Chapter 1375 What is that?

Only after the camouflage work was completed did they resume the survey of the hit effects.

In order to ensure the greatest possible restoration, the concrete target used in this simulation is not just an empty shell, but a small but fully equipped underground building, but the corresponding equipment is not installed due to cost considerations.

Therefore, relying solely on the parameters given by the sensor is not sufficient to accurately feedback the destructive effect.

Real optical images are also needed.

“I really want to go down and see it with my own eyes.”

While Ai Xiaofeng was sorting out the dozens of meters long signal transmission cables at hand, he couldn't help but look down.

His voice echoed sparsely in the deep cavity that was dozens of meters long.

"Don't mess around. Who knows what's going on down there?"

Wang Hongrang also knew that the other party was just talking casually. If one did not learn some ways to entertain himself while staying in this deserted Gobi Desert for a long time, it would be easy to drive one crazy.

But today, there are two young men who just graduated from military academy following me, so I can’t be as irresponsible as before.

These rookies have not yet fully realized the seriousness of their work. If they take a joke seriously, it will be difficult to correct it in the future.

Knowing that he was in the wrong, Ai Xiaofeng said nothing more. He just shrank his neck and continued to work.

The work deep underground is naturally done by robots, but they are not high-end models. They are just small cars with a three-degree-of-freedom camera on the head and wheels with a diameter higher than the body.

It is specially used to drill into places that some people cannot enter or are inconvenient to enter.

The signal line just now is used to control and transmit power.

The technicians at the shooting range were already familiar with this and quickly assembled the entire set of equipment and dropped it into the gap created by the waverider at a speed of 10 Mach.

As the searchlight linked to the camera was turned on, many details that were previously unable to be seen clearly due to insufficient light were finally revealed to everyone.

"This is even more exaggerated than the calculation result transmitted by Political Commissar Qiu..."

Ai Xiaofeng muttered to himself as he stared at the picture on the screen.

Of course, the sound was transmitted to everyone through the communication system.

"Not surprisingly."

Zhang Wenming, the technical team leader who is in charge of controlling the robot, explained:

"The CDEM model that uses sensor parameters to infer damage results is essentially an explicit numerical method that couples finite elements and discrete elements. Our country has never conducted actual penetration tests of this level before, and can only rely on data that is one or even several orders of magnitude smaller as a reference. Not to mention Political Commissar Qiu, even if we invite Academician Chang, he may not be able to get it right..."

"Isn't Academician Chang the one who is responsible for designing hypersonic weapons?"

Ai Xiaofeng was a little dumbfounded:

"He still understands this?"

Zhang Wenming didn't even raise his head:

"In fact, numerical theory may be the part he is best at, and the rest can only be considered as a side job..."

There was a moment of silence in the communication system.

Until more than one person uttered the same particle:

"grass……"

As he spoke, Zhang Wenming controlled the car to make a beautiful 360° rotation and recorded the current depth of concrete crushing.

The robot originally had a dedicated controller, but the operating habits were too anti-human, so feedback was given to the manufacturer, and finally an external game console control handle was connected to the robot.

Everyone then stopped chatting and began to conduct a preliminary analysis of the image results:

"The dense fracture zone near the invasion channel is mainly caused by strong extrusion, and the crack type produced is compression shear crack. The radial cracks on the upper surface of the target and the crack network on the outer wall are mainly caused by the compressive stress generated during the invasion of the earth-penetrating bomb, which is reflected on the free surface to generate tensile stress. The crack type produced is tensile crack..."

Although Ai Xiaofeng was always talking, his professionalism was beyond reproach. He quickly recorded his own conclusions via voice:

“Remember to collect some samples here when you come back later to analyze the overall cracking of the concrete at different depths.”

This small car does not have complex structures such as robotic arms, but it can perform simple sampling work with a bucket-like design.

About 10 minutes later, Zhang Wenming finally manipulated the robot through the winding penetration channel caused by the collapse effect, and entered the semi-collapsed simulated underground fortifications.

"It really is completely penetrated... The main structure has been destroyed by at least 60%, and the protection system and support supply system have been completely destroyed."

As he spoke, he adjusted the searchlight and shone it towards the only relatively intact corner of the entire underground space.

But if you look closely, you will find that the radial cracks are still spreading forward, and even occasionally there are clusters of concrete fragments falling.

"The stress release in the ground caused by the overpressure shock wave will last for a long time."

He slowly moved the focus of the searchlight:

"If this is a real underground command post, even if part of the main structure survives, the lucky ones who escaped the first attack will have no chance of survival because they cannot be rescued and have lost their life support systems..."

Zhang Wenming imagined the scene he described and couldn't help feeling a chill down his spine.

He subconsciously wanted to raise his hand to touch the back of his head, but because of the heavy protective clothing, he couldn't reach it at all, so he had to stop in mid-air with a little embarrassment.

After a short silence, he continued:

"The actual warhead will also carry explosives, causing a secondary explosion inside the fortifications, which can basically be considered 100% guaranteed to destroy them... and if we consider a complete penetration-explosion process, it is not impossible to break through deeper concrete layers, or even the granite layer that makes up the entire mountain."

The specificity of this description is very clear.

Moreover, his thoughts were almost exactly the same as what Wang Hongrang had just thought.

"The penetration explosion principles of rock and concrete layers are not consistent, so we cannot draw such a conclusion for the time being."

The latter first raised a rebuttal, but then changed the subject:

"But no matter how strong the fortifications are, they are not invulnerable. Places like ventilation shafts and escape passages will always be weak. With the accuracy of the 'Xuan Niao', it should be accurate enough to hit a specific part..."

In fact, there is a white cross line drawn in the center of this 60*100 meter target.

But because it is too close to the impact point, it is difficult to see clearly now.

"And I estimated that from the last time the Black Bird changed its trajectory to the time it hit the target, there were only a few dozen seconds. Even if the personnel in the underground fortifications received an early warning, they would not have enough time to complete the transfer."

"Ok?"

Hearing this, Ai Xiaofeng, who was collecting shrapnel debris not far away, suddenly realized something:

"Director, didn't you see what happened when the bullet hit the ground?"

Wang Hongrang chuckled:

"I never said..."

"Also, I'll tell you a secret. There is actually an optical periscope in the underground control center with a very wide field of view..."

"..."

"what?"

……

When the damage analysis results were transmitted to the Dingxin Base, the leaders who had stayed up all night were already preparing to return to the capital.

Before takeoff, Chang Haonan rushed and finally delivered the report to the cabin.

When the leader saw that "the life support system has been completely destroyed and it is impossible for anyone to survive", a complicated expression appeared on his face.

He opened his mouth several times, as if he wanted to ask something.

But in the end he didn't say a word. He just silently handed the report back to Chang Haonan, then turned and looked out the porthole.

By chance, I saw a pile of scaffolding being built in the distance.

The equipment that can be verified at the Dingxin Base is undoubtedly important, but it is impossible to report every detail to the highest decision-making level.

He went over in his mind all the projects he had approved for Chang Haonan in the past two years, but he couldn't think of anything that looked like a square box and required scaffolding to build.

I don't know if I wanted to change the subject or I was really curious, but I raised my hand and pointed in the direction of my sight:

"Comrade Haonan, what's that over there?"

Chang Haonan looked in the direction:

"Oh, it's a principle verification machine for the electromagnetic catapult system developed in cooperation with the Naval University of Engineering. It uses magnetic fluid to generate electricity instead of capacitors to supply energy."

The leader's expression changed at that moment.

That probably means -

I have read a lot of books, you can't fool me. Whose electromagnetic catapult system looks like this?

Chang Haonan could also see the other party's confusion and quickly explained:

"It's a proof of principle... Electromagnetic catapult, after all, is to use electromagnetic force to launch an object."

"So in order to save costs and shorten the cycle, we first used the same principle to build an electromagnetic cannon..."