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 In 1996, it was an era when you had to wear shoe covers when entering the computer room. Computers were a new thing. Of course, students’ personal computers were almost non-existent. Even the school’s computer room could not be used unless approved by the college or a higher level. You can only use your student ID card for up to one hour a day.
 At this time, Chang Haonan was sitting in front of a computer of unknown brand, looking at the familiar yet unfamiliar pictures on the monitor.
 The classic fluid dynamics calculation software Fluent is a relatively new version compared to 1996.
 The oldest fluent is just a partial differential equation solver and does not even have a meshing function. In that case, the workload will be several times greater.
 Although Chang Haonan can perform smooth operations with system buffs, the computer itself in 1996 was really unable to respond smoothly, and what he lacked most at the moment was time.
 But even so, the 3D modeling process still requires additional software, such as Dassault's CATIA.
 "Now Ye Qing is really back, in a double sense."
 Chang Haonan thought to himself as he looked at the CRT monitor, trackball mouse and win95 interface in front of him.
 "Haonan, when did you learn these things?" Wu Yifan, standing behind Chang Haonan, had curiosity in his eyes.
 Of course what he was concerned about was not Chang Haonan's ongoing simulation modeling work itself, but the latter's extremely skilled use of computers. He knew a big boss from Huaxia Renmin University. He made more than 200,000 yuan through computer programming when he was a sophomore, and he became his idol for a time.
 "Of course when you go to contact business outside the school." Chang Haonan said without looking back.
 Zhang Man and Zhou Shuwan, who were also standing behind Chang Haonan, had their jaws almost dropped with disbelief on their faces.
 Compared to Wu Yifan, who was hardly interested in his studies, the two of them knew how difficult it was to model a complex structure like an aircraft, even if they just transferred the things they had already drawn on the drawings to the computer. It’s an astronomical workload for a novice.
 However, all this was so easy in Chang Haonan's hands. As his fingers flew around on the keyboard and mouse, a fighter model with a large delta wing and a conventional layout gradually appeared on the computer screen.
 Equivalent wing model, completed
 Full machine pneumatic model, completed
 Midway, the computer room management teacher came over to remind them that the time was up. Wu Yifan, who was afraid that Chang Haonan would be disturbed, decisively added an hour of his own time to the computer. Later, Zhou Shuwan and Zhang Man also contributed their student ID cards.
 Inlet duct modeling…
 Engine modeling…
 "call……"
 Under the "guidance" of the system, Chang Haonan almost entered a selfless working state. When he finally completed the required modeling work, he realized that several hours had passed.
 "Is this... the end?" Zhang Man looked at the screen in front of him in stunned silence. Although he had just watched the entire modeling process, it still took him four hours to create a three-dimensional model with such high precision. She had a sense of unreality.
 "Strictly speaking, of course not." Chang Haonan stretched out and leaned back on the chair: "But our course only requires aerodynamic design, so we don't care about airborne equipment, internal structures, etc. Anyway, we know that this plane can definitely fly."
 "Awesome, Brother Nan, I think even among the professors in our college, there are not many who are more skilled than you, right?" Zhang Man did not hesitate to praise Chang Haonan at all, and his name has also changed. .
 I originally thought that the big boss in the group was Zhou Shuwan, but it turned out that Chang Haonan, who seemed a little crazy before, was the real hidden boss!
 No, study god!
 How can the madness of Xue Shen be called madness? That’s just ordinary people not understanding God’s thoughts.
 "If we only talk about simulation, it's pretty much the same."
 Chang Haonan reached out and touched his thick hair, leaned back on the chair, and showed a confident smile. He is not just boasting. There may not be anyone in the world who is more skilled than him in this regard.
 "But what we were talking about before was to calculate the performance of this aircraft?" Wu Yifan scratched his head. Although he also saw that Chang Haonan was powerful, he really didn't want to increase his own strength.
 "Of course, but the calculation process will be more time-consuming, so this time I only calculated the performance of the inlet part. Next, I only need to use the finite volume method to solve the Euler equation for the flow field outside the body, and use the finite volume method for the flow field inside the inlet. By solving the N-S equation, you can obtain more typical inlet performance data."
 Chang Haonan saved the model file and opened fluent to prepare for the next step.
 For grid generation of complex shapes, partitioned structured grids or overall unstructured grids can be used. The partitioned structured grids have high computational efficiency, but the degree of automation of grid generation is low, while the characteristics of unstructured grids are opposite.
 As a "scientific research tutor", the system naturally taught Chang Haonan all these two technologies, but the latter needed to choose one of them to output to the computer in front of him.
 Although the new version of the software in 1996 can already divide the grid, the function is not very complete. Considering that the performance of computers in this era is still slightly different from that of more than 20 years later, Chang Haonan finally chose a computer with higher computational efficiency. former.
 "Unit No. 27, it's time for you guys to board the computer again. This time..." At this critical moment, the computer room teacher's voice came from the door again, and this time they no longer had another student ID card to use. .
 "Use mine."
 A cold female voice sounded from the row behind Chang Haonan. Several people turned around and saw a tall girl with long hair shawl, wearing a light blue dress and round glasses stood up and handed over a certificate with a red cover. He handed it to the computer room teacher: "I got off the plane here, and it's theirs after that."
 That certificate was obviously unusual. The computer room teacher just glanced at it and turned around and walked out of the computer room without even writing anything down in the notebook in his hand.
 "Thanks……"
 After all, he was a big help, so after the computer room teacher left, Chang Haonan quickly expressed his thanks, but after he spoke, he was not sure whether the other person was a teacher or a student.
 "Yao Mengna, a second-year Ph.D. student, should be considered your senior."
 While Yao Mengna made a brief self-introduction, she left the computer she had just used and came to the side of Chang Haonan and the others: "As long as you don't get off the computer, you can keep using this computer. You don't have to worry about anyone disturbing you anymore."
 "Thank you so much, senior sister, we..."
 Wu Yifan thanked him with a smile on his face, but he was interrupted in the middle of his words: "It's okay, I just want to see how you plan to continue. Are you going to conduct a fluid dynamics simulation on the entire machine?"
 Obviously Yao Mengna was also interested in the modeling that Chang Haonan was doing, but because the four people spoke in very low voices just now, she could not hear the specific content clearly.
 Chang Haonan nodded: "Yes, I am going to use Fluent to numerically solve the fully viscous Nevi-Stokes equation."
 Yao Mengna's eyes widened slightly after hearing this answer.
 She really hadn't thought about these people, or that this one who looked like an undergraduate was going to play so big - she had noticed these people in the row in front of her just now, and naturally knew that all the work was done by sitting at the computer. The person in front completed it.
 In fact, even Yao Mengna, who is in the second year of her Ph.D., has only just begun to gradually come into contact with computational fluid dynamics (CFD) simulations of aircraft.
 "You don't mind if I watch from the side, right?" Although Yao Mengna used a questioning tone, she sat on a chair next to Chang Haonan before Chang Haonan could answer: "Maybe I can still be of some help."
 Although she said that, Yao Mengna herself didn't actually have a particularly clear idea. She mainly wanted to find some inspiration through Chang Haonan's approach. At this time, digital design and computer simulation are still new things to aviation designers across China.
 While the two were talking, Chang Haonan had imported the just-completed modeling into Fluent and started meshing the finite volume method.
 "Ah……"
 Then came his moment to perform.
 Fluent in this era does not yet have a beautiful graphical interface and a large number of preset models that can be directly called. Especially for complex simulations such as supersonic fluid dynamics, it can only complete part of it.
 But this does not stump Chang Haonan, who already knows all the next steps.
 Since the existing software can only complete part of the work, use Fortran language to write an algorithm for numerical solutions to partial differential equations.
 Then call external programs to operate Fluent to complete the lazy part, and then use scripts to realize automated operations.
 Yao Mengna, who was watching from the side, had a relatively relaxed attitude at first, but after just closing her eyes and yawning, she realized that she could no longer keep up with her thoughts.
 In particular, Chang Haonan's code input speed almost took off, leaving her with no time to clearly see the function of each piece of code, let alone write down the entire process.
 "that……"
 Yao Mengna spoke hesitantly, wanting to ask Chang Haonan about his specific numerical simulation ideas, but for a moment she couldn't bear to ask the undergraduate question directly, so she had to use a more euphemistic way of saying it.
 "Can we agree on our thinking? My ideas seem a little different from yours?"
 "Okay, tell me your thoughts first, and I'll see if there are any problems."
 Chang Haonan was completely immersed in work again, and he had only been reborn for a few hours, so he subconsciously thought that he was still leading interns in the research institute.
 "ah?"
 Yao Mengna almost broke her guard with one sentence.
 No, why do you want to see if there is any problem?
 Do you really think of yourself as the standard answer?
 Are you so confident?
 And most importantly...
 She couldn't think of a complete idea at all!
 Yao Mengna took several deep breaths in succession and patted her chest again before she could catch her breath.
 "No... no need, just tell me what you think and I will compare it myself."
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 Chang Haonan, a military worker in 2023, was reborn and returned to 1996, his college days. 
 In this darkest moment before China's military industry took off, he obtained a [scientific research guidance system] that was comparable to the strongest mentor. 
 Starting from improving a fighter jet, we embarked on a completely different scientific research path from the previous life. 
 Aviation engines, phased array radars, nuclear-powered aircraft carriers, advanced semiconductors... 
 These are just the beginning. 
 The desert turns into an oasis, the natural chasm turns into a thoroughfare, the moon is caught in the sky, and turtles are caught in the five oceans. 
 These are not the end either. 
 [System: Some people say that it is better to teach a man how to fish than to teach him how to fish. I am different. 】 
 [Chang Haonan:? ? ? 】 
 [System: I can give them all. 】
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 In the year 2139, the world changed. Fundamentally and irrevocably.
 Everything happened too quickly. The sky cracked like an egg and armored dinosaur-like monsters lurched out of the fissure. The split, though small at first, quickly widened. Within a few short hours, these beasts had overrun the world.
 Countries, even those who had been enemies for centuries, sounded a global alarm. Political differences were cast aside as humans scrambled to find a solution—any solution—to what became known as the Great Disaster 1.0.
 Human experimentations began, first in reluctance, then in earnest. As days turned into weeks and weeks into months, failure rates remained high. Desperate for results, global authorities started turning a blind eye to how experimental subjects were sourced.
 Countless victims were kidnapped and trafficked to state-run laboratories. Shi Tian was but one of them. But unlike those who died nameless, in pain, and unrecognizable, he had the fortune of surviving after being injected with humanity’s last hope—an integrated chip.
 Except… the chip remained dormant. It seemed that certain circumstances must be met before the chip could be activated. What those circumstances were, even the scientists in charge could not answer.
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 Having a rough life growing up, Wang Tong had numerous dreams of living a better life. However, his alcoholic foster father sells him off as a space settler of the distant planet Norton for some pocket change. Soon after his arrival, the Zergs overran the planet and obliterated its defenses in a matter of minutes. What awaited Tong on Norton was more than just an unbearable environment – its gravity alone was five-times stronger than earth – there were also swarms of bugs, constant hunger, thirst, and desolation.
 While he lives a year of total carnage and survival, humanity’s Confederation eventually overcomes the Zergs on Norton and the powerful survivor Wang Tong is given a recommendation to a once famous, but now dying military academy where he begins his life anew.
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 “In a land far to the east, there exists a strange store that has rejected a three Michelin star rating multiple times.
 The prices are expensive. A combo set of soup and egg fried rice costs 288 RMB. Oh, I forgot it also includes a side dish of pickles. Even so, very many people line up to wait.
 That place does not accept reservations. It only lets in people who are waiting in line there. Countless people make special trips to line up there. Of course, there’s nowhere to park planes or cars.
 Their service is so terrible, the customers have to serve their own dishes and grab their own bowls and chopsticks, and they even have to wipe down their own tables! God, the boss is simply crazy.”
 —《 Michelin Gourmet Magazine》
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 [Black Technology] [Artificial God] Where is the end of a black technology company? 
 Lu Xingye, who was watching a movie, accidentally discovered that he could break the two-dimensional barrier and take out items from the movie world. From then on, an uncontrollable ambition grew from the bottom of my heart. 
 Establish Tunhuo Technology to manufacture smartphone chips and break the technological bottleneck. 
 AR virtual reality, develop the second world, and enter the gaming industry. 
 Manufacture maglev cars and monopolize the automobile industry. 
 Build a "Hive" base, an arms fortress, and monopolize the military industry. 
 Human refrigeration plan, end-of-life plan, biological plan, longevity plan... 
 … 
 When Lu Xingye's company became the number one force in the world, the world's big guys were shocked: 
 "I...??? Where do these black technologies come from?" 
 "Please be a human being! Kyushu's technology is already strong enough." 
 … 
 However, no one knows where the end of a black technology company will be? Umbrella company? Stark Industries? 
 No. 
 These were just the beginning of tunnel fire technology. In the end, Lu Xingye created a technological myth and collective technology soared. 
 Take out the steel suit from the world of "Iron Man" and use your mortal body to rival the gods. 
 Take out NZT-48 from the world of "Never End", increase your brain potential, and reach God's forbidden area. 
 Take out the elixir of life, establish an immortality club, and live forever. 
 …
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 When Feng Yi encountered setbacks in his business and was in trouble, his great-aunt's personal butler came to him with a huge inheritance. 
 Feng Yi: "There are so many peers, why did she leave it to me?" 
 Butler: "You are the most lovable." 
 Feng Yi touched his awl face: "She has such good taste!" 
 However, after inheriting the inheritance, everything went wrong. 
 ———— 
 Strong? Handsome? Crazy? Is it awesome? 
 Exchanged for IQ (bushi).
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 Traveling through a parallel world, Chu Yi has become the most powerful black tech skirt owner. As long as he increases his prestige, he can upgrade the skirt chat, and he can even invite the black tech bigwigs of all worlds to join the skirt chat! ! !
 Tony Stark, Vega Punk, Red Queen, Halliday, Big White! ! !
 Across film and television, animation, all worlds.
 There are more black technology bigwigs such as Batman, Peter Parker, Jarvis, etc., begging to join!
 Star mobile phone, alien car, Kuafu aircraft carrier! ! !
 Resurrection of ancient creatures, virtual reality world, complete cure of cancer, nano age, Internet of everything! ! !
 Tony Stark: Strong support for skirt master women's clothing, send a full set of steel battle suit drawings
 Red Queen: Learn about the latest t virus
 Begapunk: pretend like the wind, often accompanied by the skirt master
 Peter Parker: So what do I get? Can make the skirt master women's clothing, online, etc., urgent!
 Ding! All Mute Mode is on!
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 It was the year when Ji Yuezhi differentiated.
 Everyone had expected that the only son of the Ji family would differentiate into an alpha like his rival Zuo Luohuan. After all, Ji Yuezhi excelled in school, was good at fighting, had a tall stature, and exhibited traits typical of alphas before differentiation, yet he had ended up differentiating into an omega.
 Those who supported Ji Yuezhi: Gender doesn’t matter, it’s already 9432, omegas can be independent, self-sufficient and fight in war. Schoolmate Ji’s grades are outstanding, his prospects won’t be worse than those rotten alphas.
 After differentiation, the budding alphas, omegas and betas will have to reschedule classes. Following the Affirmative Action Movement, omegas and betas can choose to take the same classes as alphas, such as marksmanship and fighting……
 Everyone was waiting for Ji Yuezhi to take the alphas’ curriculum and f*ck over the alphas but instead he chose to follow a typical omega’s curriculum: “The Art of Flower Arrangement”, “How to Keep a Small Cozy Home”, etc.
 He even chose “Yoga Class for Omegas”! That’s a course that specializes in training flexibility for an omega’s body!!!
 No one knew that Ji Yuezhi had someone in mind, and that someone was a female alpha. For the sake of a compatible cohabitation in the future, he planned to gradually transform himself into an O, ideally the kind of omega that emits a pleasant, sweet scent, is traditional and stays at home.
 Many years later, the Federation’s strongest female alpha Zuo Luohuan, only obeyed the words of one person, and that person was none other than Ji Yuezhi.
 Everyone saw the light: This is rich, really rich! Ji Yuezhi is truly worthy of his title, number one in the Department of Strategy. He realized that differentiating into an alpha may not necessarily allow him to beat Zuo Luohan, so back then, he chose to differentiate into an omega to seduce her.
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 Kang Chi was originally just a maintenance worker, but suddenly got the "item upgrade system". 
 As long as you make it yourself, you can upgrade it! 
 "It's a little unrealistic to rub an aircraft carrier with your hands for the time being, but isn't it easy to rub a lens?" 
 So starting from rubbing the lens by hand, far-leading technologies were introduced one after another. 
 "What do you think is a strong country?" 
 "The enemy retreated thousands of miles and did not dare to cross the pond." 
 “People all over the world are learning Chinese, translating Chinese papers, and reading instructions are all in Chinese characters.” 
 "I am a street sweeper. All I know is that Master Kang has made things cheaper for us, and we can never spend all the money we have. Everyone is happy, so with him, the country is strong!"
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 Let go of your burden and chase the footsteps of your predecessors from the shadow.
 Blinded in the past life, hence train the body to locate enemy by sound.
 Upon rebirth, using the future information, obtain the best equipment! Purgatory transcript on strategy! The strongest thief skills!
 With a dagger in my hands, slaughter the world of those who oppose me.
 Traditions does not die only fade away
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 The universe is vast, the particles are microscopic, the speed of rockets, the ingenuity of chemical engineering, the changes in the earth, the mysteries of living things, and the complexity of daily necessities. Mathematics is used everywhere. 
 Mathematics and aerospace, mathematics and national defense and security, mathematics and biomedicine; 
 Mathematics and information technology, mathematics and energy, mathematics and ocean; 
 Mathematics and artificial intelligence, mathematics and advanced manufacturing, 
 Mathematics and the sea of stars! 
 "If the 19th century was the century of mathematics in the West and the 20th century was the century of mathematics in China, then the 21st century must be our century of mathematics. We can firmly tell the world that we are back." 
 “Technology changes the world, and mathematics changes technology.” 
 "Competition between countries is not so much a competition of scientific and technological strength, but rather a competition of mathematical talents. In today's world, we will definitely be a super power in mathematics and a super power in science and technology!" 
 This is a story from a controversial, tormented, and experienced rural subject-matter to a chief academician. 
 The new book "Academician of a Great Power: Being Defamated and Secretly Photographed on the Subway at the Beginning". This book has a high order volume of 16,000 and has won the "Science Fiction Bestseller Award" from Qidian. The quality is guaranteed.
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 The moment the earth exploded, the fear of death finally turned into physical suffering, and the pain of being burned was imprinted in the deepest part of Yang Ming's memory. 
 "The universe is the abyss." 
 Yang Ming whispered in the starlight. 
 [PS: Non-game text, there will be a complete logical explanation in the early game setting mid-term. Change the track and start again. It is not the style of the past, so I will not promote it in old books. Just read me as a newcomer. I am new to interstellar sci-fi, and welcome to correct me in detail. There is already a short story seriously sci-fi-oriented "Afterglow", and sci-fi readers can check the goods first. 】
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 Introduction to the first version: 
 Mu Cang traveled to a modern city in a parallel time and space where the spiritual energy was about to revive, and activated the infinite attribute system. 
 Since then, the strength of his physique and soul has doubled every day. 
 On the first day, his physical fitness was close to the limit of human beings. 
 On the tenth day, he casually fanned away the heavy assault tanks that were rushing towards him. 
 On the thirtieth day, he stepped on the ground and the city collapsed. 
 On the sixtieth day, he punched the planetary plates and shattered them, and trillions of tons of magma erupted. 
 … 
 On the Nth day, Mu Cang sat cross-legged in the depths of the starry sky. With just a slight raise of his eyes, he blew up a huge cosmic void spanning tens of billions of light years. 
 Exponential explosion, so terrifying. 
 "Everyone scolds Azu, and everyone wants to be Azu. 
 I just want to be the ancestor of the entire universe, and even the entire multiverse!" 
 … 
 Introduction to the advanced version: 
 Exponential growth? Oh, it's too small. 
 When it is strong enough, the system will also be a thorn that hinders progress. 
 So... crush it! 
 Level 1 operation: addition N+N 
 Level 2 operation: multiplication N×N 
 Level 3 operation: exponentiation N^N 
 Level 4 operation: power tower N^N^N^N^N... 
 Level 5, level 6, level 7...level 100...level 10,000...level 100 million... 
 G1...Greeheng number...TREE(3)...SCG(3)... 
 My attributes will definitely reach that...true infinity! 
 PS: This book is about the technology and super-weapon route. System assistance is just the beginning. Only knowledge and will are the foundation of true strength.
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The military-industrial scientific research system of the academic master

Chapter 2 Computational Fluid Dynamics Simulation

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The military-industrial scientific research system of the academic master

Chapter 2 Computational Fluid Dynamics Simulation

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