Questions tagged [physics]
Physics is a science that studies the interactions of energy and matter. The physics tag should be used for questions about how physics can be simulated or implemented in programming.
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Trapezoidal rule for set of data
Here is the question from the book of Mark Newman-Computational Physics Exc 5.1
a) Read in the data and, using the trapezoidal rule, calculate from them the approximate distance traveled by the ...
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Simple spatial grid for particle system
I am going to simulate a particle system, the particles are infinitesimal points which apply forces on the neighbors and I need a fast way of making proximity checks, they are going to have a maximum ...
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Gravity simulation using Numpy and Pygame
This is a simple gravity simulator coded in Python 3.7 using Numpy and Pygame. I was wondering if it can be optimized further. Initially I had coded it using pure Python lists, using nested loops to ...
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Butter side up?
I've written a piece of code that determines if a piece toast with butter lands on the butter-side or not, depending on its initial velocity and the table height.
The code is written in Mathematica ...
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Simulation of spring-loaded inverted pendulum
I've finally committed to moving to Python 3 from MATLAB. I'm currently porting my MATLAB code, and I'm sure I'm missing a lot of common best-practices.
For reference, I'm simulating a spring-loaded ...
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Golf Physics "Game"
Continuation of this post
I wrote a program in pygame that basically acts as a physics engine for a ball. You can hit the ball around and your strokes are counted, as well as an extra stroke for ...
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Ising model simulation
I have written this code to simulate Ising Model at one particular temperature in presence of magnetic field to observe hysteresis effect using the metropolis algorithm.
While the code runs and gave ...
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Golf game boilerplate
I wrote a program in pygame that basically acts as a physics engine for a ball. You can hit the ball around and your strokes are counted, as well as an extra stroke for going out of bounds. If I do ...
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Perturbed phase oscillator integration
I am integrating a system of perturbed phase oscillators. I define the system of equation and also the Jacobian matrix. I have to reshape the one dimensional vector of system state to a 2 dimensional ...
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Simple Flappy Bird Clone using Kivy (with very minimum physics)
This is a very simple clone of Flappy Bird using Kivy, to be used for programming class for teens. The game consists of 3 classes: Bird, ...
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Simulating a two-body collision problem to find digits of Pi
I came across a nice video on 3Blue1Brown's channel that highlights a very indirect way to find the digits in Pi. I'd suggest watching the whole video, but briefly:
The setup is as above. A "small" ...
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Very slow frame rate in C++ N-body simulation using Barnes-Hutt and RK4
I am writing the code for my EPQ project and am aiming to produce a graphic showing the collapse of a particle cloud with around 10^5/6 particles.
My current code will spawn a specified number of ...
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Calculate supporting forces of a simply supported beam
The program uses a very simple algorithm to calculate the supporting forces of a simply supported beam.
I'd like to know if thorwables are good practice to handle semantic errors and if one should ...
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Vector addition and Pythagorean Theorem code
I would like to share my code that is meant to help me add 2 vectors together. It is very simple and I would like to kindly ask you whether you could review my code. Also, I decided to keep separate ...
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Modeling a capacitor with DC Bias
I am modeling a capacitor which has its capacitance varying according to the DC Bias. The DC Bias is computed by taking the mean of the voltage across the capacitance.
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