What is (one of) the hardest thing about astronomy? Sometimes problems that leaves astronomers scratching their heads are more mundane than you expected! An old professor told me once: the bane of astronomy is that we can only see two dimensional projections of an inherently three dimensional universe. What does this mean? Since we are stuck…
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3D Cassiopeia | 3D Goggles for Telescopes | 3dcassiopeia.wordpress.com Reviews
https://3dcassiopeia.wordpress.com
What is (one of) the hardest thing about astronomy? Sometimes problems that leaves astronomers scratching their heads are more mundane than you expected! An old professor told me once: the bane of astronomy is that we can only see two dimensional projections of an inherently three dimensional universe. What does this mean? Since we are stuck…
3dcassiopeia.wordpress.com
The Third Dimension | 3D Cassiopeia
https://3dcassiopeia.wordpress.com/the-third-dimension
3D Goggles for Telescopes. How do we convert velocity into distance? Imagine an explosion in space. Since there is little friction in space, the explosion will expand freely from its center into a sphere of ever increasing size. What happens in a seemingly complex structure such as Cas-A is something very similar. The conversion between velocity and distance in the elusive third dimension from the center of the explosion for argon and silicon. Figure 9 of DeLaney’s paper. Let’s do that next! You are comm...
Cassiopeia A | 3D Cassiopeia
https://3dcassiopeia.wordpress.com/cassiopeiaa
3D Goggles for Telescopes. At this point, it is best to learn by example. Let us focus our effort on studying the three dimensional structure of an exploding star: the supernova remnant Cassiopeia A. Cassiopeia A, image courtesy of Wikipedia. The different colors correspond to different frequencies of light. Blue is X-ray, orange and red correspond to silicon’s and argon’s spectral lines respectively. Green corresponds to an X-ray spectral line of iron. What is so special about Cassiopeia A? Look at the ...
Final Result | 3D Cassiopeia
https://3dcassiopeia.wordpress.com/final-result
3D Goggles for Telescopes. Now we have a full three-dimensional ‘sculpture’ of Cas-A! Here is a YouTube tour I recorded on the three dimensional view of Cas-A. Advanced readers interested in a deeper look on the science can click here. If you want to play around with the three-dimensional visualization of Cas-A yourself, the best way to view this is through a three dimensional imager such as Mayavi. After installing Mayavi, the Cassiopeia-A three dimensional file can be found here:.
Starting Out | 3D Cassiopeia
https://3dcassiopeia.wordpress.com/starting-out
3D Goggles for Telescopes. First, as you navigate this site, there will be links marked with two stars ‘* ’ such as this * one. Visiting these links will give a more advanced overview of the topic. Be warned, however, these advanced links would require physics knowledge at least at a college Freshman/Sophomore level! This effect can be understood by noting the wave property of light. Take a look at the animated gif below:. Doppler effect, image courtesy of Wikipedia. What does this look like? Of course, ...
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Hydrodynamics | A visualization tool of 2D shocks simulations
https://2dshocks.wordpress.com/hydrodynamics
A visualization tool of 2D shocks simulations. An interactive module by Fernando Becerra. Euler equations describe a smooth flow. The equations represent conservation of mass (continuity equation), momentum and energy in the fluid. The set of equations are given by:. Is the total energy density. So far we have three equations and four variables, so we need a forth equation. In the case of a compressible fluid we add an equation of state (EOS) of the type. Which is equivalent to consider constant density).
2013 topical modules | ISM and Star Formation
https://ay201b.wordpress.com/topical-modules/2013-topical-modules
ISM and Star Formation. 8220;The Book”. These modules were produced by the AY 201b students of the Spring 2013 term. For a full description of the module creation process, motivations, and outcomes, see our article arXiv:1308.1908. For a summary of all the modules created in 2013, download the handout. From our May 21st event. Visualizing the Milky Way Project. Visualizing Turbulence in the ISM. Shocks in the ISM–From Simulations to Observations: This module plays with making mock observations of S...
Shocks | A visualization tool of 2D shocks simulations
https://2dshocks.wordpress.com/shocks
A visualization tool of 2D shocks simulations. An interactive module by Fernando Becerra. Shocks by definition are discontinuities in the fluid properties (e.g. density, velocity, pressure). A schematic image is shown in Fig.1, where we can clearly identify the discontinuity as a “shock jump”. The values of the fluid properties change abruptly at that interface. Pressure, energy and density have values. Respectively to the left of the shock, while to the right the values are. Which is basically jets eman...
Simulations | A visualization tool of 2D shocks simulations
https://2dshocks.wordpress.com/simulations
A visualization tool of 2D shocks simulations. An interactive module by Fernando Becerra. What is a numerical simulation? In astrophysics most processes can be described by a set of equations. A simple example are the equations of motion. Take a long time and we are not able to watch the whole process with telescopes. Another interesting example is the formation of the first structures in the Universe. A very famous simulation of large scale structure is the Millenium simulation. Based in an Lagrangian h...
Documentation | A visualization tool of 2D shocks simulations
https://2dshocks.wordpress.com/documentation
A visualization tool of 2D shocks simulations. An interactive module by Fernando Becerra. A zip version of the code is available here. Alternatively you can download pyro2 from its webpage. And add the file interface.py. To the pyro2/ directory. Here a list of programs you need to install before installing pyro2:. The only step needed to install pyro2 is building the fortran source. In order to do that just go to the pyro2/ folder and execute. Running a new simulation. Choose the initial conditions.
The Code | A visualization tool of 2D shocks simulations
https://2dshocks.wordpress.com/code
A visualization tool of 2D shocks simulations. An interactive module by Fernando Becerra. Pyro (from PYthon hydRO) was originally written in 2003-2004 by Michael Zingale. This version was resurrected beginning in 2012 and rewritten for numpy and brought up to date. pyro2. Is a 2D grid-based code mostly written in Python, with a few low-level routines written in Fortran. pyro2 employs a commonly used method to solve numerically the equations in grid-base codes, which is called the finite-volume method.
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3D Cassiopeia | 3D Goggles for Telescopes
3D Goggles for Telescopes. What is (one of) the hardest thing about astronomy? Sometimes problems that leaves astronomers scratching their heads are more mundane than you expected! An old professor told me once: the bane of astronomy is that we can only see two dimensional projections of an inherently three dimensional universe. What does this mean? Or south, towards Crux. Astronomical objects, our observation targets: stars, planets, galaxies, on the other hand, are of course three dimensional structure...
3D-Caste - Carsten Haubolds 3D-Engine
Welcome to the 3D-Caste-Homepage! 3D-Caste is an outdoor 3D-Engine for Windows written in C/C using OpenGL. I, Carsten Haubold, started working on this engine in 2002, and I think it'll take some more time until I can release a small game using this engine. Perhaps if someone would like to help me, I'd be faster (-;. I'll upload all my finished test-projects frequently, so all you other game developers out there can collect information. Please let me know if you have suggestions, questions or or hints!
Raul Castillo Portfolio
3D ART AND ENVIRONMENT. Hello and Bienvenido. My name is Raul Castillo. Welcome to my personal online portfolio. You will find in here some of the projects I have been involved as a 3D Artist in the latest years. 3D CGI, clay modeling, sculpting, wood carving and painting are my professional passions. To find out more please visit page About. Personal 3D Model store. My Gallery on CGSociety. My renderings on IstockPhoto. My Models for sale at Turbosquid.
