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New profile posts

Hello, I have a question about the usage of depth-to-Diameter (d/D) ratios to calculate the depth of a crater using its diameter due to the lack of a good depth angle (Examples here: 1 and 2; it's manhwa, but that's just because I'm most familiar with manhwa, but I've seen blogs from other mediums use this ratio too). I'm also guilty of using it too for one of my calculations, so willing to change it. Originally, the argument about its usage was talked about on this thread here, but as I'm thinking about it, due to its rapid usage in a bunch of other calculations, I thought it could be a possible staff discussion.

My argument (TLDR) was against its usage due to: The d/D ratio is borrowed from meteor impact studies where even under controlled conditions the ratio varies widely from 0.08 to 0.215 with no confident trend, as acknowledged by both these two articles: Hoover et al. and Stopar et al (Full PDF locked in a paywall but main points can still be read). Neither paper can identify which factors — velocity, target properties, impactor properties, degradation — dominate the final ratio, making it unreliable as a fixed value. Especially applying it to a below 40m punch crater, where no data exists, and the trend suggests the ratio would be even lower, means many calculations likely overestimate depth and therefore energy. I believe it shouldn't be used at all due to the different creating conditions (high velocity meteorite impacts), and especially ratios like 0.17 and above shouldn't be used for craters with diameters below 40 meters. Seeing it be used on like 1-5 meter craters and using those ratios to say it’s 0.17-0.85 meters deep when they genuinely don’t even look a cm or 2 deep often inflates the calculations (I can give some examples I’ve seen but don’t want to seem like I’m targeting people).

The opposing argument (feel like it should be brought up) TLDR: The crater visually resembles a simple bowl-shaped crater, and since lunar simple crater research documents d/D ratios in the 0.11–0.17 range, applying 0.17 is a reasonable approximation regardless of formation mechanism and diameter size. The speed difference between a meteor and a punch is a minor factor that doesn't significantly change the final energy values and geometric outcome of a simple crater. Since the ratio doesn't change dramatically even across large diameter ranges (a sample size of 930 (the Stopar one I sent above), a 3.77× size difference won't meaningfully shift it either.
SomebodyData
SomebodyData
I would def recommend this question to a calc group member instead haha, it's a bit out of my knowledgebase.
Good day to you Damage. I see that you are part of the calculation group. I wanted to ask you which website or app you use to measure pixels for your calculations and also what you use to view a video frame by frame. Thank you
Hey can you check out this CRT please. It has 1 vote and needs 2 more 🙏
Hey can you check out this CRT please. It has 1 vote and needs 2 more 🙏
Hello there, I'm sorry for acting passive-aggressive and snarky towards you on the Dragon Ball LS CRT. It wasn't helpful and I apologize.
Chariot190
Chariot190
Uh, were you? I didn't consider that either. So yeah it's fine, I wouldn't have known if you didn't point it out tho.
Hey can you check out this CRT please. It has 1 vote and needs 2 more 🙏
Hellooo Damage,

Can you check these out when you get a chance?
And ping staff if you can?
Helloo



Can you check these out when you get a chance?

can you take a look at this? 2 thread mods agree so far and I think I need 1 more
Hi qaw, there's no problem with making a thread in the news section about Eid al-Adha (a Muslim event)?
Could you review this CRT? When you have time. It just needs approval.
Could you evaluate this CRT?:

Could you evaluate this CRT?:

Could you evaluate this CRT?:

I want to ask, when the NNT downgrade happens, will this affect Lancelot's High 3-A/ Low 2-C rating or is that something you're not going to touch at all or something you'll do later?
I promise I sent this to like 5 other staffs 😭. Can you check out this crt please. It's Welt jobbing 🙏
Vietthai96
Vietthai96
Stop sending me Hoyoverse CRT
CastoriceTheFifth
CastoriceTheFifth
image.png
Hello vietthai. They’re only 1 page dont kill me 😖 would you mind giving your opinion tho emirp already voted on both


Can you check?
Você já leu a HQ Rei de Lata?
M3X_2.0
M3X_2.0
Não somos permitidos à falar em português aqui. Uma vez deu merda e tiveram que proibir qualquer língua fora o inglês.

We're not allowed to speak in portuguese here. Some people ****** up once and they had to forbid speaking different languages here besides English.
M3X_2.0
M3X_2.0
Mas não, nunca li.
Mind checking this quick CRT when you have time? Only needs one more vote.
Hi! When you have time, come and check out this CRT pls
It's just a level update, nothing that requires deep knowledge of the verse 🙏
Greetings, if you’re free. Would you mind checking this CRT

(sorry, the other post was a misclick)

Lemme ask you this:

Buzz can't resist Liz' latest key's passive.
Its activation depends on looking at her
It wouldn't be illegal to matchmake putting Buzz backwards, facing the other direction
He has infinite speed so his attack will hit

So incon?
Nonynho
Nonynho
Well, memory manip would be f*ing Buzz up but the other ones are still more than enough for him to also get incapped
Buzz can also laser her to death at the same time he's getting incapped, that's why i argue for incon on the case
Bobsican
Bobsican
Fair point, I'd think that an argument could be made then.
Nonynho
Nonynho
I'll create the thread in a bit, then
I would be grateful if you could help to evaluate this CRT
Hello, I have a question about the usage of depth-to-Diameter (d/D) ratios to calculate the depth of a crater using its diameter due to the lack of a good depth angle (Examples here: 1 and 2; it's manhwa, but that's just because I'm most familiar with manhwa, but I've seen blogs from other mediums use this ratio too). I'm also guilty of using it too for one of my calculations, so willing to change it. Originally, the argument about its usage was talked about on this thread here, but as I'm thinking about it, due to its rapid usage in a bunch of other calculations, I thought it could be a possible staff discussion due to its usage in many other manga/manhwa calculations.

My argument (TLDR) was against its usage due to: The d/D ratio of 0.11, 0.17, 0.25, etc., is borrowed from meteor impact studies where even under controlled conditions the ratio varies widely from 0.08 to 0.215 with no confident trend, as acknowledged by both these two articles: Hoover et al. and Stopar et al (Full PDF locked in a paywall but main points can still be read). Neither paper can identify which factors — velocity, target properties, impactor properties, degradation — dominate the final ratio, making it unreliable as a fixed value. Especially applying it to a way below 40m punch crater, where no data exists, and the trend suggests the ratio would be even lower, means many calculations likely overestimate depth and therefore energy. I believe it shouldn't be used at all due to the different creating conditions (high velocity meteorite impacts), and especially ratios like 0.17 and above shouldn't be used for craters with diameters below 40 meters. Seeing it be used on like 1-5 meter craters and using those ratios to say it’s 0.17-0.85 meters deep when they genuinely don’t even look a cm or 2 deep often inflates the calculations (I can give some examples I’ve seen but don’t want to seem like I’m targeting people).

The opposing argument (feel like it should be brought up) TLDR: The crater visually resembles a simple bowl-shaped crater, and since lunar simple crater research documents d/D ratios in the 0.11–0.17 range, applying 0.17 is a reasonable approximation regardless of formation mechanism and diameter size. The speed difference between a meteor and a punch is a minor factor that doesn't significantly change the final energy values and geometric outcome of a simple crater. Since the ratio doesn't change dramatically even across large diameter ranges (a sample size of 930 (the Stopar one I sent above)), a 3.77× size difference won't meaningfully shift it either.
Hey can you check out this crt please 🙏
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