The software tag has no wiki summary.
2
votes
2answers
296 views
Software for simulating 3D Newtonian dynamics of simple geometric objects (with force fields)
I'm looking for something short of a molecular dynamics package, where I can build up simple geometric shapes with flexible linkages/etc and simulate the consequences of electrostatic repulsion ...
2
votes
1answer
331 views
IRIS alternative on mac?
I need to process some images taken from a telescope to determine the intensity of an astroid.
This way I can determine the rotation period of this asteroid.
The pictures were taken the usual way ...
2
votes
0answers
39 views
Does Celestia take the lunar orbit precession into account?
Does the lunar orbit plane rotate (8 year period precession)? Does Celestia take this into account while drawing the moon orbit?
2
votes
0answers
58 views
How can one activate the decay of the quark b with PYTHIA event generator?
This is my problem and I hope finding a solution.
_In the simplest alternative, MSTJ(22) = 2, the comparison is based on the average lifetime, or rather (c*tau "time life") , measured in mm. Thus ...
2
votes
0answers
112 views
Spin 1/2 finite-difference field simulator?
Is there a finite-difference field simulator for spin 1/2 fields, something like meep for electromagnetism (spin 1)? Looking for something free (GNU, MIT or other open/free style license) and easy ...
1
vote
3answers
155 views
Software for Creating Custom Star Charts?
I need to produce custom star charts for my website. I want to be able to do the following:
Specify a region, maybe a constellation or just an arbitrary region
Specify what appears on the chart ...
1
vote
2answers
218 views
Isotope properties plotting tool?
I'm looking for something that will generate scatter plots comparing different properties of isotopes. Ideally I'd like some web page that lets me select axis and click go but a CSV file with lost of ...
1
vote
2answers
88 views
How can one determine at which distance the Lennard-Jones potential reaches a given value?
My question is fairly simple, but I do need clarification on how to get the inverse of the Lennard-Jones potential V(x).
I am working with the following expression:
$$
V(x) = e\times[(R/x)^{12} ...
1
vote
2answers
309 views
Simulator for electrostatics
I am searching for a tool that visualizes the electric field/potential for simple electrostatic configurations like
conducting/polarized sphere in an uniform electric field
conducting/polarized ...
1
vote
3answers
297 views
Numerical simulation of mechanics problem
Say I have a planet and shoot something with a given velocity, which is a significant portion of the escape velocity, in a given angle into the sky. It has some initial velocity and there is the force ...
1
vote
2answers
122 views
Intensity loss due to vignetting
I was trying to get an expression for the loss of intensity due to vignetting in a simple optical system, and got a fairly complex integral. I was wondering if there's an easier way, or any book that ...
1
vote
0answers
62 views
What libraries are available for solving problems at the college physics level? [closed]
Are there any libraries available for solving problems at the level of college physics?
In particular, I'm interested in libraries for general purpose programming languages that can calculate results ...
1
vote
0answers
58 views
Toolbox for Complex Networks and Graphs
Is there a toolbox which helps in visual simulation and modeling of a network (say a mesh or ring) consisting of coupled synchronized system of nonlinear equations(ODE) which represent a system of ...
1
vote
0answers
63 views
Good Magnetic Simulation Software? [duplicate]
Possible Duplicate:
Where can I find simulation software for electricity and magnets?
I am looking for a good, FREE software that allows me to play with magnets, coils, generators, the ...
1
vote
0answers
162 views
Algorithmic approach for applying Kirchhoff's Rules to circuit analysis
Working with Kirchhoff's rules, I am attempting to device an algorithmic approach to finding the unknowns of the problems, I am of a Computer Science background and I am finding it difficult to ...
1
vote
0answers
118 views
Matlab package: graphical calculus for quantum operations including beam splitters and polarizing beam splitters [duplicate]
I need a matlab package that will make my life easier. I have quantum circuits with optical beam splitters, polarizing beam splitters and photodetectors. These circuits are getting very complicated ...
1
vote
0answers
170 views
Is there any know weakness with GNUplot fits? (especially with gauss) [closed]
my faculty push pretty hard on us using GNUplot but it gives me somewhat unconvincing results while attempting to fit a gauss-like function. Is there any known weakness with GNUplot fits or should I ...
1
vote
1answer
88 views
Physics II Video Courseware Recommendations
I'm looking for something to supplement my Physics II class. Last year I started using these video lectures to supplement my Calculus class and it helped tremendously.
I also turned to this ...
0
votes
1answer
486 views
Why is GNUplot so pervasive in Physics when there are much more modern tools? [closed]
First, I want to say upfront that this question need not dissolve into arguments and discussion. This question can and should have a correct answer, please don't respond with your opinions.
GNUplot ...
0
votes
1answer
1k views
Where can I find open-source weather forecast software? [closed]
Are there any software packages/frameworks for running weather forecast numeric models on a single PC? I've found at least two instances, but I'm interested to know whether there are more and where I ...
0
votes
2answers
139 views
Planet's Moon attrated by sun [closed]
I'm currently writing a code to generate solar system and $N$ number of planets / moons.
I use real data to test (earth / sun / moon data).
I succeeded in placing the earth and make it orbit around ...
0
votes
1answer
215 views
End position of movement factoring in deceleration
Ok I am hoping to apply this answer to a piece of software, but it uses physics to work out the result so I require some help in that department.
I will attempt to explain this the best I can.
I ...
0
votes
1answer
142 views
Software to simulate dynamics of objects in a given gravitation field [closed]
I want to simulate and test set of 2D designs that basically have pulley/gear/chain-linked systems under Gravity (For e.g. to check how a pulley would rotate given particular weights, of course I'm ...
0
votes
2answers
2k views
Free Optics Simulation Programs
I'm having an extremely difficult time finding an optics program that is easy to use and offers accurate physics simulations. I'm not asking for much, I just want to be able to simulate a laser going ...
0
votes
1answer
64 views
Modeling falling spheres
The following situation interests me and I was wondering if there is software to model it?
A large set of n spheres of uniform density and discrete sizes, mass proportional to volume, are dropped ...
0
votes
1answer
213 views
Implementing a black-body using Planck's Law in a 3D ray tracer
1_ In one of my software projects, I need to implement Planck's Law in terms of wavelength. I can't be sure if it's right because I've seen different variations of it, and all the implementations ...
0
votes
1answer
357 views
Physics simulation software to perform this very specific experiment
I need a physics simulation software that allows me to perform the following experiment:
1. Create a frictionless ramp/terrain defined by a parametric function;
2. Create a ball in an arbitrary ...
0
votes
0answers
18 views
How to make a fan like behavior [migrated]
I am making a game in Unity. I have an object e.g. cube. I want to release air from it like fan so that when other cubes come closer, it throws them away. What velocity,force etc I will need to do ...
0
votes
0answers
13 views
Software for electric schemes [migrated]
I am looking for an open source software for creating electric schemes. Could you, please, recommend your favorite programs? Also, it will be better if your programm can do other schemes (for ...
0
votes
0answers
22 views
Best code for Mie Scattering? [closed]
I'm looking for a good code for Mie scattering. What is most generally used out there (free and commercial)?
Do you know of any "recent" code written for Mathematica?
0
votes
0answers
26 views
Software for Rietveld Analysis [closed]
If I want to do Rietveld analysis, which software would you suggest?
I already tried FullProf, but I find it quite confusing and not user friendly.
0
votes
0answers
63 views
Quantum circuit simulation software [closed]
Would anyone be able to recommend some software that you can use to simulate a quantum circuit? Something someone created to easily be able to create nice looking quantum circuits and quickly ...
0
votes
0answers
46 views
Visualization of dynamics of a scale-free network of Ising spins [closed]
What software can I use to visualize the dynamics of a scale-free network of Ising spins? The network has 10,000 nodes and an average of 10 degrees per node. The exponent of the power law is -2.4 for ...
0
votes
0answers
87 views
Is there any Calculator capable of calculating and displaying differential geometry? [closed]
Is there any Calculator capable of calculating and displaying differential geometry (display curvature of spacetime)?
$$ds^2~=~g_{ab}dx^adx^b.$$
0
votes
0answers
74 views
How to place any logic gate in Ultiboard 10 [closed]
I have enermous problem with Ultiboard 10 Student's edition. I have to built a logic system to the karnough map(it is easy to me, but the program is not). I cannot find any logic gate in this program. ...
0
votes
0answers
60 views
physics presentation infographics tool [closed]
just wondering if anyone used some infographics(information graphics) tool tailored for physics demonstration use? i am looking at some figures and plots in different styles and feel they're ...
0
votes
0answers
27 views
Software for simulating the motion of a test particle in a force field [duplicate]
Possible Duplicate:
Software for simulating 3D Newtonian dynamics of simple geometric objects (with force fields)
Is there any software for linux, which can simulate the motion of a test ...
0
votes
0answers
113 views
free stress analysis software for verifying speaker stand design
I've designed a speaker stand, that I would like to build myself. However, I am a little unsure if the design is sturdy enough, or if it needs further improvements.
Is there a free software, which I ...
-1
votes
0answers
52 views
How can I simulate metric equations in relativity theories? [closed]
I want to simulate tensor equations of general relativity like Einstein's field equation, what I have to do? What PC program I've to use?
-1
votes
1answer
48 views
audio signal arithmetic
BACKGROUND:
I have been messing around with audio signals in Audacity and realized that by inverting a signal and adding it to the same signal I get no signal. Thus (S + invS) is really (S-S). (S+S) = ...
-1
votes
1answer
89 views
Simulating a car in an intersection
I'm somewhat confused. I want to simulate in real-time an intersection where cars have to turn left, right or go straight. What I have are 2 way points: One at the beginning of the intersection on ...
