I really just want to be a scholar

Chapter 459 Super-large actual measurement kicks off
Both Qin Ke and Ning Qingyun cherished this opportunity to observe and study in the national key laboratory as an intern.

So far, both of them have only been in contact with theoretical physics. Even if they participated in Lao Hu's oil and gas separation project before, they were only at the stage of talking on paper.But now it is different. This time Professor Duan's laboratory topic is a typical applied physics category, and the research results can be directly applied to large-scale engineering projects for the national economy and the people's livelihood.

Such projects are often only available to scientific researchers who enter the research institute, not to mention ordinary undergraduate interns, even master interns, it is difficult to have such opportunities.

Therefore, in order to make full use of the real first-line learning opportunities for scientific research, the two have been using all their spare time to independently study and research about "fluid-solid coupling mechanics", "foundation liquefaction", "ocean engineering" in the three days before departure. ", "breakwater" and other knowledge.

With the incomparably rich professional-level physics knowledge in his mind, Qin Ke naturally has a good understanding of fluid-solid coupling mechanics, but marine engineering is a complex project involving multiple disciplines. The construction of breakwaters alone includes several aspects of physics. Subdivided fields, there are different disciplines such as chemistry, materials science, civil engineering, and architecture.Chemistry and materials science are okay. Qin Ke currently has an undergraduate-level knowledge, but Qin Ke is really a novice in engineering.

Therefore, in addition to explaining fluid-solid coupling mechanics to Ning Qingjun, he also read a large number of research reports, papers and other documents together to continuously enrich his knowledge.

A top engineering university like Kiyoki University, at this time, reflects her background. The abundance of information is amazing, and there are even many real cases and accident analysis reports-the details are so detailed that they will never be published in newspapers.God knows where the school collected it from.

This is also because the Department of Physics knew that the two of them needed this kind of information. After reporting to the school, the school specially opened the highest inquiry authority of the school's electronic library to the two of them, allowing them to freely access all the documents, otherwise there is no other way. See so many secret materials.

Facing the vast amount of knowledge, even though Qin Ke's talent in science at this time is almost unparalleled in the world, he only read more than 200 documents in about three days, and he felt a little dizzy.

But the harvest is also fruitful. At least when he drove to Professor Duan's Experimental Institute of Fluid-Structure Interaction Mechanics, he had basically become an expert in this field—of course, only an expert in theory.

Professor Duan's laboratory is not too far away from the school, only tens of kilometers away, but it takes a lot of detours to drive, and the one-way journey takes about one and a half hours. Considering the traffic conditions in the capital, such commuting time is still acceptable Accepted, so the two of them didn't ask Professor Duan to arrange a place to live, and took the car of work assistant Fang Yongtang to and from the laboratory and "Starlight Mingyuan"'s new home every day.

Professor Duan Yonggong is quite well-known in the field of marine engineering research. His main research directions are marine soil mechanics and fluid-solid-soil coupling mechanics. He is also a doctoral supervisor and belongs to the industry. Hearing old nonsense, Professor Duan still has the opportunity to be elected as an academician this year. This is even more awesome.

Such a boss is usually very busy with business, so naturally he has no time to greet Qin Ke and Ning Qingyun, two newcomers who are not well-known in the physics world, but still sent an associate researcher to wait at the door of the laboratory.

Qin Ke took Ning Qingyun out of the car, and a young man with a tall hairline and a slightly fat figure greeted him. When he saw Ning Qingyun, he was obviously dazzled by the girl's beautiful face and temperament, and couldn't help it. Smiling and sighing: "Welcome, Qin Ke, Ning Qingyun, I have heard of your names a long time ago, and today I finally met a real person. Yes, you two are more handsome and beautiful than the video photos on the Internet."

The young man had a familiar personality. He shook hands with Qin Ke and introduced himself: "My name is Qi Zhicong, and I am older than you. You can call me Brother Qi or Brother Cong."

Qin Ke also smiled back: "Brother Qi, hello, I need your guidance and care these days."

"You are welcome. I heard that you are very good at mathematical modeling. Maybe our laboratory still needs to ask you for advice. Let's go, I will show you around the laboratory first. Professor Duan still has something to do, wait. After your visit, I will take you to meet him again."

Qin Ke signaled Fang Yongtang to drive away first, and would call when he needed the car, then took Ning Qingyun's little hand, and followed Qi Zhicong into the laboratory.

This laboratory is indeed a key laboratory under the Ocean Engineering Science and Technology Research Center of the Xia Ke Academy. It covers an extremely large area, and its scale is almost equivalent to that of an ordinary college of higher learning. It also has a canteen, dormitory building, and sports field. The conditions are very good. it is good.

Three silver-gray, uniquely shaped research buildings are connected by a hollow corridor on the second floor, which looks like a circular triangle, which is impressive.

The most striking thing is that this laboratory is built along a large lake, a long and curved white lake embankment is extremely conspicuous.Each section of the lake dike has a different size, height, and shape, connecting and surrounding half of the vast lake.

"Our laboratory is not the longest history in the study of fluid-solid interaction mechanics in China, but it is definitely the largest and most advanced laboratory. Although it has only been established for about 15 years, many ocean projects and river embankment projects now use it. Our research results. In less than ten years, we will become a well-deserved top laboratory in fluid-solid interaction mechanics in China."

Qi Zhicong spoke with a hint of arrogance. Being able to engage in scientific research in such a high-level key laboratory, with a high salary and high social status, is indeed something to be proud of.

Qin Ke glanced at the nameplate he was wearing, and said with a smile: "Brother Qi is already an associate researcher at such a young age? It's amazing."

An associate researcher is an associate senior level, which is equivalent to an associate professor in a university.

Qi Zhicong looked about 26 or seven years old, so he was really young and promising.

Qi Zhicong was tickled by Qin Ke's words, and couldn't help but feel even more proud. Even seeing this little brother who came in for an internship "relying on connections" was pleasing to his eyes, and said politely: "Where is it? It's just a small achievement. Crouching tigers hide dragons in many of the top labs, and there are quite a few high-level researchers my age."

On the surface, he was humble, but actually admitted Qin Ke's statement. He is the youngest associate researcher in this laboratory.

The effect of Qin Ke's good eloquence is also obvious. Qi Zhicong became more energetic when he introduced the laboratory, and of course he also boasted:

"Look, now we are walking through the section of breakwater labeled 'J-92', which adopts the latest air-permeable double-layer structure, and the skeleton is all light alloy, which is also the research result of our laboratory. It The material is far above the steel bar, and the price is only twice that of the steel bar. Oh, don’t think it’s expensive, and you can save back the transportation cost. After the assembly site is assembled and the concrete components are directly poured, they can be locked and combined with each other Together, the construction is extremely convenient and can save a lot of construction time, especially for soft soil foundations. The foundation liquefaction experiment we are going to do this time is in this breakwater section."

Qin Ke said unexpectedly: "So, the ground liquefaction experiment is to verify the safety of the 'J-92' breakwater in extreme environments?"

Qi Zhicong was greatly surprised by Qin Ke's sensitivity, and praised: "Yes, you can indeed say that. To tell you the truth, in order to prove the safety of the 'J-92' breakwater, this experiment has been prepared for almost two years. The cost has exceeded [-] million. You are right, many people may not be able to experience such a huge and real final test experiment in their lifetime."

Ning Qingyun couldn't help asking curiously: "Can such a high investment be recovered?"

Qi Zhicong said with a smile: "Of course, once the experiment is successful, the overall plan of the 'J-92' breakwater will be promoted, which may involve a market of hundreds of billions, and will be used in important domestic flood control dike sections and offshore dike sections. "

Qin Ke and Ning Qingyun were a little emotional when they heard it.A huge experiment of [-] million yuan, which also involves a market of hundreds of billions and important projects related to the national economy and people's livelihood, is really remarkable!
It is too rare for Lao Hu to give the two of them the chance to fight back!

The two looked at each other, and both saw the burning interest and enthusiasm for scientific research in the other's eyes.

Qi Zhicong took the two of them around for about four or 10 minutes, widening their horizons, and finally transferred to one of the laboratory buildings.

"Our laboratory has 13 senior-level researchers, 38 deputy-high-level associate researchers, and even more assistant researchers and intern researchers. Intern researchers are generally doctoral and postgraduate students brought by professors. Professor Duan is our The person in charge is also a doctoral supervisor, and now he has a few doctoral students."

Qin Ke and Ning Qingyun waited in an office for another ten minutes before seeing Professor Duan Yonggong.

Professor Duan Yonggong is about 50 years old. He wears a researcher's white coat and glasses with thick lenses. His eyes are always squinted habitually. He only has short, sparsely combed hair on his head.

According to the jokes in the industry, the less hair you have, the more knowledge you have. Professor Duan Yonggong's level is undoubtedly very high.

"Qin Ke, Ning Qingyun, come and sit down."

Duan Yonggong is the style of doing more things than talking, and he didn't exchange any pleasantries. He pointed to the sofa in the office and motioned for the two to sit down:
"You have followed Xiao Qi for five days, and there will be an experimental communication meeting in 10 minutes, and you will also participate together. I know that your level of mathematical modeling is very high, and you will also undertake part of the related work during the internship. During the internship, you can ask anything you don’t understand. You can ask me, Xiao Qi or others. I have already said hello, as long as it does not involve the part that needs to be kept secret, I will answer you. The only requirement is, Don't touch the experimental equipment without permission, no problem?"

Professor Duan's capable style still suits Qin Ke and Ning Qingyun's appetite, and they nodded in unison: "Understood, Professor Duan."

"Okay." Professor Duan smiled with satisfaction, and said to Qi Zhicong, "Xiao Qi, show them the meeting materials so that they can have a preliminary understanding."

The laboratory is divided into many research groups, and it is naturally impossible for Professor Duan to follow every research group.However, the "Experiment on Liquefaction of Breakwater Foundation Under Wave Action" four days later is considered the most important experiment in marine soil mechanics in the entire laboratory, and Professor Duan will naturally follow up in person.

Qin Ke and the others only flipped through the meeting materials in a hurry, and 10 minutes later, the meeting of the research group began.

Professor Duan first introduced Qin Ke and Ning Qingyun to more than [-] team members, and then went straight to the topic.

"This experiment is based on the different wave parameters obtained from our simulation experiments to verify the effectiveness and safety of the J-92 section breakwater under the predetermined wave height and water depth conditions. The values ​​that need to be recorded include transmission coefficient, reflection coefficient, foundation The clay content of the soil, the permeability and density changes of the soil..."

Professor Duan's meeting style was the same as his speaking style, concise and capable, but probably because Qin Ke and Ning Qingyun were newcomers, he added a lot of explanatory content.

According to Professor Duan, the most critical point of this experiment is "ground liquefaction".

The so-called foundation liquefaction refers to the fact that the sandy soil with strong shear strength under the original saturated state in the foundation soil causes the pore water pressure to rise due to some reasons, and the effective stress between the sandy soils decreases, which weakens the shear strength, and finally makes the The foundation soil has a softening effect and becomes a mud-water mixture in a semi-fluid state or even a completely fluid state.

The liquefaction of the foundation is very harmful, which will lead to a significant reduction in the bearing capacity of the foundation. The most direct impact is to make the foundation of the superstructure invalid, causing serious consequences of sinking, rolling or even the entire collapse.

Ground liquefaction is generally caused by external forces, such as years of permeation and resonance under the action of waves, or severe weather caused by typhoons and huge waves, or more direct and powerful earthquake vibrations.

The "J-92" breakwater plan is the main verification object of this experiment. By evaluating the ground under the static force of the lake water and the dynamic action of wave load and wave cycle, after geological liquefaction, the "J-92" breakwater To what extent can the ground be liquefied to verify its safety.

The research group has gone through repeated and detailed computer simulation experiments and experimental model tests, and has optimized the "J-92" breakwater scheme dozens of times. Now it is a super-large real environment test before it is officially launched on the market. They call it a "super-large field test."

At the end of the meeting, Professor Duan assigned everyone's work.

This experiment has certain risks. In order to avoid the liquefaction of the ground beyond the design value of the experiment and cause the safety accident of the breakwater collapse, many preconditions must be fully completed.

For example, Qi Zhicong will bring several assistant researchers to be responsible for the final inspection of the large-scale wave generator and wave height meter together with the manufacturer's engineers.

Qin Ke and Ning Qingyun were also assigned to work, mainly to analyze the data from previous computer simulation experiments.

Professor Duan arranged: "The computer simulation experiment is based on a mathematical model. This mathematical model was provided by our superior brother unit and the Institute of Mathematics. There should be no problem. But since you two just came , to help verify that the original mathematical model has no major bugs."

Naturally, Qin and Ke would not refuse the task assigned by Professor Duan.

Qin Ke roughly looked through the thick data in his hand, including the data of the last two experimental model tests, as well as the data of computer simulation experiments under related mathematical modeling.

The two were taken to their assigned workstations and began to study deeply.

Three full and busy days passed in a blink of an eye.

It was the first time for both of them to come into contact with such a large-scale project. A model experiment contained thousands of pages of data, which was dozens of times larger than the original MF99 additive experiment, but Qin Ke and Ning Qingyun cherished this rare opportunity. If you don't understand, you can ask the researchers around you for advice, and finally understand most of the details of the whole experiment, and have a deeper understanding of these experimental data.

Qin Ke is more sensitive to numbers, and when he concentrates all his energy, he can read a page at a glance, which is unbelievably fast.

The people next to him thought that he was flipping through it, but they never expected that Qin Ke had actually written down the data on each page, and automatically made a "chart" in his mind, and then compared it with the results simulated by the computer. Compared.

"Huh?" Qin Ke's hand flipping the data page suddenly stopped.

The few lines of data on this page made him feel that something was wrong.

(End of this chapter)