Timeline for How would an active Alcubierre Drive effect the shape of an ship's explosion?
Current License: CC BY-SA 4.0
18 events
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| May 6, 2022 at 16:37 | history | edited | Nosajimiki | CC BY-SA 4.0 |
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| Feb 25, 2022 at 15:33 | comment | added | Nosajimiki | @BBeast yes, that is correct. I don't need exact formulas, just a general idea of what directions things will go. I generally think I know what to expect from the field while it is active, but I don't know enough about gravitational waves to even sort of predict what will happen from the field suddenly collapsing. | |
| Feb 25, 2022 at 2:01 | history | edited | Nosajimiki | CC BY-SA 4.0 |
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| Feb 25, 2022 at 2:00 | comment | added | Dan | There is some discussion of exactly what the Alcubierre warp drive implies for travel. You can see this discussion on arxiv.org, but I recommend taking a lot of really big maths with you. I did a PhD in particle physics with quite a bit of gravity mixed in, and I can just about follow the conclusions, not the arguments getting there. Anyway, there is disagreement on whether it can be used to travel, even supposing it can be generated. I only mention it because of the "science-based" tag on the question. | |
| Feb 25, 2022 at 1:59 | comment | added | BBeast | If I'm reading the question correctly, you want to know what the near-field gravitational wave emission from a collapsing Alcubierre metric would do to (essentially) a hot dust cloud? From my understanding, approximations which make GW calculations simple assume you are distant from the source and/or the gravity is weak. Getting the near-field behaviour might require a full GR calculation (although maybe someone with experience in GR calculations might have a shortcut?). | |
| Feb 25, 2022 at 0:34 | history | became hot network question | |||
| Feb 24, 2022 at 18:15 | answer | added | Vogon Poet | timeline score: 2 | |
| Feb 24, 2022 at 18:05 | comment | added | Vogon Poet | Could use some focus I think. "Would particles hurled forward appear to accelerate or decelerate" for example. It's an opinion right now. Or, since explosions in space have extremely simple vectors; "Which vector would dominate if the bubble were $x$?" | |
| Feb 24, 2022 at 17:58 | comment | added | Nosajimiki | @VogonPoet I just need to know the directionality of the vectors at play and relative magnitudes to one another as caused by the warp drive. How much I choose to scale it will depend on any individual ship's properties. I would expect a small but fast escort ship to have a more distorted explosion than a large but slower battle cruiser; so, instead of asking a question about a specific ship in the fleet, that may or may not see a noticeable effect, I just need to know the rules about how they would explode differently so that I can apply them to specific ships myself. | |
| Feb 24, 2022 at 17:42 | history | edited | Nosajimiki | CC BY-SA 4.0 |
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| Feb 24, 2022 at 17:36 | comment | added | Vogon Poet | It's a basic force vector solution that needs to determine which force vector dominates first. So how big the explosion is matters. Gravity waves may be significant or trivial depending on the energy density of what you blow up. Likewise for the size of the warp bubble. Shape will be determined by those relative energies. | |
| Feb 24, 2022 at 17:34 | comment | added | Nosajimiki | @StarfishPrime Diametric drives and Alcubierre drives are different in the aspect that diametric drives have 2 points of positive and negative mass density whereas Alcubierre drives (as defined by the BPP program) use a toroidal field for greater theoretical efficiency. But most sources don't differentiate between the 2 at all. All 3 kinds of drives use the concept of gravity like motion for propulsion, thus could be described as falling forwards. | |
| Feb 24, 2022 at 17:28 | comment | added | Tristan | that is not a definition of an alcubierre drive by any means. The alcubierre metric is defined as a solution to the Einstein Field Equations satisfying certain requirements, none of which you mention, whilst the drive is a hypothetical device that might be able to induce such a metric | |
| Feb 24, 2022 at 17:26 | answer | added | Tristan | timeline score: 7 | |
| Feb 24, 2022 at 17:19 | comment | added | Starfish Prime | Space inside an alcubierre warp is flat... the contents of the bubble don't fall in the direction of travel. I'm probably thinking of the diametric drive rather than the bias drive... all the old (and apparently unpopular) ideas from the breakthrough propulsion peeps all kinda blur together in my mind. | |
| Feb 24, 2022 at 17:01 | comment | added | Nosajimiki | @StarfishPrime a Bias drive modifies the constant of G, an Alcubierre drive bends space time in a way that resembles positive and negative gravity. What did I say that makes you think this is a Bias drive as opposed to an Alcubierre drive? | |
| Feb 24, 2022 at 16:39 | comment | added | Starfish Prime | That's not quite how alcubierre warp works... you're describing a bias drive. | |
| Feb 24, 2022 at 16:34 | history | asked | Nosajimiki | CC BY-SA 4.0 |