"Let's not waste any more time on small talk and get down to business. Wu Tong, I heard from Old Pan that you made a mathematical model. Let's see if it's a mule or a horse. I'll first check out its feasibility and then have Cheng Xu take you to see what it's made of!" Old Cheng ordered directly.
Wu Tong went back yesterday and repeated the deduction of a manuscript. When Elder Cheng pointed it out, she took it out of her backpack and handed it over with both hands. "Elder Cheng, please give me some advice!"
She's only just getting started in materials science, so it's wonderful that a senior like her is willing to offer some guidance. Thank you, old man, for being such a mentor.
From the very beginning, the first thing he saw was a page full of mathematical formulas, so twisted and convoluted that Cheng Huanan couldn't help but feel a toothache. It was a typical style of the School of Mathematics. The things produced by the mathematicians were really a headache. If he was good at mathematics, would he have to bow his head and ask old Pan for help every time!
However, since he had been asked, Cheng Huanan still gritted his teeth and continued reading. After so many years of accumulation, he said that he was not good at mathematics, but compared with those who were professional in mathematics, he did have a basic foundation.
Especially since these involve some transformations in materials science, he can generally understand the logic.
As he reviewed the data, Cheng Huanan's expression became more and more serious. He was very familiar with those sensitive data.
"Raptor F-22 model layout data?" His first reaction was, "Has Old Pan lost his mind? Why would he give such confidential project information to a child?"
"I had some feelings at the moment, so I did some deductions and deduced some seemingly key data. The dean has asked me to sign a confidentiality agreement!" Wu Tong was scratching her head. When she was deducing, she really didn't expect to design a confidentiality agreement.
Was it possible to deduce someone else's secret information just by feeling it? This was the shock of Cheng Huanan's teacher and student.
Cheng Huanan was the most impressed. How could he not know that the Raptor's data could be so easily derived? Two years ago, Old Pan assisted Chen Xiagang of Xi'an Aircraft Corporation in deducing the Poincare airway in four months. The excitement of the two old men was still vivid in his mind.
Compared to Wu Tong's casual promotion, those two smug old men must have hit a wall. No wonder that cunning old man Pan Wenhua was so willing to invest and bow to him. With such a big treasure, he must have devoted all his energy to protecting it!
Hmm... maybe there's some room for development. I have to thank Old Pan for sending such a talented person to him. Cheng Xu and the others are still in need of a junior sister, and he's still in need of a closed disciple!
Cheng Huanan flipped through the pages with more attention in his heart. He saw the derivation of the materials at the back. Although it was a bit immature, the logical angle was novel and correct. Is it a promising direction?
A self-taught child who only attended a few materials classes was able to come up with such a design. Coupled with this child's top-notch math skills and photographic memory, this kind of talent, this is definitely the last disciple he will be!
A rare smile flashed across his eyes, and Cheng Huanan instructed more naturally, "Cheng Xu, teach Wu Tong some basic knowledge. Take Wu Tong to learn about the instruments, and then do a calculation simulation!"
The foundation must be laid from the basics, starting now. He is ready to compete with the School of Mathematics for talents.
"Wu Tong, come over here with me. Look, this is our scanning electron microscope, the Thermofisher 1050. This is a Leica metallographic microscope. This is our stretching machine... This room holds the reactor... This is the computational simulation studio..."
"Computational materials science is a new field that has emerged in recent years. In today's materials research, it is used as an auxiliary means. Through experimental data, mathematical models are established, and then simulated by computers. Through various repeated simulations, the mathematical models are revised. The manufacturing process is designed based on the revised mathematical model, and material entities are manufactured for testing..." Ruan Chengxu warmly introduced the computational materials science involved in simulation to Wu Tong in detail. This is his minor subject.
"Or we can directly conduct simulation calculations based on some specific materials and reaction mechanisms to obtain a specific data model, and then prepare the material ratio that meets the target through experimental design. This can be regarded as a predictive research.
However, computational materials science can only provide approximate estimates at best. Materials testing can lead to drastic discrepancies for inexplicable reasons, and often the calculated results are completely different from the final results, which is a joke..."
"At present, we still lack a truly predictive computational materials theory to serve as a basis for research!" Ruan Chengxu sighed with regret.
When he first came into contact with materials, he was ambitious and looked forward to preparing various super materials to help national construction, punch Old M, kick European and African criminals, and leave his name in history.
Once he truly got into it, he realized that the biochemical and environmental materials, the four major tiankengs, were indeed worthy of their reputation. He, a promising 26-year-old, was still buried in the tiankeng, with no hope of ever emerging from it.
"This subject requires a high level of mathematics and the use of computers, which is a perfect match for you, Wu Tong!" With Wu Tong's mathematical foundation, switching to computational materials would be a natural fit. Mathematical problems that seemed tedious, complex, and difficult to solve for them would likely be no problem for Wu Tong.
With Wu Tong's background as a material, given his teacher's love for talent, he'd probably already reserved their junior sister. Therefore, Ruan Chengxu's explanation was particularly attentive.
"Come, Wu Tong, I will teach you how to import data and build a model!" Ruan Chengxu demonstrated to Wu Tong using the laboratory computer. The laboratory computers were equipped with relatively high-end equipment, far beyond the ordinary computers on the market. In terms of performance, only supercomputers could surpass them by a long way.
Wu Tong is no stranger to computational materials science; it's a field she's become particularly interested in since she started studying materials science. The mathematical model she's currently developing is based on a foundation in computational materials science, but her approach has been more thorough.
After carefully learning the operating methods from Ruan Chengxu, Wu Tong felt that she needed to add some computer-related learning in the future, including various computer languages, software programming, professional software VASP and Phonopy for computational materials science, and even detailed chemistry and materials science content.
After becoming a little more proficient, Wu Tong began to input her calculation model and various data line by line. Her material model was deduced based on the need for creep resistance, oxidation resistance, sufficiently high strength, stability, and extremely strong tolerance.
Compared to ordinary workers, Wu Tong's deductions had a clear direction to rely on, making it the perfect trial-and-error tool. As she considered the periodic table, she mentally reviewed the symbols of various elements. She naturally selected those that met her precise requirements, thus constructing a titanium-aluminum alloy model with superior performance, more suited to aviation applications.
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