Duncan Carlsmith

University of Wisconsin - Madison

Last seen: 1 day ago | Active since 2022

Followers: 2 Following: 0

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Physics professor active in computational physics education for 1st-year university students.

Programming Languages:
Python, C++, MATLAB, HTML, Fortran
Spoken Languages:
English

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Submitted

Electrostatic Induction Explorer
Live script exploring electrostatic induction in two dimensions with an elementary model.

1 day ago | 0 downloads |

Submitted

Method of Images Explorer
Live Script that calculates and visualizes the electrostatic field of a point charge near a grounded conducting sphere.

7 days ago | 4 downloads |

Submitted

Camera Simulation Explorer
Live Script that simulates imaging using a pinhole camera model.

11 days ago | 2 downloads |

Submitted

Simple data fitting explorer
Live Script illustrating interactive and programmatic fits of data to a polynomial model.

22 days ago | 6 downloads |

Submitted

Wave Equation Explorer
Live Script exploring reflection and transmission of waves in one dimension.

29 days ago | 8 downloads |

Submitted

Image Processing Explorer
Live Script introducing image processing.

1 month ago | 4 downloads |

Question

Write text to web browser including carriage returns.
The following code displays a function saving the resulting text as a character array and attempts to display the result. test...

1 month ago | 1 answer | 0

1

answer

Submitted

Curve Fitting for Physics Students
Live script exploring the theory, practice, and interpretation of fitting models to experimental data.

1 month ago | 5 downloads |

Submitted

Rüchardt Experiment
Live Script illustrating how to sense the number of molecular degrees of freedom in a gas.

2 months ago | 1 download |

Submitted

Speed of Sound With Moving Mobile Phone
Live Script illustrating measurement of the speed of sound using a moving mobile phone.

2 months ago | 2 downloads |

Answered
generating periodic trapezoidal waves with ramps
%pulsetran returns a vector. Here is an analytic method i just put together: %Create an analytic trapzoidal pulse train. syms ...

3 months ago | 0

Submitted

Speed of Sound with Multiple Mobile-Phone Microphones
Live Script illustrating a direct measurement of the speed of sound using multiple mobile phone and similar microphones.

3 months ago | 1 download |

Submitted

Static Beam Bending Explorer
Live Script exploring the stress distribution and shape of a loaded beam.

4 months ago | 3 downloads |

Submitted

Solid STL Extruder
Live Script illustrating creation of a 3D solid extruded along a parametric path and saved as an STL file.

4 months ago | 1 download |

Submitted

Helical Spring Maker
Live Script that makes a variety of helical-spring alpha shapes, geometry files, and STL files.

4 months ago | 2 downloads |

Submitted

Singing Wine Glass and Bowl Explorer
Live Script performing modal analysis of wine glasses, bowls, and other found objects scanned with a mobile phone.

4 months ago | 1 download |

Answered
How to compute response to single node impulse in structural model from modal eigenvectors directly
I think I found the answer. I need to extract the various matrices with assembleFEMatrices and renormalize the modal solutions.

4 months ago | 0

Question

How to compute response to single node impulse in structural model from modal eigenvectors directly
According to https://www.mathworks.com/matlabcentral/answers/1968759-scaled-mode-shapes-in-modal-analysis-of-a-simulated-system-...

5 months ago | 1 answer | 0

1

answer

Submitted

Parametric 3D Bowl Maker
This Live Script creates a parametric solid bowl surface mesh and exports it as an STL file.

5 months ago | 2 downloads |

Submitted

Membrane Wave Explorer
Live Script exploring waves on membranes with various shapes, isotropic and anisotropic stress distributions, and forcing condit...

5 months ago | 3 downloads |

Question

How do I damp a membrane subject to a time-dependent force with PDE Toolbox
I have a membrane wave equation simulation using PDE toolbox functions with time-independent but spatially constant or varying m...

5 months ago | 1 answer | 0

1

answer

Question

Error imposing space-derivative-dependent boundary condition with solvepde using variable state.uy - Error: Unrecognized field name "uy".
I would appreciate any advice of the following. I am working with PDE Tool box solvepde and a 2d membrane simulation and struggl...

5 months ago | 1 answer | 0

1

answer

Answered
How to convert something from Latex to matlab, is there a specific way where i can convert it with ease from latex to matlab, some function? please help
CHATGPT will do it. You there are other options and could even call the API within your code to do it programmatically. See e.g....

5 months ago | 0

Submitted

Physical Pendulum Explorer
Live Script exploring sensor data from a mobile phone attached to a physical pendulum.

6 months ago | 3 downloads |

Submitted

Mobile Phone Rotational Dynamics Explorer
Live Script exploring inertial sensor data from a mobile phone attached to a rotating axle undergoing angular acceleration.

6 months ago | 2 downloads |