Walking In A Winter Wonderland

SimPowerSystems(SPS) and Simscape are used to calculate losses in a 3-phase, 3-level inverter.From a +/- 1800 volts DC source, a 400-kW, 3-phase 3-level inverter delivers variable power to adistribution power system. The inverter output is connected to the 25-kV, 40 MVA, 50-Hz systemthrough a...

Basic GUI for Beam Propagation Method for advancing gaussian beam in a profiled medium.It can be used to demonstarate the concept of beam propagation.Any comment will be welcomed.

13 in a dozen db class can be used to access MySQL database servers and display query results in HTML tables.13 in a dozen db class can establish database connections to a given MySQL host, retrieve server database information, execute SQL queries, retrieve the inserted identifier by the last...


Platforms: PHP

Opens all external links (starting with "http://" or "https://") in a separate browser window. The plugin produces XHTML Strict compliant code and is also search engine optimized (SEO).This is done using the javascript:window.open()-function.Most other plugins perform a hack by altering the...


Platforms: PHP

This plugin allows you to dynamically return the number of posts in a particular category. Inserting [catcountposts cat="category-slug"] in a post or page, or anywhere in your code will return the number of posts in that particular category.Useful for creating dynamic table of contents pages,...


Platforms: PHP

The Ejs Resonance in a Driven String model displays the displacement of taut string with its right end fixed while the left end is driven sinusoidally. The driving frequency, amplitude, and the simulation's dt can be changed via text boxes and the motion can be further fine tuned by zooming in...


Platforms: Mac

The Ejs Standing Waves in a Pipe model displays the displacement and pressure waves for a standing wave in a pipe. The pipe can be closed on both ends, on one end, or open on both ends. The number of nodes in the standing waves can be changed via a slider. You can modify this simulation if you...


Platforms: Mac

Learn about the physics of resistance in a wire. Change its resistivity, length, and area to see how they affect the wire's resistance. The sizes of the symbols in the equation change along with the diagram of a wire.


Platforms: Mac

The Ball in a Wedge model displays a ball confined to move between two walls that form a wedge shape. The ball undergoes elastic collisions with the walls of the wedge. The angle of the wedge can be changed by setting the angle with the text box or dragging one of the wedge walls. By clicking in...


Platforms: Mac

Wiki in a Jar is a small (one jar file, Why? To reveal the power of plain text. Plain text files can be opened with almost any editor and by keeping the markup simple it is very easy to transform the content to any other desired format even after years, when the original editor is not available...


Platforms: Mac

Hubble in a bottle! is a scientific visualization tool for TIPSY files with plenty of optimizations (3dnow for AMD and SSE for Intel processors) and the ability to run on large supercomputer clusters using the MPI library. The model can be rotated intuitively using quaternions and in real time...


Platforms: *nix

Charming screensaver Snowfall Fantasy takes you into the magical land of the white snow and beautiful winter landscape. You will find yourself in a winter kingdom, where there is a snowfall of light fluffy snowflakes. This screensaver is actual during Christmas, New Year and winter holidays. It...


Platforms: Windows, Windows 7

Winter scene nature animated 3D screensaver: Enjoy the look and sound of the winter holidays with a realistic 3D motion-and-sound performance. Relax with tastefully picked original music or customize the sound with your own collection. Winter Wonderland creates a perfect environment for...


Platforms: Windows

The wolf has always been an animal that arouses suspicion in humans. Its howling and its solitary ways are usually scenes of fear, but the reality is that it is the origin of the domestic dog, and serious danger of extinction.In this illustration you can see the better side, one of epic and...


Platforms: Windows

savemultfigs allows one to save all opened figures using a nice user interface and in several formats in one time. No need to save all figures one-by-one anymore!The following features are available:- Select which figures to save in a click- Name each figure independently- Save the same figures...


Platforms: Matlab

This is a simple plugin which lets you know in words, roughly how long its been since a post was posted. Its based on the amount of time in seconds since the post was made.Simply use to display the date in your theme.The following messages are displayed according to how long its been since the...


Platforms: PHP

A Simple Game of Strategy for when you need a break. The aim of the game is to get 4 of your piece in a row before the computer does but that is sometimes easier said then done.


Platforms: Windows

Atom in a Box is an application that aids in visualizing the Hydrogenic atomic orbitals, a prime and otherwise unwieldy example of quantum mechanics. Unlike other tools in this category, this program raytraces through a three-dimensional cloud density that represents the wavefunction's...


Platforms: Mac

Newton number (also called the drag coefficient) and Archimedes number are plotted versus the Reynolds number for the laminar, transition and turbulent flow types using a log-log scale. A numerical example of the terminal fall velocity computation of a single spherical particle in a Newtonian...


Platforms: JavaScript

LU Decomposition is applied to a sparse banded matrix. We show how fill-ins can make solution by elimination not manageable. The same matrix is used to solve the Poiseuille flow problem in a rectangular channel using the finite differences approach. The result obtained using this numerical...


Platforms: Matlab