Scattering

The Gaussian Wave Packet: Step Scattering model simulates the time evolution of a free Gaussian wave packet in position space when it is incident on a potential energy step. The position-space wave functions are depicted using three colors on the graph: black which depicts the absolute square of...

The Plane Wave: Step Scattering model simulates the time evolution of a free-particle plane wave in position space when it is incident on a potential energy step. The position-space wave functions are depicted using three colors on the graph: black depicting the absolute square of the wave...

The Ejs Newtonian Scattering model displays the gravitational scattering of a multiple masses incident on a target mass. The simulation displays the motion of the smaller. The number of particles and their initial spread, the gravitational constant, and the target mass's radius can be changed via...


Platforms: Mac

FORTRAN code provided in Xingguo Pan's 2002 dissertation entitled "Coherent Rayleigh-Brillouin Scattering" was converted to .m and is provided here. Both s6 and s7 models are provided. The code is validated


Platforms: Matlab

Certain electromagnetic scattering problems have analytical solutions. In the cylindrical coordinate, the solutions are expressed in the series form of the products of the Bessel functions and exponential functions. This package contains the code that implements the field solutions asa) a...


Platforms: Matlab

The Step Barrier Scattering model shows a quantum mechanical experiment in which an incident wave (particle) traveling from the left is transmitted and reflected from a potential step at x=0. Although the analytic solution to this standard problem is well known, its visualization shows how the...


Platforms: Mac

The Ejs Dirac Delta Scattering model displays the time evolution of a plane wave incident on a Dirac delta function barrier. The default wave function shows a right-moving plane wave incident on the barrier. The energy of the wave function can be changed with the slider. You can modify this...


Platforms: Mac

Software developed to perform electromagnetic scattering simulations mainly based on classical Mie theory solution. ScatLab Features: scattered intensity polar diagrams for coated and uncoated spherical particles; scattered intensity versus theta graphs for coated and uncoated spherical...


Platforms: Windows

McStas project is a general tool for simulating neutron scattering instruments. McStas is a computer program (written in C) that enables you to model very precisely a neutron instrument described as a series of various components. A source component shoots each neutron randomly (Monte-Carlo),...


Platforms: *nix

cstodconverter is a specially designed utility that uses particle scattering data to convert a particle's scattering cross section to a diameter. This is usually non-trivial because scattering cross section is a nonlinear and non-monotonic function of diameter. The software is targetted at...


Platforms: Windows

the program simulates the scattering of 1GHz electromagnetic wave by the cylindrical object. the program is written for 2D simulation, with suitable modification, the program can be implemented to 3D problem


Platforms: Matlab

This release contains SoundSim's 2.5D Acoustic Simulation Core and two sample MATLAB scripts to simulate a 5MHz tone burst scattering from an air bubble and an oil droplet suspended in water. See the included PDF for more information about the example simulations.This is an early release of...


Platforms: Matlab

This function calculates radar cross section (RCS) of the scattering of a object using mie theory.Its accuracy is tested.


Platforms: Matlab

The code caculates the time-harmonic scattered field value at point 'cart'due to a PEC ball with radius R centered at the origin. The incident wave is E_x=exp(-ikz) (E_y=E_z=0).The formulation is based on H.C. van de Hulst, P123 'light scattering by small particles', Dover, 1981


Platforms: Matlab

The purpose of this code is to compute the value of Chandrasekhar's H function (sometimes called Ambartsumian's or Busbridge's H function) used in many diffuse reflectance and atmospheric/stellar light scattering and emission calculations. The method for performing the calculation are used here...


Platforms: Matlab

Density Effects When organism densities are very high, multiple scattering (echoes that have scattered off multiple individuals before returning to the transducer) and shadowing have non-linear effects on the summation of echoes within a sampling volume (MacLennan 1990, Toresen 1991). The...


Platforms: Mac

How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core.


Platforms: Mac

Save Emma???*a*?s grandfather who has accidentally trapped himself in a mysterious void in Emma and the Inventor! After completing his greatest invention ever, Grandfather Jenkin???*a*?s mysterious machine sends him to an alternate dimension and explodes, scattering the pieces all over his home....


Platforms: Mac

Mitsuba is an extensible rendering framework written in portable C++. It implements unbiased as well as biased techniques and contains heavy optimizations targeted towards current CPU architectures. The program currently runs on Linux, MacOS X and Microsoft Windows and makes use of SSE2...


Platforms: Mac

ScattPy is an open source Python package for light scattering simulations. Its goal is to provide an easy-to-use and flexible modern framework for the numerical solving of the diffraction problems with various kinds of particles. With the current version of ScattPy [1] it is possible to...


Platforms: *nix