Learn Euler's Method for Pendulum Simulation | Excel Tutorial

AI Thread Summary
The discussion focuses on using Euler's method for simulating a pendulum in Excel, specifically seeking guidance on calculating Theta Dot. The user is struggling to find the correct formula for Theta Dot in the provided tutorial link. They express a lack of physics background and aim to use the Excel file as a foundation for future programming. The relevant formula for updating Theta Dot is provided: Theta Dot at the next time step equals the current Theta Dot plus the angular acceleration multiplied by the time step. This highlights the need for clarity in applying Euler's method for pendulum simulations.
max1992
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This is not part of my homework, but it can make my life much easier. I try to prepare the Excel file as instructed in the link, but I can not find information on how to get the correct value of Theta Dot.

http://www.esm.psu.edu/courses/emch12/IntDyn/course-docs/Euler-tutorial/

I'm sorry that I ask the question, but I do not have classes in physics, and one of my teachers requires us to prepare a program imitating a pendulum. This excel I would like to be treated as a base, which later I move to the code.

My question: What formula I should try to generate value assigned to a cell Theta Dot? I can not find it in the link, which I have enclosed.

Thanks in advance!
 
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According to Euler's method,
$$\dot{\theta}_{(t+\Delta t)}=\dot{\theta}_{t}+\ddot{\theta}_t\Delta t$$
 

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