In the office, looking at the model that Zhao Guoyang built casually, Xia Qingshan and his two deputy were shocked.

"Researcher Zhao, what should we do if we find that there are too large deformation or too large loads in the calculation process?" Xia Qingshan suddenly remembered something and asked hurriedly.

Zhao Guoyang made a gesture to indicate to Minister Xia to be calm.

Then, he circled two circles on the frame support beam and the top beam on the original body structure diagram, and explained patiently.

"Minister Xia, when the problem you mentioned appears, you need to change the cross-sectional form of the local beam. That is to say, adjust the deformation amount and stress by changing the cross-sectional coefficient."

"For example, we might as well make some local changes in the two places I drew in the picture..."

While Zhao Guoyang was explaining, he had already started drawing on CAD.

Seeing Zhao Guoyang changing the originally hard and heavy top beam and longitudinal beam into a hollow cross-sectional shape, not only Xia Qingshan and his two deputy, but also Wang Ziqing and Lu Zhixing were a little surprised.

After coughing, Wang Ziqing asked, "Well, Guoyang, I'll break it. If the two beams you changed have become hollow, will the strength affect? ​​"

Zhao Guoyang paused for a moment and said with a smile: "Mr. Wang, don't worry, there will be no problems you are worried about."

"These two beams now look hollow tubular, but when they are designed later, they need to add filler materials."

Speaking of this, Zhao Guoyang explained casually: "In order to effectively protect the safety of passengers, when designing the body structure of the whole vehicle, we should comply with the principle of soft and hard at both ends."

"We must ensure that when a longitudinal collision occurs, the front or rear part of the vehicle body absorbs more than 80% of the collision energy. I am now modifying the shape and structure of these two beams based on this principle."

Wang Ziqing nodded repeatedly by Zhao Guoyang's explanation, quite convinced.

Xia Qingshan seemed to have some things that he couldn't understand about Zhao Guoyang's modification, so he couldn't help asking: "Researcher Zhao, I have no doubt about your change in shape."

"Just... I just adjusted the design of this beam, which really ensures that the front and rear parts of the car body can absorb enough energy during collision?"

Zhao Guoyang waved his hand and gestured: "This is necessary. Generally speaking, when a vehicle collided longitudinally, 70% of its energy was absorbed by the longitudinal beam of the vehicle body."

"I have now changed the shape of the longitudinal beam to turn it into a hollow and filled structure. When colliding, I can rely on the local deformation of this piece to absorb energy, thereby reducing the possibility of deformation of the central occupant position."

Chen Qian, who was standing by, seemed to have figured out something and slapped his head hard: "I understand, Researcher Zhao, you designed the top beam and the longitudinal beam as hollow, so that when colliding, it can be easier to rely on the partial bend or partial wrinkles of the longitudinal beam to improve its ability to absorb energy."

Zhao Guoyang said "yes", nodded and said, "That's right, that's the reason."

The few people here are all people with solid professional foundations.

After Zhao Guoyang's in-depth and easy-to-understand explanation, they naturally could understand it.

After seeing Zhao Guoyang gradually completed the design of the two beams, there were rippling colors in the eyes of Wang Ziqing and Lu Zhixing.

A few minutes later, Zhao Guoyang slowly moved his hand away from the keyboard.

He pointed to the completed design of the two beams and turned to Xia Qingshan and said, "Minister Xia, this is probably the case with the appearance structure of the longitudinal beam and the top beam."

"In the future, your technical department will only need to improve it slightly and verify its carrying capacity, and it will be fine!"

Xia Qingshan's eyes were fixed on Zhao Guoyang's new design at this time, and he only woke up after being reminded by him.

"Ah! OK! Thank you so much for Researcher Zhao for your help, thank you!"

Zhao Guoyang waved his hand unconsciously, glanced at the front of the car body, and reminded him: "In addition, Minister Xia. When designing passenger cars, 50-80cm of space should be reserved at the front and rear of the car body for deformation."

"Compared with the Apennines' 'Deepic' series, our Iveco is obviously not enough at this point..."

When Zhao Guoyang said this, Feng Shanwei, who was standing beside him, quickly picked up his own drawings and compared them with the "de-speaking" appearance.

Indeed, although the total lengths of the two cars are similar, they are obviously better in terms of the reserved space in front and rear of the car body.

After seeing the drawings, everyone suddenly realized that the reason why they always felt that the structure of this car was not round and free enough, and did not pay attention to the reserved space was also an important reason.

Just as everyone was sighing, Zhao Guoyang spent a few more strokes on the wheel cover of CAD, then stood up and gave up the computer-controlled position.

Looking at the strokes drawn by Zhao Guoyang with "thick dots and lines", Lu Zhixing asked in confusion: "Researcher Zhao, is there any problem with the design of the wheel cover?"

Zhao Guoyang smiled and waved his hand and said, "No, no, Mr. Lu, you misunderstood. There is generally no problem with the design of this part, but it can be better in terms of material selection."

"After all, when a car crashes, 30% of its energy is absorbed by the wheel cover. Therefore, its connection with the floor and the longitudinal beam needs to be particularly strengthened..."

After hearing Zhao Guoyang's reminder, Xia Qingshan signaled Chen Qian to go over and follow his ideas to re-correct it. It was not until Zhao Guoyang smiled and nodded, and then stopped.

Seeing the re-rected body structure diagram, Zhao Guoyang looked at the car with his chin for a few times and said, "Well, after these changes, some small defects in the previous body design should be basically compensated. I can be considered as fulfilling my mission..."

When Zhao Guoyang said this, everyone nodded repeatedly and agreed.

Wang Ziqing patted his shoulder intimately and said, "Not only that, I think the beauty of the car body has also improved a lot compared to before. Guoyang, thank you!"

Lu Zhixing looked at Zhao Guoyang with bright eyes for a while, shook his head and sighed: "What a pity, our factory is one step late, and now we can't dig up Researcher Zhao..."

"Yes, if Zhao Yan joined our company, I would rather help him!" Xia Qingshan also continued very seriously.

Chen Qian and Feng Shanwei looked at each other and agreed with Minister Xia's point of view.

Wang received the final reply from Zhao Guoyang since the early morning to poach people. Of course, he knew that things should not be done.

Therefore, when everyone was feeling the emotion, he waved his hand and opened the topic: "Okay, let's not make things difficult for Guoyang. After all, he is still a 'special researcher' of our Jinling Automobile Group Company."

"But Guoyang! You have to be hardworking when you come to our company in the future. If you come here earlier, our first generation Iveco might be even more popular than it is now!"

Faced with the "threat" of Mr. Wang, Zhao Guoyang could only scratch his head and agreed.

In just one hour, Zhao Guoyang solved the problem that Jinling Automobile Group Company could not solve in two or three months.

This result made Lu Zhixing, Xia Qingshan and others unexpected, and also made them admire this "Researcher Zhao" a little more.

As for Wang Ziqing, he was the one who knew Zhao Guoyang the most deeply.

If he hadn't firmly believed in Zhao Guoyang's ability, he wouldn't have forced Zhao Guoyang to take this trip.

"Okay, the problem that has been entangled with our company for so long has finally been solved. We have nothing to thank Guoyang, so I'll treat him to a meal!" Wang Ziqing said happily.

When Lu Zhixing heard this, he immediately smiled and agreed.

He turned to look at Xia Qingshan, Chen Qian and Feng Shanwei and said, "Minister Xia, Chen Qian, Shanwei, at noon today, you three must respect our Researcher Zhao. Thank him, do you know?"

"I understand! Mr. Lu, don't worry, we three will definitely accompany Researcher Zhao!" Xia Qingshan smiled heartily and answered repeatedly.

Seeing that it was still early to have lunch, Wang Ziqing and Lu Zhixing discussed it and invited Zhao Guoyang to go to the newly built test yard of the company.

The test yard is also under the technical management, so Minister Xia Qingshan naturally has to accompany him.

He and Chen Qian and Feng Shanwei explained a few words, and then led the way.

After arriving at the test yard, Zhao Guoyang looked at the somewhat simple venue and was a little silent.

Indeed, compared with the test yard of Songqi Group, the test yard of Jinling Automobile Group is much worse than the advanced level of the test yard of Songqi Group.

Of course, it is even worse than the test yard of the "Volkswagen Latin American Automobile Company" he saw in Sao Paulo.

Wang Ziqing, who was standing aside, also saw the strange look on Zhao Guoyang's face and said frankly: "Guoyang, why do you think the scale of our company's test yard is too small?"

When he looked at Lu Zhixing in surprise, Wang Ziqing explained to him: "Mr. Lu, you may not know that Guoyang has not only been to Songqi Group, but also visited the Latin American branch of Volkswagen Company."

"So, he naturally doesn't like our test car park."

After hearing this, Lu Zhixing suddenly realized: "Ah, no wonder..."

Listening to Chairman Wang's teasing words, Zhao Guoyang waved his hand quickly and signaled that he had no intention.

After all, Wang Ziqing was the top leader of the Provincial Machinery Working Committee. He took this opportunity to sigh: "Speaking of this, our country used to test the whole vehicle roads because of the harsh conditions, and basically used the existing national highways and domestic natural conditions to conduct vehicle tests."
Chapter completed!