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Chapter 156 We studied it for several months, but they solved it in two days(1/3)

 Peng Hui yelled at Cui Xunnian to criticize and educate him, "An organization like yours should also give you money!"
"I'm a good mathematics professor, and my research is so good. Is it okay to ask someone to help me without paying me?"
"We also gave two hundred thousand last time!"
Peng Hui didn't mind saying more, since Cui Xunnian didn't know anything about it anyway, "People have done data analysis, but it took ten days, half a month, right?"
"The most important thing is not time, but ability."
"Think about it, a research project like yours is not as expensive as the alloy project. If you delay it for several months, you may not be able to produce results."
"If you want to find someone with the ability to help, you should be sincere in giving money, right?"
"You are the kind of person who has stayed in the unit for too long and doesn't understand the situation outside at all!"
Cui Xunnian would have been anxious if Peng Hui said such a thing about other things, but now he listened patiently and felt that what Peng Hui said made sense.
Nowadays, to find a labor force outside, you have to pay hundreds of dollars a day, and to find a top mathematician to help with research, which consumes a lot of brainpower and time, and it is simply unjustifiable not to pay.
He had never thought about money before.
The main reason is that this problem is very difficult. Several aerodynamics experts from the institute have been studying the equations, but without any results.
Wang Hao, okay?
This is the problem.
Cui Xunnian had a question mark in his mind. He came to Wang Hao mainly because he saw that Wang Hao had conducted world-class research on approximate solutions to NS equations and had other top achievements in the field of partial differential equations.
However, when faced with a system of partial differential equations and a complex system of equations with NS equations, how can it be so easy to obtain a more approximate solution?
What the experts at the institute do is to constantly plug in numbers to do calculations, and then judge the ungrouping situations one by one based on analysis.
Screen out some solutions that look good and design experiments to test the effects.
Later it was proved that they did not meet the requirements.
Cui Xunnian is one of the researchers in the team, but he is not the main person in charge of the project. He can be called the 'deputy director' at most. He is only responsible for this part of the content.
The research got stuck here, which made him feel very anxious.
Of course, the responsibility is not entirely his, because the difficulty of the research lies here. Many people in the team are studying this point, but they have not been able to make a breakthrough.
After putting down the phone, Cui Xunnian thought about what Peng Hui said and felt that he should come up with funds.
However, giving money is not easy.
This is not his own project, and he is not the main person in charge. He can only put forward his own ideas and suggestions.
But what if you spend money but don’t get results?
Then you need to bear the pressure.
He thought hesitantly and found Wang Hao's resume. After reading it for a while, he suddenly became much more determined.
Wang Hao’s resume is really dazzling.
In the past year or so, he has completed a lot of research, and two of them were published in top mathematics journals just in the direction of partial differential equations.
He is also an expert in data analysis. He participated in Peng Hui's alloy project and was invited to give a lecture at the Institute of Aeronautical Materials. The research content received great attention.
Not to mention research on number theory.
His latest research on mathematical methods is considered a Fields-level achievement and is also anticipated by the international mathematics community.
"Top mathematician!"
Cui Xunnian gave a brief summary. The experience in front of him made him feel incredible.
Suddenly a voice came from outside, "Director Cui, the meeting is about to begin!"
Cui Xunnian quickly stood up and walked to the conference room. He walked to the door and thought for a while, then came back to get Wang Hao's resume.
The person presiding over the meeting was Yang Yuan, the general manager of the project.
Cui Xunnian entered the conference room and sat on the right side of Yang Yuan. Others also came in and sat in their seats.
Yang Yuan said, "Let's make a summary. The progress has been slow during this period, mainly due to the problem of wind resistance calculation."
He looked at the person on the right and said, "Zhang Binghe, please talk about the wind resistance experiment first."
Zhang Binghe picked up the document in his hand and said, "We have conducted seven wind resistance experiments since three months ago. The highest evaluation value in the experimental test is 23.6, which was in the fourth experiment."
"Our goal is to reduce the evaluation value of the wind resistance test to below 20. For the time being, we can say that there is no progress and the difference is still far away."
"The seventh experiment last week proved that the data from the fourth experiment cannot be adjusted anymore..."
He said and shook his head.
The wind resistance test of the experimental design, that is, the aircraft model resists wind pressure. The direct purpose is to reduce the air resistance. The smaller the air resistance, the same power can bring greater acceleration, which will make the aircraft more flexible.
.
When flying at low altitude, the aircraft has more power and faster acceleration, and can also greatly improve the safety factor and flexibility, which can be said to be related to all aspects of performance.
Unfortunately, their research has not made any progress.
The most important thing is that the wind resistance cannot be accurately calculated, even more precise calculations cannot be done. Many experiments rely on the solution obtained by replacing numerical values. It can be said that they rely on experience and luck.
Yang Yuan nodded after thinking. He asked Cui Xunnian and said, "I heard that you found some outside experts a while ago. Did you get any results?"
Cui Xunnian shook his head, "They all said it was too difficult to solve."
This answer is disappointing.
He hesitated and continued, "However, I found a new expert, Professor Wang Hao from Xihai University."
"Wang Hao?"
Others immediately started talking, "I've heard of this person. He just won the Chen Shengshen Mathematics Prize, right?"
"It is said that he is a super genius and a future Fields winner."
"what's the result?"
Cui Xunnian did not answer, but said, "I am thinking about a question. Should we allocate part of the funds to find outside experts to help solve this problem."
He said a lot more seriously, "The main direction of what we are good at is aerodynamics. When it comes to the analysis of fluid mechanics problems, we can only use the original methods, or simply experience, and rarely can we do special research on our own.
method."
"This kind of pioneering research still needs to be done by mathematicians who specialize in partial differential equations."
"This is also an important reason why we cannot solve this problem."
Everyone else nodded as they listened.
No matter how confident they are in their major, they still know that there is a level gap in solving theoretical problems between themselves and mathematicians who specialize in partial differential equations.
Most of what they do is application, rather than studying the underlying logic.
Cui Xunnian said, "That's why I went outside to find other experts for help. I think Wang Hao is very talented and he has the ability to help us solve this problem."
His tone was very certain.
"But the question is, why should he help us? Is it because we are a military research institute?"
"So I think we should allocate some funds to support it instead of just asking others to help."
Cui Xunnian spoke in an orderly manner, which made everyone in the conference room fall into deep thought. He took advantage of the time and handed Wang Hao's resume information to Yang Yuan.
Yang Yuan took a closer look and was surprised by Wang Hao's genius. Then he looked at the others, "What do you think?"
Someone said, "Let's see if it's feasible or not? How much funding will it cost?"
Zhang Binghe also asked, "We can't research it, so we can only find others. But, is it possible to find Wang Hao? Is it possible that even if we give funds, there will be no results? After all, we have been researching for several months.
, no matter how talented he is alone..."
He shook his head as he spoke, his meaning already obvious.
Yang Yuan was silent for a moment, then asked Cui Xunnian thoughtfully, "What do you think is the appropriate fee?"
Cui Xunnian said, "I have a friend named Peng Hui who asked Wang Hao to do analysis on his alloy project for 200,000 yuan."
"..."
"..."
To be continued...
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