In the era when human beings haven't introduced computer-aided design technology, fighters have been engaged in war since World War I, and in order to achieve certain performance, they began to pursue their shape design unremittingly, because the disciplines involving fighters such as aerodynamics, aviation structural mechanics, flight mechanics and engineering materials science were still in a simple bionic and subjective stage, which was lower than now. Compared with modern times, when powerful computer CAD technology is integrated into the micro and fine design stage, due to the low technical level, the gap between countries is not big, and the appearance is mostly similar or almost the same, such as the famous "Red Baron" and camel in World War I, the fire-breathing and Messerschmitt in World War II, and even the MIG 15 and sabre in the early jet age. This phenomenon continued until the mid-1960s when computer technology flourished. American fighter planes, which are in the leading position in the application of computer technology, began to show exquisite and sleek characteristics, which are very different from Soviet fighters at the same time. MiG 19, MiG 2 1, F4 ghost, etc. Are representatives of that era. In addition to their respective tactical requirements, the characteristics of LZ's questions have also begun to appear, and it is obvious.
As the world's recognized first power in computer and software development, the United States has continuously improved its computer-aided design technology by summing up a lot of experience in local wars. Ironically, as the first stealth fighter F 1 17 put into service in the world, the original idea of its aided design software came from a paper on acoustic reflection simulation software by a Soviet scientist. . . . . .
Finally, from a straightforward point of view, for example, if LZ has been exposed to 3D software or some games that require high computers, it can be found that the smoother the arc modeling or rendering, the longer it takes, the smoother or finer the game, and the faster the game runs. The direct consequences are polygonal wheels and rough lines. . . . . .
Therefore, I personally think that this difference in details between American and Soviet fighters is caused by the gap in computer and software development technology, so now some people are questioning that the Russian fifth-generation fighters, which debuted nearly 10 years later than F22, are a bit fake. I think this is a large part of the reason.
I hope I can help you!