You say you have an iron will, are you serious?

Chapter 244 NS equation is locally established

In the early morning at night, Wudaokou, the mathematics office was still brightly lit.

"...Symmetric average version ~/B, regarding the equation /tμ=△μ+~/B(μ,μ), μ(0)=μ/0 does not satisfy =0..."

"...the global solution does not exist~"

"...local theoretical velocity μ=0..."

……

"So, even in three dimensions, n ≥ 3, the cancellation property does not exist, the equation will explode? Only under a high enough Re, through the development of nonlinear perturbations, at certain points where perturbations are easy to grow, through evolution, will A sudden interruption in the flow velocity occurs and causes a pressure peak, resulting in a singularity~"

Looking at the final calculation result, Zhao Mo was stunned for a while. After a long time, he put down the pen in his hand, then slowly stood up and looked at it.

The NS equation is not really solved, or it is partially solved.

Prior to this, everyone's work has proved that the NS equation will explode at high latitudes of n ≥ 4, which means that there is no strong solution, existence and smoothness do not exist.

Smooth, as the name suggests, very smooth.

The explosion, that is, this place was not smooth, and the corners were so twisted that they were overwhelmed by the disturbance and exploded.

Now, he has achieved this work to n≥3. Under the premise of three dimensions, there is still no strong solution to the ns equation.

Zhao Mo knows that although in this case, it is still impossible to prove that the ns equation has no strong solution, it can be said to a large extent that there is no strong solution to the ns equation.

Unless there was something else he hadn't noticed.

"This result is regrettable~"

Zhao Mo murmured to himself, but soon he breathed a sigh of relief and said: "However, the local existence of strong solutions is almost enough for my current research. Next, it is time to get into the actual making of rockets. A new stage of entity~"

Mathematically, the existence and smoothness of the NS equations are disappointing.

But in terms of fluid mechanics, he was still gratified by the singularity discovered. This helped him play an immeasurable role in the study of rocket combustion. He was already sure!
  He raised his hand and looked at his watch. It was already two o'clock in the morning.

Zhao Mo was startled, and quickly packed up the manuscript papers, and then slept on the sofa in the office for a night. The quilt and pillows were ready-made.

Nothing to say all night~
  The next day, the fixed biological clock made Zhao Mo wake up on time.

It was only half past five, but Zhao Mo didn't feel tired at all. Instead, he was in high spirits, as if he didn't stay up until two o'clock last night, but went to bed very early.

After washing up, Zhao Mo went downstairs to do morning exercises on the school playground.

The morning approaching summer is very comfortable. The rising sun shines on the face, shining a red color, which makes people feel relaxed and happy. The morning exercise is also particularly energetic.

At this time, many people were already doing morning exercises on the playground.

Seeing Zhao Mo's arrival, everyone nodded and said hello.

Zhao Mo nodded in response.

Among the crowd, Zhao Mo rarely met Hu Kai.

"Hey, Professor Zhao? Why are you doing morning exercises here?"

Hu Kai asked in surprise.

Zhao Mo smiled and said, "I studied very late last night, so I didn't go back."

Hu Kai was startled, and then said with emotion: "Professor Zhao, you are too self-disciplined. You have to do research over there, and you don't forget to do physical exercise here. I believe that if you don't do scientific research, you must be a very Awesome track and field athlete.”

Zhao Mo smiled and nodded: "I believe it too."

After a passionate morning exercise, Zhao Mo's face turned slightly red, his breath became slightly thicker, and there was a little sweat on his back.

He went to the canteen and bought some breakfast to take to the office, and he started his day's work.

Now he is working on the final design of a high-thrust rocket engine.

While gnawing on the buns, Zhao Mo started designing on a special computer.

Speaking of which, in terms of industrial design software, our development is still very backward. Currently, they are using foreign software, and it is not the latest foreign version. It is an old version many years ago, which has been adjusted by internal staff. .

It’s not that you don’t want to use the latest version, it’s that others won’t let you use it.

bang bang bang~
  There was a knock on the door, and Zhao Mo, who was immersed in his work, was interrupted. After casually saying "come in," he started working again without paying attention to who came in.

The visitor was Yang Chan. Seeing how focused Zhao Mo was, she swallowed her words immediately when she was about to speak, and the breakfast she was holding dropped.

She turned her head and glanced at the pillows and quilts on the sofa, which were all lifted.

"I don't know how to clean it up~"

After muttering quietly, she put breakfast on the coffee table in front of the sofa, then helped fold the quilt, put the pillows in place, and then went out directly.

Naturally, breakfast was also brought out.

"Yang Chan, where is Zhao Mo?"

As soon as she carefully closed the door, a gray-haired old man walked towards her. When he saw her coming out, he immediately asked. “Chief Commander Wang!”

The moment she saw the old man, Yang Chan's eyes lit up and she replied with a smile on her face: "He is busy inside. Master Wang, do you want me to go in and call him?"

The visitor was Chief Master Wang, who had retired and was the honorary dean of Wudaokou.

"Forget it if he's busy~"

Commander Wang waved his hand, and then said: "I came to him to tell him a piece of news. Since he is busy, I will tell you the same thing. You can tell him directly when he is finished. The recruitment of the second batch of astronauts has begun. ”

"Ok."

Yang Chan quickly agreed.

But as soon as she agreed and Master Wang turned around, she felt something was wrong, and countless question marks immediately appeared on her face: "???"

Wait, what's going on?
  The higher-ups are just recruiting astronauts, so why do you have to come here to notify Zhao Mo?

"Is Zhao Mo still working on the national aerospace secret front?"

Soon, Yang Chan thought of a possibility. Perhaps it was only this possibility that made Chief Wang come over to inform Zhao Mo.

However, this may still be a bit strange. Shouldn't the secret front work avoid family members? Although she is Zhao Mo's fiancée, she still needs to be avoided, right?

She had previously watched declassified files broadcast on CCTV, and the spouses of the older generation of scientists had avoided them.

She wanted to ask Master Wang, but felt a little embarrassed.

While he was hesitating, General Master Wang had already walked away, so he had no choice but to give up and think about asking Little Brother Mo what the situation was when he told him.

Then, she went to do her own business.

More than three hours later, at noon,
  Yang Chan brought a meal of love to Zhao Mo. At this time, Zhao Mo didn't feel hungry, and the work was going very smoothly. He really didn't want to stop and waste this state, so he heard Yang Chan's voice, and he also He just said casually, "I'm not hungry, let's eat at night", and then nothing happened.

"Okay~"

Yang Chan shrugged and had to take the food back.

Six more hours later, during dinner, Yang Chan came for the third time.

This time, Zhao Mo finally reached a point in his work, then pressed the pause button and started to eat the loving food she brought.

"Well, it's so delicious~ It smells so good~ The food my wife brings is just different~"

Zhao Mo took one mouthful of food, his cheeks were bulging from the food, and he spoke in a slurred manner.

The corners of Yang Chan's mouth raised slightly, with a happy smile on her face, but she said: "Eat your food first, don't flatter me, it's not unrealistic at all."

Zhao Mo stopped talking and buried himself in his food.

In less than five minutes, Zhao Mo finished eating, burped, said "comfortable", patted his belly, and then stood up, ready to continue working.

Yang Chan put away the dishes and said while saying: "Brother Mo, Commander Wang came here this morning and asked me to tell you the news that the second batch of astronauts has begun to be recruited."

"what?"

Zhao Mo was shocked, why so fast?
  It was 2012 when the second batch of astronauts went to space, which was still three years away. He didn't expect to start recruiting people so far in advance. It was really beyond his expectation.

Yang Chan recounted the story, and then asked curiously: "Why did General Master Wang come here to tell you this?"

After asking, I felt that this topic was a bit inappropriate, so I quickly added: "If it is confidential work, just pretend that I didn't ask."

Zhao Mo: "..."

This is really hard to answer~
  He had mentioned to Commander Wang many times before that he wanted to go to space, but he had not asked Commander Wang to reveal to him the recruitment of the second batch of astronauts, so it was really a surprise that Commander Wang came to inform him this time. He didn't expect that General Master Wang would come over to inform him of this matter.

Of course, he didn't expect it to be such a coincidence. When General Master Wang came to inform him, he happened to be busy, and Yang Chan happened to come over to deliver breakfast.

After thinking about it, Zhao Mo decided to tell the truth, so he coughed and said sheepishly: "Baby, this is not confidential work, it's because I want to go to heaven to do some research..."

This time it was Yang Chan's turn to be stunned: "..."

What a guy, what a guy!

I thought it was some kind of secret work, but I didn't expect that you want to be an astronaut and go to heaven!
  Suddenly, a feeling of fear, fear, and grievance surged into her heart, and then tears welled up in her eyes. She stared at Zhao Mo blankly and said, "Can't I just go?"

Seeing her pretty face full of worries and looking like she was about to cry, Zhao Mo suddenly felt distressed. He couldn't help but walked over and hugged her into his arms. He held her face with both hands and pressed his forehead tightly. Putting his head against her forehead, he comforted: "Don't cry. I'm most afraid of you crying! It's okay. My body is so good and our rocket technology is so safe. Nothing will happen to me. If I am selected then, Now, just treat me as if I’m on a business trip.”

"Can this be the same?"

Yang Chan sniffed, held back the feeling of wanting to cry, and then said: "This is outer space! Didn't the astronauts escape a narrow escape when they went to space? What kind of research must go to space? We can also build things on the ground. A laboratory for outer space environment~”

Whether it was time to say something or not, she thought of retorts one after another.

Zhao Mo couldn't help laughing and said: "Our country's astronauts have been there several times and are very experienced. Just rest assured. Believe it or not, after four or five years, our space station will be built, and the astronauts will go to heaven." It's as casual as eating and drinking. There will always be three or four astronauts stationed in the sky at any time, which is even more powerful than the International Space Station. As for the laboratory you mentioned to build an outer space environment, it is definitely incomparable with the real outer space. It’s still affected by gravity.”

(End of this chapter)