Search Results for "method"
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Showing 49 open source projects for "method"
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Fosite - advection problem solver
numerical simulation code for solving transport equations in 1D/2D/3D
Fosite is a generic framework for the numerical solution of hyperbolic conservation laws in generalized orthogonal coordinates. Its main purpose is the simulation of compressible flows in accretion disks. The underlying numerical solution method belongs to the family of unsplit conservative finite volume TVD schemes. The method is 2nd order accurate in space and uses high order Runge-Kutta and multistep schemes for time evolution. In addition to the pure advection code several source terms have been implemented including viscous diffusion and gravitational acceleration. ... -
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ransfoil
console to calculate airflow around an airfoil based on RANS approach
RANSFOIL is a console program to calculate airflow field around an isolated airfoil in low-speed, subsonic, transonic or supersonic regime by numerically solving the Reynolds averaged Navier-Stokes (RANS) equations using mature computational fluid dynamics (CFD) method. As postprocess results, the aerodynamic parameters of the airfoil, e.g., lift coefficient and drag coefficient, can be integrated from the airflow distribution near wall boundary. In addition, the coupling between airflow and heat transfer and the effect of surface roughness on near wall flow are considered by this program, it can be used for engineering calculation of the friction drag and heat transfer coefficients on airfoil surface. ... -
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Library for ion optics, plasma extraction and space charge dominated ion beam transport.
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XISMuS
X-Ray Imaging Software for Multiple Samples
...IMPORTANT FIXES in respect to base v2.0.0 version: v.2.5.0 introduces the Differential Attenuation and Cube Viewer utilities, and migrates user database to *.json files v2.4.3 fixes a with K element in the fit-approx method v2.4.3 fixes and issue where saving plots with fit-approx or a auto-wizard could freeze the software v2.4.2 introduces Image Viewer to Mosaic v2.4.1 fixes an issue in merging H5 or EDF datasets with Mosaic Full changelog at https://linssab.github.io/history X-Ray Fluorescence Imaging Software for Multiple Samples is an open source software to manipulate and study macro-X-Ray Fluorescence (MA-XRF) datasets. ... -
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F3DM
Finite Element Method on 3D Meshes
f3dmlib is a FEM library that can read, write and analyse 3D tetrahedral meshes, minimize a given functional, and refine the resulting meshes. The minimization is parallelized with OpenMP. Three main features in unstable 1.8.x version (available via GIT): quadratic elements, periodic boundary conditions, and the solver for scalar and electromagnetic wave equations. f3dmgeom is a collection of a few simple tools for creating surface meshes for tetgen. It can handle simple geometries only. -
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datasw
datasw, a tool for rapid processing of HPLC-SAXS data.
Small-angle X-ray scattering (SAXS) in solution is a common low-resolution method which can efficiently complement high-resolution information obtained by crystallography or NMR. Sample monodispersity is key to reliable SAXS data interpretation and model building. Beamline setups with inline high-performance liquid chromatography (HPLC) are particularly useful for accurate profiling of heterogeneous samples. The program DATASW performs averaging of individual data frames from HPLC-SAXS experiment using a sliding window of a user-specified size, calculates overall parameters (I(0), Rg, Dmax and MW) and predicts the folding state (folded/unfolded) of the sample. ... -
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RAtom
solves nonlinear Kohn-Sham equation for the neutral atom.
RAtom solves nonlinear Kohn-Sham equation for the neutral atom. The adaptive algorithm based on finite element method (FEM) is implemented. Discretization of the differential eigenvalue problem is done by finite element method with Lobatto polynomials as a basis functions. High order Gauss quadratures are applied in order to obtain the total energy of atom with absolut accuracy of 1E-6 hartree. Disctretization leads to generalized eigenvalue problem, which is solved by procedures from LAPACK libraries. ... -
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GQGMC
Driver for GQ LLC GMC-300 Geiger Counter
GQGMC is a user level driver for interfacing a Linux host to GQ Electronic's GMC-300 geiger-muller counter. Written in C++, the driver provides an interface method for each of the capabilities of the GMC-300. A sample command line text only program and sample Qt based GUI program are provided. -
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RSchr-5
Solves one-electron Schrödinger equation, with SLEPc and PETSc
...The solved problem is defined on the finite domain, which is a box. The problem is solved with the zero Dirichlet boundary conditions. The implemented algorithm uses Finite Element Method with B-splines as basis functions. Disctretization leads to generalized eigenvalue problem. Program RSchr-5 solves the generalized eigenvalue problem by algorithms implemented in SLEPc amd PETSc libraries. It uses Krylov-Schur algorithm from SLEPc library. The program is implemented in C++. The implementation is based on Message Passing Interface (MPI). -
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An Octave / LUA scripting language project dedicated to modeling electric motors inside the "Finite Element Method Magnetics" (FEMM) 2-D simulation program. Created to design a motor that fits inside a car wheel, experimenting in many degrees of freedo
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A spectral element method for 2D wave propagation and fracture dynamics, with emphasis on computational seismology and earthquake source dynamics.
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DEVSIM
TCAD Device Simulator
TCAD Device Simulator. DEVSIM is a semiconductor device simulation software, using the finite volume method. This software solves partial differential equations on a mesh. The Python interface allows the user to specify their own equations. -
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...Python implementation is more versatile (2D and 3D data). * a Leica file reader, * Steindhard bond orientational order calculation * a VTK file writer 1. Leocmach, M. & Tanaka, H. A novel particle tracking method with individual particle size measurement and its application to ordering in glassy hard sphere colloids. Soft Matter 9, 1447–1457 (2013). https://dx.doi.org/10.1039/C2SM27107A (http://arxiv.org/pdf/1301.7237.pdf)
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Muninn
A software package for estimating generalized ensemble weights in Mark
...The SourceForge page will preserved, with the old releases. Muninn is a software package for estimating generalized ensemble weights in Markov chain Monte Carlo (MCMC) simulations. The method is full automated and makes use of the generalized multihistogram (GMH) equations for estimation the density of states [1]. The package is implemented in C++ and has a convenient interface. -
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YAFEMS
Yet Another Finite Element Method Solver
YAFEMS (Yet Another Finite Element Method Solver) is a FEM solver for Linux and WIndows that reads a MED mesh file produced by Salome (http://www.salome-platform.org/) with certain groups created into the mesh, and with the help of an input text file (.yaf), performs a 3D or 2D plane stress or plane strain analysis and creates results in plain text format and in MED format. -
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The Moving Finite Elements project hosts a collection of simulation codes for time-dependent PDE systems that implement various forms of Keith Miller's gradient-weighted moving finite element (GWMFE) method. The Calliope sub-project aims to provide new reference implementations in modern object-oriented Fortran. Click on the Calliope tab on the main project menu bar.
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potfit
potfit force-matching code
The potfit code uses the force-matching method to generate effective potentials from ab-initio reference data. -
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An optimized C library for numerically solving exterior ballistics problems. It supports standard drag models (Drag Functions G1-G8). The solution method is the common "3 degree of freedom" analysis found in many commercial programs.
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pivonvideo
Toolchain automating PIV analysis of video
Particle image velocimetry (PIV) is an optical method of flow visualization. pivonvideo combine together several tools to automatize PIV analysis of whole video extracts, performing image extraction, transformation, analysis and result visualization. -
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Discrete Dipole Aproximation Project
Plugin orientated Discrete Dipole Approximation (DDA) Solver
Discrete Dipole Approximation Project, is a software package designed to solve the Discrete Dipole Problem by the Discrete Dipole Approximation (DDA) method. This software is desgined to be plugin operated allowing for easy implimincation of new solver methods to improve the efficienty of the code. The plugin support also allow the program to write its output in multiple formats and structures defined by plugins. -
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Nuclei
Feature rich GUI for nuclear decay schemes
Nuclei is a software tool for the displaying of nuclear decay schemes and estimated energy spectra, the calculation of angular γ emission anisotropies, and the automated search for appropriate decay cascade properties. It uses the Evaluated Nuclear Structure Data Files (ENSDF). A description of Nuclei's functionality and results obtained using its search method was published in Nuclear Instruments and Methods in Physics Research, Section A: M. Nagl, et al., NIM A 726 (2013), 17-30 [doi:10.1016/j.nima.2013.05.045] ------------------------- © 2012-2013, Matthias Nagl, II. Physikalisches Institut, Georg-August-Universität Göttingen http://physik2.uni-goettingen.de/research/2_hofs ------------------------- -
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RaTrav
mean first passage times and node occupancies calculations
...Two methods are made available for which their efficiency is strongly dependent on the topology of the defined network: the combinatorial Hill technique and the Monte Carlo simulation method. References: M. Torchala, P. Chelminiak, M. Kurzynski and P. A. Bates, 'RaTrav: a tool for calculating mean first-passage times on biochemical networks', BMC Syst. Biol. 7, 130 (2013). M. Torchala, P. Chelminiak and P. A. Bates, 'Mean first-passage time calculations: comparison of the deterministic Hill's algorithm with Monte Carlo simulations', Eur. ... -
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The parallelized FDTD Schrodinger Solver implements a parallel algorithm for solving the time-independent 3d Schrodinger equation using the finite difference time domain (FDTD) method. See the Hosted Apps > MediaWiki menu item for more information.
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qxcavate
Reciprocal Space Mapping of X-Ray Diffraction Data
Reciprocal Space Mapping of X-Ray Diffraction Data taken with 2 dimensional detectors using the rotation method -
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lagrange_simulation_mechanics
simulations with Lagrangian method,both symbolic and by numeric deriv
alleged to the video 'tutorial' "the Mechanics and its Simulation". Simulation with Lagrangian method, both symbolic, and by numerical derivation. All well-grouped in folders. there is also a 'review' in 3 demos of the Newtonian dynamics: mass-spring systems. most of progs are written in C, with use of SDL lib to display simple graphics and have real-time interactivity. As to programming complexity, it's very simple... this all aims at classical physics simulation in a simple but efficient way. ...
