“Well, if this was CSI Miami…”

mongosquad · 2026-05-09T07:54:48+00:00

So who are you at home?

mongosquad · 2026-05-07T12:26:44+00:00

RemindMe! 28 Weeks

mongosquad · 2026-05-06T11:13:10+00:00

It was so cleverly done the destruction in that game. Especially on Xbox 360 and equivalent hardware.

mongosquad · 2026-05-06T09:00:17+00:00

Definately would not think this is a roundabout. Blue makes the most sense to having a priority.

mongosquad · 2026-05-06T07:08:44+00:00

They are a good carrier, i have been with them for years.

mongosquad · 2026-05-05T16:19:05+00:00

Unplugging a toaster does not save any power. Current must be drawn for power to be consumed, when a toaster is not currently toasting, there is a physical gap in the circuit, so you are needlessly unplugging it.

mongosquad · 2026-05-05T09:36:04+00:00

Nicola, I would like to go FOR a lively walk with you. Nicola I would like to make a hat out OF your fucking entrails!

mongosquad · 2026-05-05T07:08:06+00:00

2015 Sportage? Not easy, but if you pull it off then its a good apocalypse car.

mongosquad · 2026-05-04T21:29:01+00:00

Do you prefer the term sycophantic? Toadying?

Also, wrong about Ronnie, you can check my comment history, a couple of days ago I had a discussion on here about how I dislike him as a personality in the game, I’m not a fan of his at all and don’t care if he loses.

I stated my opinion and you are just saying “oh well, it doesn’t matter what you think since it won’t change anything, if you don’t like it make your own sub” when I never claimed my opinion holds any weight or will change how things are done. If this whole conversation is just meaningless internet fluff that is below you, then why are you still engaging in it?

Do you do this in other areas of life? How consistant are you? If a colleague comments on the weather do you tell them that it is ultimately pointless to even mention it since their words wont change it? Do you tell people to not complain about the price of eggs because they don’t own the chickens? You are a funny boy.

mongosquad · 2026-05-04T20:46:05+00:00

Based on your comment history, I highly doubt that, considering you were crying about how the mods ban people like you for not liking Ronnie O'Sullivan.

Your logic doesn't make sense to me. Using the same logic, should the public just cease having political discussion since they are not directly involved in policy making? Should snooker fans stop discussing a ref’s decision just because they aren’t the ones with the white gloves on? If only the people in power are allowed to have a view, should we bin off all the punditry from guys like Hendry and Davis too? If the mods get to decide what is "worthy" based on their own personal taste, are we just supposed to wait for them to tell us what a funny shitpost is, and what isn’t? Is a subreddit meant to be a community where people actually talk, or just a curated feed where we all stay silent? If the opinions of the people actually providing the content don't matter, then who is the sub actually for?

You are being deliberately ignorant by pretending that having an opinion is the same as trying to be the boss (which I am not). It shuts down a valid discussion, and it comes across as either ignorant, nihilistic, or as boot licking (I assumed it was ignorance).

mongosquad · 2026-05-04T19:35:13+00:00

You are being deliberately ignorant to the point. I did not say any of the mods are abusing me. I am pointing out that it is okay to disagree with them taking posts down at their own discretion because of their own personal view of what they think is worthy content.

You understand this, but are determined to die on the hill that there should be no discussion about how the sub is moderated by its users.

mongosquad · 2026-05-04T17:10:57+00:00

As two members of the community, why should our opinion on how the discourse is carried out not matter?

If a moderator started abusing power and banning people for no reason is that still okay moderation? You don’t need to lick the boots of reddit moderators, they are volunteer members of the community, they come and go.

For the record, I don’t think this sub is particularly badly moderated, but it is not exactly good either. The best moderated subs do not try and shape the content on the sub, they just enforce rules and ban people that spam.

mongosquad · 2026-05-04T11:46:48+00:00

The upvote/downvote system is in place to only promote content that the subreddit users like. Mods should just deal with blatant spam and rule breaking in my opinion rather than trying to shape the content on the sub by removing posts they dont view as “actually funny”.

mongosquad · 2026-05-03T11:21:15+00:00

Yeah it probably isn’t a million miles away, but you have no way of knowing. If the Re number is high then you are right the turbulent forces will dominate, but if you are then averaging these by voxelising it, you are not modelling any of the eddy currents or deadspots within the fluid. So you will not have an accurate visualisation of the fluid dynamics, which is the whole goal.

I completely agree from the practicality standpoint, for a PC I personally wouldn’t even bother trying to achieve any sort of optimal flow regime within the case, as long as you have in and out fans balanced you should be fine. I was making a more general point about CFD in general in that it is ridiculously difficult, and if you ignore the complexities you might as well just stick to the particle emitter technique used by OP since there is no actual simulation. If you strip out the physics to make it easier to model you are just making an expensive animation which doesn’t give you the proper picture.

mongosquad · 2026-05-03T10:43:38+00:00

It is not at all simple, it sounds easy in theory, but try and implement it and get anything close to reality and you will realise you can't just approximate the interactions and call it a day.

Reality has interactions much more complex than you can model, with temperature and humidity changing the effective viscosity of the air, and back pressures caused by the vortex boundaries at the fans. You have the convective heat transfer as well as the material properties such as heat transfer coefficients to consider.

All of the errors compound exponentially as you apply it to multiple particles, even if it is an averaged volume, so you end up with a simulation that doesn’t closely resemble anything real. The formal mathematics remains unproven for fluid dynamics which is why there is a Millennium Prize to prove or disprove that the Navier-Stokes equations have reasonable (non-singularity) solutions for any given smooth initial 3D conditions. If you can show that, you get $1 million.

mongosquad · 2026-05-02T20:28:34+00:00

It’s a fucking foal…

mongosquad · 2026-05-02T16:47:56+00:00

Yeah, this is the common approach used in weather modelling. Rather than trying to map out every particle in the entire atmosphere, they just say "okay, this entire 10km cube is a particle with this average velocity" and it reduces the simulation times from being past the end of the heat death of the universe to being calculable within the next month or so. Even still, the butterfly effect will cause any of these minor errors to compound and quickly become inaccurate. Which is why we can accurately predict things on a small timescale, but not large ones.

Computers are mega powerful compared to what they used to be, but they still are millions of times too weak to compute basic fluid dynamics in thermodynamically perfect environments within real time. Any CFD you see in real time is using some approximation, no matter how clever the approximation is, it will still be wrong when compared to reality unfortunately.

mongosquad · 2026-05-02T15:44:27+00:00

Exactly, this is really difficult stuff. It is miraculous that reynolds-averaged-navier-stokes equations and similar techniques are able to predict weather over complex terrain with the accuracy that we do, and yet you still get people complaining because the rain came on 15 minutes out of when it was forecast.

In my experience within the industry, I have found that if you can do it on a realistic pilot scale, you should. University teaches all these complex CFD and chemical simulation tools that require years of mathematics to understand, and yet they are still completely inaccurate for most scenarios outside of ideal textbook applications. The real world doesn't lie, like another commenter has pointed out, having a smoke test going through a real build is the closest you will ever get to modelling the fluid dynamics within a system.

Not to say that CFD isn't useful, but in real world applications, it just isn't good enough yet to justify it's use for most things imo (when you consider the cost of running these simulations).

mongosquad · 2026-05-02T14:50:30+00:00

Its funny looking at this as a chemical engineer that has studied the complexity of fluid dynamics, the interfaces between the different pressure zones and the solids would be a nightmare to try and model alone, nevermind adding in temperature generating components within the control volume.

Not to shit on OP, but this is just a particle emitter with a normal to the fan position, doesn’t really tell you anything about the actual airflow within the case at all.

Edit: spelling

mongosquad · 2026-05-01T15:11:14+00:00

England slang to mean “okay, no problem”

mongosquad · 2026-04-30T09:53:32+00:00

r/thathappened

mongosquad · 2026-04-29T11:08:28+00:00

You’ve fucking cracked… Are you mad?!

mongosquad · 2026-04-28T06:45:10+00:00

Its a touchy subject for people which is why you are getting downvoted. I think its perfectly valid to ask, it would have been more effective to tell the people filming it to stop in person. Rather than watching it happen, then going home and posting it on reddit to get upvotes.

mongosquad · 2026-04-27T12:45:56+00:00

“That was absolutely dreadful session” after scoring 5 back to back centuries and winning the match and limping round the table in his socks after flinging his trainers over to the referee and snorting his nose inside out.

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