I Am the President of the University

Latest website: At 5 pm that day, all the university chip research teams arrived at Guanghua Hotel.

Originally, Chen Hao wanted to invite the heads and vice principals of each school to have a meal together in the evening, but he was rejected.

It was changed to noon the next day.

As for tonight...

At 7 o'clock, more than a dozen people entered the research institute together.

Starting at the entrance of the institute, the professors were dazzled by the smart access control system.

Once inside, it's even worse.

In the optical core laboratory, everyone's eyes were opened and they immediately put away their contempt.

To be able to achieve the current status, there is no fool.

at the same time.

The teaching building of the College of Engineering and Technology is 606 miles away.

"Old Zheng, elbows, are you nervous?" Zhang Lei felt that his little heart was beating hard, and he was afraid that it might jump out.

Lu Zhou said calmly, "It's okay."

Zheng Tianyu, on the other hand, glanced at the time on the computer. He was also a little nervous. He pretended to be fine and mocked Zhang Lei, "It's 19:31 now, and the game will start in 29 minutes. Lao Zhang, are you scared?" ?”

This sentence directly stimulated Zhang Lei. His face turned red and he shouted directly: "What a coward! I, Zhang Lei, am still afraid that this competition will fail?"

Zheng Tianyu breathed out, "Isn't it done then? Just wait patiently! We have been preparing for so long, just hold on steady."

After this interruption, Zhang Lei's nervousness eased a lot.

Time passed bit by bit, and finally it came to 20 o'clock with more than 130,000 college students waiting.

Zheng Tianyu shouted in a low voice: "It's begun!"

The much-anticipated 2020 National College Student Mathematical Modeling Competition has officially begun!

When the time came, the three people quickly downloaded the questions.

There are five questions in this mathematical modeling competition. Each team can only choose one question to answer, and it must be completed and uploaded within 72 hours.

[Question A - Pressure control of high-pressure oil pipes]

[Fuel entering and spraying out of the high-pressure oil pipe is the basis for the operation of many fuel engines. Figure 1 shows the working principle of a certain high-pressure fuel system. The fuel enters the high-pressure oil pipe from A through the high-pressure oil pump, and then is sprayed out from the nozzle B...]

There are three questions below.

After reading the three questions, the three of them looked up at each other and communicated.

Zheng Tianyu looked like he had pain in his face and said sadly: "This question... involves physics. We just learned it this semester..."

"Um, I feel like this question is not good." Zhang Lei was confused. Why was it so difficult from the beginning?

Lu Zhou pushed up his glasses and said, "Question A is pending. I'll take a look later."

Zhang Lei's eyes widened and he said in surprise: "Elbow, aren't you also a sophomore? Do you know how to do physics?"

Lu Zhou simply said: "I taught myself, and college physics is not difficult."

"It's not difficult to do big things??? Is it true? I heard my seniors complain that big things fail a lot of subjects, isn't it?" Zhang Lei looked unbelieving.

Lu Zhou raised his eyebrows, "Maybe this is just a rookie's specialty."

Zheng Tianyu bared his teeth and quickly reminded: "Continue reading question B and stop discussing it."

[Research on the Strategy of "Working Together" in Question B]

["Work Together" (also known as "Together Drum") is a team collaboration ability development project. The prop for this project is a cowhide double-sided drum, with multiple ropes fixed in the middle of the drum body. The fixed points of the ropes on the drum body are evenly distributed along the circumference, and the length of each rope is the same...]

Zheng Tianyu looked at the question, pondered for a moment and then said, "This question is finally normal. It does not involve physics knowledge and the difficulty is not bad. What do you think?"

Lu Zhou suggested, "Let's look further down."

[Question C: Taxi Problem at the Airport]

[Most passengers go to urban (or surrounding) destinations after getting off the plane, and taxis are one of the main means of transportation. Most domestic airports separate drop-off (departure) and pick-up (arrival) channels...]

Zhang Lei was the first to say: "This question doesn't seem to be difficult. There are four questions in total. I think it can be decided!"

Lu Zhou objected and said: "I looked at the following questions and felt that the airport data is difficult to find and it might be a bit troublesome."

"Will you?" Zhang Lei was stunned for a moment, sliding the mouse to look at the question.

Just looking at it, I accidentally turned it to the back.

Zhang Lei looked at question D on the screen and shouted excitedly, "Fuck, elbow, Lao Zheng, this question is easy, let's just answer question D!"

Question D on the screen was much less difficult than the previous three. Zhang Lei was so excited that he danced, putting his hands on the shoulders of Zheng Tianyu and Lu Zhou and shaking them.

However, Zheng Tianyu swept Zhang Lei's hand away with a look of disgust, rolled his eyes and replied: "Are you stupid? Question D is from the specialist group, you are mentally retarded!"

There are five questions in the mathematical modeling competition: ABCDE.

Among them, ABC is a question for the undergraduate group, and DE is a question for the junior college group.

Under normal circumstances, Zhang Lei would not look stupidly excited looking at question D.

"Uh, yes, I remembered it. No wonder it's so simple..." Zhang Lei scratched his head and asked awkwardly: "Then which of these three questions should we choose?"

Zheng Tianyu looked at Lu Zhou and asked, "What do you think of the elbow?"

"Question A involves physics knowledge, question B is a relatively normal mathematical modeling question, and question C seems simple, but I have to find the airport data myself and it is difficult to explain."

Lu Zhou calmly finished his analysis and gave advice to the two of them: "We have plenty of time to choose the topic, otherwise it would be like this. Before 9 o'clock, the three of us will try the three ABC questions separately, and then we will talk about it. The situation makes the decision.”

Zhang Lei asked: "How to distribute it?"

Lu Zhou said: "I will do question A, leave question B to Lao Zheng, and question C is relatively easy, and Lao Zhang will do it."

"Why should I do the easiest thing? I can also do question B."

Zhang Lei complained, but his body was very honest and Baidu was open on his computer.

Just when the three of them were busy choosing topics.

In the computer room of Nanjing University.

As a strong school in mathematics, NTU participates in the mathematical modeling competition every year, and this year there are more than a dozen teams.

As soon as the question came out, the computer room turned directly into a vegetable market.

"Oh no, what the hell? How can I do question A if I haven't studied physics yet?"

"This question B looks a bit interesting."

"Brothers, where can I find the airport data for Question C? I can't find it on Baidu. There are only past data, not real-time!"

"Is it too late to withdraw from the competition now..."

After the bad students finished complaining, the top students began to appear.

"Is it so difficult? Isn't it quite simple?"

"It's really not difficult. Just choose question A. What else should you choose?"

"It's really not difficult, let's start solving the problems."

At the beginning of this year’s mathematical modeling competition, I was immediately blown away by the title, and several limericks appeared on the Internet.

“I don’t know physics, and the oil pipe is scrapped.

The big drum beats the ball, and the head is scratched in confusion.

Didi picks up customers, but there is no data.

20 modeling, I am really a Buddha. "

…

An hour later, Zhang Lei already looked frustrated.

"The airport data can't be found at all. I guess I have to put a crawler on the airport website to run the data, which is a bit troublesome."

"The difficulty of question B is not bad. It's easy to get the national first degree, but it's probably a long shot to get the higher education club cup." Zheng Tianyu frowned.

According to experience in previous years, question A in the digital analog competition tests hard skills. Generally, the Higher Education Society Cup Award comes from question A; while question B can be done by a team, but it is hard to say whether they can win the prize.

Lu Zhou also spoke and said: "I took a look at question A. It is a fluid problem combined with control. It is very similar to the 2016 Meisai bathtub problem. Using finite elements, Fluent should be able to get some solutions."

Zhang Lei was immediately confused and asked: "I know about finite element, what is Fluent?"

Lu Zhou replied: "Fluent is a very simple finite element simulation of flow."

Hearing the word "simple", Zhang Lei looked happy and said, "Simple, just use this to answer the question."

However, Lu Zhou shook his head and refused and said: "It is not difficult to answer the questions using commercial software, but this basically means goodbye to the national award. This competition examines how to use mathematical knowledge and delve into the combination of finite element equations and physical theory."

"Emmm..." Zhang Lei didn't know what to say. He couldn't understand question A.

"Choose question A! Although the difficulty of question b is low, it is difficult to win the Higher Education Club Cup. Question A is more difficult, but as long as you do well, there is still hope for winning the Higher Education Club Cup."

Lu Zhou looked at the two of them and reminded, "After all, don't forget our goal."

The goal...of course is to win the championship!

This was agreed upon before. Zhang Lei and Zheng Tianyu looked at each other and nodded.

"Then choose question A! Are you okay with your elbow?"

"No problem, it's not difficult." Lu Zhou shook his head, his gaze fixed on the screen, as if there were sparks in his eyes.

"Then let's get started!"

ps: This chapter has been revised, the competition is really difficult to write. . . I transitioned out quickly.

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My balls hurt.