Search Results for "wave propagation simulations"
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Showing 26 open source projects for "wave propagation simulations"
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101-0250-00
ETH course - Solving PDEs in parallel on GPUs
This course aims to cover state-of-the-art methods in modern parallel Graphical Processing Unit (GPU) computing, supercomputing and code development with applications to natural sciences and engineering. -
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WSJT
Weak signal ham radio communication
The WSJT project implements software for amateur radio communication using state-of-the-art digital techniques. Typical applications involve "DXing" at LF, MF, HF, and VHF+ frequencies, including meteor scatter and EME ("moonbounce"). Major emphasis is placed on weak-signal techniques. Summary Program Descriptions: WSJT-X supports the communication protocols FST4, FT4, FT8, JT4, JT9, JT65, Q65, MSK144, WSPR, FST4W, and Echo, each optimized for different sorts of radio-wave propagation... -
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A Matlab/Octave toolbox to design, simulate, and analyze optical communication systems. Open-source, fast, user-friendly, and customizable, it includes cutting-edge solutions for modulation formats generation, performance estimation, optical fiber propagation. See more at https://optilux.sourceforge.io.
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NESSIE is a modern first-principle calculation software that can adequately address the need for ever-higher levels of numerical accuracy and high-performance in large-scale electronic structure simulations, as well as pioneer the fundamental study of quantum many-body effects in a large number of emerging nanomaterials. NESSIE is an electronic structure code that uses a real-space FEM discretization and domain-decomposition (DD) to perform all-electron ground-state DFT and real-time excited...
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GeoHammerToolbox
Digital Signal Processing and Wave Field Propagation
Integration of multithread calculation and 2D/3D visualization -
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Rocstar Multiphysics Application
Parallel coupled multiphysics simulation application
Rocstar is a multiphysics simulation application designed to do fluid-structure interaction (FSI) across moving, reacting interfaces. Rocstar couples multiple domain-specific simulation packages and disparately discretized domains and provides several simulation-supporting services including conservative and accurate data transfer, surface propagation, and parallel I/O. Rocstar is MPI parallel and routinely executes large simulations on massively parallel platforms. Rocstar was originally... -
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Nonlinear Schrödinger equation (NSE) is a fundamental equation in nonlinear optics that describes the propagation of a pulse through a dispersive and nonlinear medium. Nonlinear Pulse Propagation Solver (NPP) is a program, written in C/C++, that solves NSE in an arbitrary waveguide. It has a user friendly interface, which allows a user to enter the pulse and waveguide parameters and execute simulations. The program can be invoked within MATLAB and any other scripting language. It can export...
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Acoustic Research Tool (ART)
Acoustic Simulation Library for Frequency and Time Domain Simulations.
ART is a flexible simulation framework for wind instruments. It includes a growing library of modelling elements. So far bore discontinuities, branches, tone holes, cylindrical and conical tubes, Bessel horns and bent tubes are available for frequency domain modelling. In the time domain generic bidirectional propagation elements, scattering elements, fractional delays, convolution with reflection functions and general z-domain networks are available and can be described using MuParserX... -
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X-rays wave propagation
Simulation of X-rays wave propagation through lenses and air
The codes of subprograms in C, which simulate the X-rays wave propagation through berillium lenses and air. This program is necessary to calculate of X-rays wave focusing by X-ray microscope. The calculation is based on numerical solution of equation for a complex phase of the wave. -
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TransportCR
Tool for Numerical Simulations of Cosmic Rays Propagation
TransportCR is the tool for numerical simulation of cosmic rays propagation based on solution of transport equations. -
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ECOM
Axisymmetric MHD equilibria via Conformal Mapping
ECOM (Equilibrium solver via COnformal Mapping) is a fast and accurate fixed boundary solver for toroidally axisymmetric magnetohydrodynamic equilibria with or without a toroidal flow. ECOM has been developed to provide equilibrium quantities and details of the flux contour geometry as inputs to stability, wave propagation and transport codes. The details of the code is described in [Lee and Cerfon, Computer Physics Communications 190 (2015) 72] -
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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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STARucn
Monte-Carlo simulation for ultra-cold neutrons
STARucn (Simulation of Transmission, Absorption and Reflection of ultracold neutrons) is a Monte-Carlo software designed to simulate experimental setups and guides for ultra cold neutrons. It relies heavily on CERN's ROOT packages. Developing team : Benoit Clément, LPSC/UJF Damien Roulier, ILL/UJF -
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KEMP
A FDTD solver for electromagnetic wave simulations on a GPU cluster
KEMP is a fast FDTD solver on a GPU-based cluster. The FDTD (Finite-Difference Time-Domain) method is a popular numerical method for electromagnetic field simulations. KEMP enables hardware accelerations suitable for multi-GPU, multi-core CPU and GPU cluster. KEMP also provide easy configuration by using Python scripting language. -
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Cerebellum Granule Neuron model
This is a detailed NEURON Model for a cerebellum granule cell.
A detailed multicompartmental model was used to study neuronal electroresponsiveness of cerebellar granule cells in rats. Here we show that, in cerebellar granule cells, Na+ channels are enriched in the axon, especially in the hillock, but almost absent from soma and dendrites. Numerical simulations indicated that granule cells have a compact electrotonic structure allowing EPSPs to diffuse with little attenuation from dendrites to axon. The spike arose almost simultaneously along the whole... -
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Acoustic FDTD Solver (AC2D) -- is a software to simulate acoustic wave propagation in two dimensions based on the finite-difference time-domain (FDTD) method.
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InterferenceSimulator
Demonstrates quantal two-slit Fresnel interference patterns.
InterferenceSimulator is a program demonstrating quantal two-slit Fresnel interference patterns with one, the other, or both slits open. A magnetic flux situated between the two slits allows demonstration of the Aharonov–Bohm effect. Simulations with short de Broglie wavelengths illustrate the classical limit of quantum mechanics. Because of the universality of wave phenomena, this program can also demonstrate the geometrical-optics limit of wave optics for small wavelengths. -
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NEGF Nanoscale Thermoelectric Simulator
Electrical and thermal quantum simulations of 1D nanoscale materials.
This code simulates the 1D coupled transport in nanoscale materials. Both the electrical and thermal transport are simulated using a Non-equilibrium Green's function (NEGF) to solve the wave equation. The models handle the electron-phonon, electron-electron, and phonon-phonon interactions. The electrical model is a 1D effective mass description and the thermal model is a 1D atomistic description. This code was specifically designed to investigate nanoscale thermoelectrics. More specifically... -
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Seismic Duck
Geophysics game
Graphical oil exploration game that teaches reflection seismology. Includes parallel two-dimensional FDTD simulation of seismic wave propagation. Uses Perfectly Matched Layer method at boundaries. Includes simple reservoir model. Windows installer available at http://www.blonzonics.us/games/seismic-duck . -
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wavefront
2D Finite Element Analysis for Acoustics
Wavefront is a programme for simulating 2D acoustic systems, with a particular emphasis on determining wavefront shapes at the mouths of horns. It accepts CAD drawings in DXF format and produces animated displays of wave propagation as well as exporting various data as text files. It is GPL software and runns on Linux and Windows. -
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Electromagnetic cloaking
This Matlab code simulates the electromagnetic cloaking
... choose from them arbitrarily. Additionally an Animation.m file is attached, which can animate one period of the wave propagation in steady-state. -
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QDeblend3D is a dedicated software tool for the deblending of QSO and host galaxy emission in 3D datacubes obtained with optical IFU spectrographs. The GUI allows to control the process and to visualize the results with an integrated cube viewer.
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ECMMon-R
Epidemiologic Compartmental Modeling Monad in R
This package has implementations of epidemiologic compartmental models modified to fit better simulations of propagation of COVID-19. Core models Here are the core (single-site) models SIR “Susceptible, Infected, Recovered” populations SEIR “Susceptible, Exposed, Infected, Recovered” populations SEI2R “Susceptible, Exposed, Infected two, Recovered” populations SEI2HR “Susceptible, Exposed, Infected two, Hospitalized, Recovered” populations SEI2HREcon “Susceptible, Exposed, Infected two... -
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SEMSolve
A Spectral Element Solver for Structural Health Monitoring Application
A solver based on the spectral element method, used in conjunction with FEMAP, as a pre- and post- processor. It solves the elastic wave propagation problem, and the coupling with a piezoelectric materials for excitation and sensing. It is currently in 2D and has both static and transient capabilities.