This video, sponsored by Cambly, explores the challenge of simulating the explosion of a golf ball propelled at high speeds. Four years ago, Destin from the channel Smarter Every Day and Mark Rober attempted to record this explosion at 500 mph but failed. In this video, they aim to double the speed to 1000 mph using computer simulations.
The simulations are created by Léo, an expert in simulation techniques. He explains that simulations require accurate input data about materials, shapes, and speeds. They use a 3D mesh model to break down the problem into smaller elements, but the level of detail affects the simulation's speed and reliability.
The challenge lies in extrapolating data from 500 mph to 1000 mph, which lacks experimental validation. Léo attempts different simulation approaches, including one that visually simulates the ball at 1600 km/h.
Ultimately, while the visual simulations are impressive, they lack the quantitative data needed for engineering applications. Validated simulations provide valuable insights into material behavior and structural integrity, which is crucial for engineering purposes.
The video also highlights the importance of practicing and improving English fluency, with Cambly offering language learning opportunities tailored to individual needs and levels.
Overall, the video combines a scientific exploration of simulations with a sponsorship message for Cambly's English learning platform.
Here are the key facts extracted from the provided text:
1. Four years ago, Destin from the channel "Smarter Every Day" and Mark Rober attempted to record the explosion of a modern golf ball propelled at 500 mph (800 km/h).
2. The golf ball withstood the impact at 500 mph.
3. They attempted to double the speed to 1000 mph (1600 km/h) to see if the ball would explode.
4. Simulation was used to achieve these high speeds instead of experimental testing.
5. Léo, a former colleague, specialized in simulations and was responsible for the work.
6. Léo's company specializes in simulating techniques for various applications, including astronaut bone density loss and sports equipment analysis.
7. Simulation quality depends on the information input and human choices behind it.
8. The simulation involved modeling materials, deformations, and other factors.
9. Different types of simulations, explicit and implicit, were discussed.
10. The simulation broke down the ball into thousands of elements.
11. Increasing the number of elements improved the accuracy of the simulation but also increased rendering time.
12. Certain simplifications and approximations were made in the simulation to balance accuracy and efficiency.
13. Material data from the literature was used for simulations, but data at extreme speeds like 1000 mph was unavailable.
14. Léo successfully simulated the ball at 1000 mph but emphasized that these results were not validated and were mainly for curiosity.
15. Simulation is commonly used in engineering to predict deformations and stress on materials.
16. The simulation revealed stress concentrations in the ball and club.
17. The club had a weakness at the joint, breaking upon vibration.
18. The video was sponsored by Cambly, an online platform for learning English with native tutors.
Please note that these facts are based on the information provided in the text without including opinions or interpretations.