About math and science

[Bookworm]

Bookworm wrote:
blacknblue wrote:
Fluid dynamics? Energy technologies? Let me advertise my foolish ignorance and take a wild haired stab in the dark. You are going to work on research related to either tidal or wave generated power stations?


The work I'm going to do is for more normal power plants. I'll tell you more after I actually start my new work. As a mathematician I have to admit that I'm more interested about the mathematical theory behind it and especially about applying that theory in computational methods and improvement of the computational methods and so on.
I'm more excited about the multi phase flow problems part than the power plant part.




A mathematician!! A girl mathematician...

Bookworm, is any of your work (or study) been in nonlinear PDEs/systems that are psuedoperiodic or chaotic? I took a chaos and nonlinear dynamics class this semester.

It was interesting but I have a hard time getting over my deadly aversion to numerical analysis and coding. I absolutely hate it. That's what will probably keep me in analysis even though PDEs are so much fun

I loved PDE the class because in ODEs it was all pretty basic but in PDE every day it was like "ok now we have to learn some complex analysis to solve this", "ok today we have to learn fourier integrals to solve this..." it was so cool the way it pulled from all these corners of mathematics.

--By the way, she said she's only doing two-dimensional turbulent flow. For everyone else out there, that's still really hard . I only learned one-dimensional flow in my undergrad thermofluids I/II courses. And for the satellite system, we only dealt with one-dimensional to approximate losses and performance. We did some preliminary two-D stuff in a CFD program I can't remember the name of...

Can you even DO three-dimensional fluid flow analysis without CFD? I don't think you can can you?

Well this started to get bit off topic so here is a new thread for math and science stuff.
And don't be discouraged to post here some other stuff about math and science too. I know I sometimes get too exited about this and then most of the people don't have any idea what I'm talking about.

One of my interests is in nonlinear stuff, but I'm still doing my masters not my phd so my knoweledge about that is still pretty basic. But my goal is to learn more about it. My theses supervisor is actually doing nonlinear dynamics, but not much numerical things and coding so it isn't necessary. I actually like numerical methods so I will be doing some coding for my theses and for that I have to have another supervisor.

About three dimensional analysis I don't know so much about that as I said earlier I'm only doing my masters and only two dimensional, but I know that the unsolved problems of Navier-Stokes existense of solutions and smoothes of solutions are in three dimensions. I know that there hasn't been any proofs about solutions existing and being smooth in whole R3, but are there some special restricted solutions to spesific cases in three d do you know?

Have to go teach some derivation to a friend who is strugling with math.

[blacknblue]

2 + 2 = ...

[Asso]

2 + 2 = ...

2 + 2 =5, obviously!

[Elessar]

Bookworm wrote:
blacknblue wrote:
Fluid dynamics? Energy technologies? Let me advertise my foolish ignorance and take a wild haired stab in the dark. You are going to work on research related to either tidal or wave generated power stations?


The work I'm going to do is for more normal power plants. I'll tell you more after I actually start my new work. As a mathematician I have to admit that I'm more interested about the mathematical theory behind it and especially about applying that theory in computational methods and improvement of the computational methods and so on.
I'm more excited about the multi phase flow problems part than the power plant part.




A mathematician!! A girl mathematician...

Bookworm, is any of your work (or study) been in nonlinear PDEs/systems that are psuedoperiodic or chaotic? I took a chaos and nonlinear dynamics class this semester.

It was interesting but I have a hard time getting over my deadly aversion to numerical analysis and coding. I absolutely hate it. That's what will probably keep me in analysis even though PDEs are so much fun

I loved PDE the class because in ODEs it was all pretty basic but in PDE every day it was like "ok now we have to learn some complex analysis to solve this", "ok today we have to learn fourier integrals to solve this..." it was so cool the way it pulled from all these corners of mathematics.

--By the way, she said she's only doing two-dimensional turbulent flow. For everyone else out there, that's still really hard . I only learned one-dimensional flow in my undergrad thermofluids I/II courses. And for the satellite system, we only dealt with one-dimensional to approximate losses and performance. We did some preliminary two-D stuff in a CFD program I can't remember the name of...

Can you even DO three-dimensional fluid flow analysis without CFD? I don't think you can can you?

Well this started to get bit off topic so here is a new thread for math and science stuff.
And don't be discouraged to post here some other stuff about math and science too. I know I sometimes get too exited about this and then most of the people don't have any idea what I'm talking about.

One of my interests is in nonlinear stuff, but I'm still doing my masters not my phd so my knoweledge about that is still pretty basic. But my goal is to learn more about it. My theses supervisor is actually doing nonlinear dynamics, but not much numerical things and coding so it isn't necessary. I actually like numerical methods so I will be doing some coding for my theses and for that I have to have another supervisor.

About three dimensional analysis I don't know so much about that as I said earlier I'm only doing my masters and only two dimensional, but I know that the unsolved problems of Navier-Stokes existense of solutions and smoothes of solutions are in three dimensions. I know that there hasn't been any proofs about solutions existing and being smooth in whole R3, but are there some special restricted solutions to spesific cases in three d do you know?

Have to go teach some derivation to a friend who is strugling with math.

I know that existence has been shown on certain domains, but smoothness is another animal. I don't know any more about it than you except that I'm pretty sure there has been a lot of work on restricted solutions for special boundary conditions for the Navier-Stokes eqn.

I'm not sure if she's on our board or not, she's not active if she is, but MoaningMinnie from HoT/species_1 from TrekBBS is also a masters student in applied math and she's worked (for fun) on trying to achieve an analytical solution for the navier-stokes eqn (as part of that million dollar list, hehe) so she probably knows more about the history and what's been achieved.

Back to Russian

[Alelou]

Elessar said: I know that existence has been shown on certain domains, but smoothness is another animal.

For some reason this strikes me as the opening line of a really interesting (if fairly inexplicable) poem.

And now I run away because this is NOT my topic area!

[Bookworm]

I got tired of reading about two dimensional randomly stirred fluids and their energy spectras. That is the subject of my masters theses. So I read some articles from this Finnish popular science magazine. I found interesting one about cosmology and searched for information in English and found this NY Times article.

Here it is if anyone else is interested.

http://www.nytimes.com/2008/01/15/science/15brain.html?_r=1&pagewanted=all&oref=slogin

I'm happy that I deal with more practical things myself and don't have to consider things like that when working.

[Linda]

Well, I know what the mathematician's answer to what 2+2 is supposed to be, but when an accountant is asked that question by a prospective employer, the proper answer is "what would you like it to be?"

[Elessar]

I got tired of reading about two dimensional randomly stirred fluids and their energy spectras. That is the subject of my masters theses. So I read some articles from this Finnish popular science magazine. I found interesting one about cosmology and searched for information in English and found this NY Times article.

Here it is if anyone else is interested.

http://www.nytimes.com/2008/01/15/science/15brain.html?_r=1&pagewanted=all&oref=slogin

I'm happy that I deal with more practical things myself and don't have to consider things like that when working.

I don't worry too much about this because in 30 years the simple answer to this insane conundrum they've built for themselves will be that one of our very basic tenants - one of the ones we've never even CONSIDERED re-examining, will be found to be false in some elegantly convenient and beautiful way to wrap up all the infinite probabilities and infinite universes to a beautiful fininteness.

It's like when you're takin your Calc II or III test and you turn to an integral of convoluted combinations of sin and cos and there are infinities in the boundary conditions and you're thinknig OMG HOW DO I SOLVE THIS?!

And then you use Euler's Rule, sin and cos just beautiful turn into e's... you antidifferentiate... and you get e to the negative infinities and zero's and your answer...

is 1.

[blacknblue]

"urp!"


'scuse me...

[Alelou]

“People are not prepared for this discussion,” Dr. Linde said.

What the doctor said.

[Asso]

Doctor's order?

[Distracted]

I don't worry too much about this because in 30 years the simple answer to this insane conundrum they've built for themselves will be that one of our very basic tenants - one of the ones we've never even CONSIDERED re-examining, will be found to be false in some elegantly convenient and beautiful way to wrap up all the infinite probabilities and infinite universes to a beautiful fininteness.

It's like when you're takin your Calc II or III test and you turn to an integral of convoluted combinations of sin and cos and there are infinities in the boundary conditions and you're thinknig OMG HOW DO I SOLVE THIS?!

And then you use Euler's Rule, sin and cos just beautiful turn into e's... you antidifferentiate... and you get e to the negative infinities and zero's and your answer...

is 1.

And this man is gonna go get shot at? There's something wrong with that equation.

[blacknblue]

Why? Somebody has to run the military computers. Those laser systems don't program themselves you know. Neither do the GPS systems. Nor the targeting sensors. And the remote controlled drones take a sophisticated touch on the controls too.

A strong back and a weak mind may have been all that Ghengis Khan needed. Today, we gotta have a little bit more.

[Distracted]

Then keep the smart ones HOME and let 'em do the programming from here. Don't put those valuable brains in the line of fire! How stupid is that?!! There's nothing like the risk of eliminating the best ones from the gene pool to aid the enemy in the long run.

[blacknblue]

Get a grip, Lass!

We are all citizens, and we all bear equal responsibility for defending the country. That is the principle of the militia system. Otherwise the whole concept that our country was founded on collapses.