies
 Code for properties of fluids, materials, and superconductors.
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HydraHydra
 Adaptive particle-particle, particle-mesh plus smoothed particle hydrodynamics code.
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Hypoinverse2000Hypoinverse2000
 Determines earthquake locations and magnitudes from seismic network data like first-arrival P and S arrival times, amplitudes and coda durations.
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Introduction to Monte Carlo algorithmsIntroduction to Monte Carlo algorithms
 Programs by Werner Krauth for Monte Carlo applied to physics.
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Ising ModelIsing Model
 Fortran 90 program by Hans-Marc Erkinger for Monte Carlo simulation of the Ising model.
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JETNETJETNET
 Neural Network program for jet discrimination and other High Energy Physics triggering situations, by Leif Lonnblad, Carsten Peterson, Hong Pi, and Thorsteinn Rognvaldsson.
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Karlsruhe Optimized and Precise Radiative transfer Algorithm (KOPRA)Karlsruhe Optimized and Precise Radiative transfer Algorithm (KOPRA)
 Fortran 90 code for atmospheric radiative transfer modelling in the mid-infrared spectral range.
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La-Grange.NetLa-Grange.Net
 Has programs from Gaspani for spectral analysis, GENSYS for general synthesis of light curves and line profiles for close binary systems, WINK for eclipsing binary curve prediction, and WUMA for generating line-broadening profiles.
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Light ScatteringLight Scattering
 T-matrix and related codes, by Arturo Quirantes.
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Linear Muffin-Tin Orbital (LMTO) programsLinear Muffin-Tin Orbital (LMTO) programs
 Electronic structure codes of Ole Anderson's group.
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Links to Online SoftwareLinks to Online Software
 Code for Stochastic-Method SIMulation and time series analysis by David M. Boore of the U.S. Geological Survey.
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MangleMangle
 Software to deal accurately and efficiently with complex angular masks of galaxy surveys.
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Materials Algorithm Project (MAP)Materials Algorithm Project (MAP)
 Links to programs in material science, many in Fortran.
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MM5 Community ModelMM5 Community Model
 The PSU/NCAR mesoscale model (known as MM5) is a limited-area, nonhydrostatic, terrain-following sigma-coordinate model designed to simulate or predict mesoscale atmospheric circulation. The model is supported by several pre- and post-processing programs, which are referred to collectively as the MM5 modeling system. The MM5 modeling system software is mostly written in Fortran.
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Molecular dynamics programs in Fortran 90Molecular dynamics programs in Fortran 90
 By Furio Ercolessi.
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NCEP Regional Spectral ModelNCEP Regional Spectral Model
 Limited-area atmospheric model using spectral method for computation, written in Fortran 77.
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Neural F2Neural F2
 Code for a neural network parametrization of deep-inelastic proton, deuteron and non-singlet structure functions.
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Next-to-Leading-Order Quantum Chromodynamics (NLO QCD)Next-to-Leading-Order Quantum Chromodynamics (NLO QCD)
 EVENT2 is a program for two- and three-jet events in e+e- annihilation. DISENT is a program for (1+1)- and (2+1)-jet events in deep inelastic scattering. GBOOK creates line graphs.
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Nucleon-Nucleon Potential ModelsNucleon-Nucleon Potential Models
 Fortran 77, 90, and C codes.
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Numerical Methods for PhysicsNumerical Methods for Physics
 Fortran, Matlab, and C++ codes from by the book by Alejandro L. Garcia.
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Numerical Methods in PhysicsNumerical Methods in Physics
 Fortran 77 and 90 codes by Mladen Rogina, covering ODEs, PDEs, linear algrebra, and other topics.
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OceanModel NetCDF ToolsOceanModel 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.
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OctopusOctopus
 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.
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PARAllel Total Energy Code (Paratec)PARAllel Total Energy Code (Paratec)
 Materials science total energy planewave pseudopotential Fortran 90 code, by Andrew Canning.
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Parallel Total Energy (PEtot)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.
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Parameterized Ionospheric Model (PIM)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.
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Particle PhysicsParticle 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
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Parton Distribution Functions (High Energy Physics)Parton Distribution Functions (High Energy Physics)
 Code for CTEQ, GRV, MRS, and ALEKHIN distributions.
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Pencil CodePencil 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.
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Physics Projects from the Technions, OpticsPhysics Projects from the Technions, Optics
 Several are implemented in Fortran.
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PHYSUNITSPHYSUNITS
 Fortran 90 code to check Physical Units and Dimensions, by Grant W. Petty, professor of Atmospheric and Oceanic Sciences.
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Plane-Wave Self-Consistent Field (PWscf)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.
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Quantum Monte CarloQuantum Monte Carlo
 Uses the Hirsch-Fye algorithm, implements methods in the paper "Dynamical Mean-Field Theory of Strongly Correlated Fermion Systems".
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Radiative Corrections HelpdeskRadiative Corrections Helpdesk
 Programs to compute radiative corrections in inclusive, semiexclusive and exclusive electron scattering.
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Single Crystal and Powder DiffractionSingle Crystal and Powder Diffraction
 Many Fortran codes -- search for "fortran" on site.
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Soft Matter SimulationsSoft Matter Simulations
 Codes from research presented at a conference on the subject.
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Solar Activity & Heliospheric DynamicsSolar 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.
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Spectra CodeSpectra Code
 Red-Green-Blue values for the visible wavelength, by Dan Bruton.
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SPHEREPACK 3.1: A Model Development FacilitySPHEREPACK 3.1: A Model Development Facility
 Collection of Fortran programs to facilitate computer modeling of geophysical processes. The package contains programs for computing certain common differential operators, including divergence, vorticity, gradients, and the Laplacian of both scalar and vector functions.
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Supersymmetric Phenomenology (SPheno)Supersymmetric Phenomenology (SPheno)
 Calculates the SUSY spectrum using low energy data and a user supplied high scale model as input. The spectrum is used to calculate two- and three body decay modes of supersymmetric particle as well as of Higgs bosons. By Werner Porod.
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Surface Meteorology Data Center (COARE-MET)Surface Meteorology Data Center (COARE-MET)
 Codes to calculate bulk fluxes for the Coupled Ocean Atmosphere Response Experiment.
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Teaching Fortran to Physics MajorsTeaching Fortran to Physics Majors
 Codes by Aleksandar Donev and Phillip Duxbury for course.
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TfMin: Minimum time orbit transferTfMin: Minimum time orbit transfer
 A Fortran and MATLAB package designed for the numerical solution of continuous 3D minimum time orbit transfer around the Earth.
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Tight-Binding Molecular DynamicsTight-Binding Molecular Dynamics
 Developed under the auspices of the Department of Defense High Performance Computing Modernization Program.
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Trace gas, aerosol, cloud and climate modelers codeTrace gas, aerosol, cloud and climate modelers code
 By Charlie Zender, professor of Earth System Science.
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TreecodesTreecodes
 Fortran 90 code by Daniel Reinganum program to evolve a self-gravitating N-body system, using a hierarchical O(N log N) algorithm to compute gravitational forces.
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TYPHONTYPHON
 Computational Fluid Dynamics solver aimed to solve multi-physics problems with unstructured finite volume methods will be able to use dynamical refinement and MPI-based parallel processing (Fortran-90-based, uses BLAS, LAPACK, CGNS libraries).
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Vanderbilt Ultra-Soft PseudopotentialVanderbilt Ultra-Soft Pseudopotential
 Generates pseudopotentials for many elements.
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Versatile Advection Code (VAC)Versatile Advection Code (VAC)
 A general software package in Perl and Fortran 90 for hydro- and magnetohydrodynamics. Developed as part of the Massively Parallel Programming, Computational Magneto-Fluid Dynamics project.
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Vienna Ab-Initio Simulation Package (VASP)Vienna Ab-Initio Simulation Package (VASP)
 Performs ab-initio quantum-mechanical molecular dynamics (MD) using pseudopotentials and a plane wave basis set. The approach implemented in VAMP/VASP is based on a finite-temperature local-density approximation (with the free energy as variational quantity) and an exact evaluation of the instantaneous electronic ground state at each MD-step using efficient matrix diagonalization schemes and an efficient Pulay mixing.
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Visualization: Understanding ScienceVisualization: Understanding Science
 Exhibit on visualization of concepts from high school physics. The scientific data is generated on a UNIX workstation by a Fortran 90 program (provided at the site) and then exported to an Apple Macintosh.
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Weather Research and Forecasting ModelWeather Research and Forecasting Model
 Fortran 95 code for real-time weather forecasts.
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WHIZARDWHIZARD
 Generic Monte-Carlo generator written in Fortran 95 by Wolfgang Kilian for multi-particle processes at high-energy colliders.
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World Ocean Circulation ExperimentWorld Ocean Circulation Experiment
 Code to read NetCDF, convert the minute timestamp from ship data provided by WOCE-MET back into a standard year/month/day/hour/minute time, convert a standard year/month/day/hour/minute time into the minute timestamp from ship data provided by WOCE-MET, and compute meteorological true winds.
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