Epyriel
He/Him- 355
- 442
I recently updated this calculation of an explosion shown in the Demon Slayer anime.
Two CGMs have outlying concerns that they don't seem interested in revisiting, so I have created this thread hoping to get insight from other CGMs to get the calculation accepted.
I shall leave the concern of who actually scales to the explosion for an actual CRT, but I would like the actual explosive yield resolved.
Concern 1: Anime/Manga Differences
The first concern from Armorchompy was that the anime version was different from the manga. Not really a calc matter but I will quickly address it anyways. For the manga we get only three panels of the explosion, an initial detonation shot of the explosion being triggered, a reaction panel of the explosion as seen from the Hashira, and a far shot of the fire from the explosion from the mountain side.
The calculation was performed based off the maximum extent of the explosion fireball as seen in the reaction shots from the anime (in particular, Sanemi's as his includes the compound wall which can be used as a reference).
The reaction shots in the anime are nearly identical to those in the manga:
Anime Giyu + Tanjiro vs Manga Giyu + Tanjiro
Anime Mitsuri vs Manga Mitsuri
Anime Sanemi vs Manga Sanemi
Anime Shinobu vs Manga Shinobu
Anime Obanai vs Manga Obanai
Anime Muichiro vs Manga Muichiro
Seeing as the reaction shots are very faithfully adapted into the anime, including the size of the fireball as seen in the Giyu + Tanjiro and Muichiro shots, I don't think anything is contradicted here.
Concern 2: Smoke
The second concern brought up by Dark-Carioca was the fireball was not an actual explosion fireball because it contained smoke.
This seems to me an erroneous concern, as it is only in Hollywood scenes that you get explosions devoid of smoke intermixed in the fireball itself. For comparison, here is a real world analysis of the Beirut explosion which is of comparable yield (600 tonnes of TNT equivalent). Ignore the pre-existing grey column of smoke from a prior tire fire, and notice how in the course of the explosion itself black smokes is intermixed with the fireball. Or more directly, here is a video of a pure 100 tonnes of TNT explosion in which smoke is visible throughout the course of the explosion.
Concern 3: Fireball
The third concern brought up by Dark-Carioca was that the fireball radius was too large, which has been addressed with a more conservative approximation:
Initial Model vs New Conservative Model
Two CGMs have outlying concerns that they don't seem interested in revisiting, so I have created this thread hoping to get insight from other CGMs to get the calculation accepted.
I shall leave the concern of who actually scales to the explosion for an actual CRT, but I would like the actual explosive yield resolved.
Concern 1: Anime/Manga Differences
The first concern from Armorchompy was that the anime version was different from the manga. Not really a calc matter but I will quickly address it anyways. For the manga we get only three panels of the explosion, an initial detonation shot of the explosion being triggered, a reaction panel of the explosion as seen from the Hashira, and a far shot of the fire from the explosion from the mountain side.
The calculation was performed based off the maximum extent of the explosion fireball as seen in the reaction shots from the anime (in particular, Sanemi's as his includes the compound wall which can be used as a reference).
The reaction shots in the anime are nearly identical to those in the manga:
Anime Giyu + Tanjiro vs Manga Giyu + Tanjiro
Anime Mitsuri vs Manga Mitsuri
Anime Sanemi vs Manga Sanemi
Anime Shinobu vs Manga Shinobu
Anime Obanai vs Manga Obanai
Anime Muichiro vs Manga Muichiro
Seeing as the reaction shots are very faithfully adapted into the anime, including the size of the fireball as seen in the Giyu + Tanjiro and Muichiro shots, I don't think anything is contradicted here.
Concern 2: Smoke
The second concern brought up by Dark-Carioca was the fireball was not an actual explosion fireball because it contained smoke.
This seems to me an erroneous concern, as it is only in Hollywood scenes that you get explosions devoid of smoke intermixed in the fireball itself. For comparison, here is a real world analysis of the Beirut explosion which is of comparable yield (600 tonnes of TNT equivalent). Ignore the pre-existing grey column of smoke from a prior tire fire, and notice how in the course of the explosion itself black smokes is intermixed with the fireball. Or more directly, here is a video of a pure 100 tonnes of TNT explosion in which smoke is visible throughout the course of the explosion.
Concern 3: Fireball
The third concern brought up by Dark-Carioca was that the fireball radius was too large, which has been addressed with a more conservative approximation:
Initial Model vs New Conservative Model
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