[mlpack] Rocket injector demo

sai_ng jonpsy101 at gmail.com
Mon Jul 19 12:19:23 EDT 2021


Oh, snap! I totally forgot. The particle simulation has been a success!
I've uploaded a WebGL based animation in itch.io
<https://znat.itch.io/busteringaaz>. Next is the combustion simulation.


S

On Mon, Jul 19, 2021 at 9:45 PM sai_ng <jonpsy101 at gmail.com> wrote:

> Hi again
>
> Great insights, I'll add some more detail. For the curious, the paper used
> CFD based simulation with multiple trial-and-error to get those
> coefficients relating objective function to design variable. Again, I
> encourage you to drop in a review or two in the future PR for the notebook.
>
> Reg those other articles, I found them interesting but the notebook will
> get too verbose. I'll do something about them in my blog though :).  Fun
> fact: Sirisha Bandla's hometown,Guntur, isn't very far from mine (like 8
> hours or so).
>
> S
>
>
>
> On Mon, Jul 19, 2021 at 8:22 PM Benson Muite <benson_muite at emailplus.org>
> wrote:
>
>> Hi Sai,
>>
>> It is not immediately clear where the optimization equations come from,
>> you give references which are great, but may want to see if some of them
>> explain how the resulting equations are derived from more complicated
>> models. Probably a few sentences on this are helpful, typically for
>> studying instabilities, people solve combustion equations that include
>> fluid mechanics and chemical reactions. A full explanation would
>> probably take more space than is available, but a few hints would be
>> helpful.
>>
>> Probably also interesting:
>>
>> https://en.wikipedia.org/wiki/Indian_Space_Research_Organisation#Launch_vehicles
>>
>> Maybe also relevant in the billionaire space race:
>>
>> https://www.gulftoday.ae/news/2021/07/19/india-born-woman-helps-design-rocket-that-takes-jeff-bezos-to-space-tomorrow
>>
>> Regards,
>> Benson
>>
>> On 7/19/21 5:21 PM, sai_ng wrote:
>> > Hello Benson
>> >
>> > About the background, I suppose you're talking of the "Framing the
>> > problem" section? The notebook is in alpha stage, I'll be making a
>> > series of PR to improve it,  you could directly review it on the pull
>> > request :)
>> >
>> > Thanks for the link for combustion instability, I will add that as a
>> > hyperlink reference in the notebook. About the Soyuz model, currently,
>> > we're only simulating the injector design of a typical rocket agnostic
>> > of F-1 engine or in this case Soyuz model. This will keep things very
>> > simple.
>> >
>> > Hope I answered your queries.
>> >
>> > S
>> >
>>
>
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