- Faraday's Law correct? ?
Faraday's Law correct? ?
-- The scientific concept of the Declaration gave me the strength
I split my guts of a long-premeditated
Potential is cutting
A. Alternator
B. DC (commutator) Generators
C. unipolar DC -
D. No change to the single-pole DC motor unit
[link]
- file format and viewer for newbie
I am learning CFD at home and I would like to save the output of my
simple simulations and visualize them. Can you please suggest a file
format that is easy to develop with and an easy to use viewer ? I do
not need something very complex. I just need to be able to save and to
view 2D and 3D fields created from a C++ program.
- OT: Best anodizing or finish for aluminum heatsinks
OT as it isn't CFD, but I am sure that folks on this list have
experience with thermal management issues.
I am looking to specify a finish for a forced convection bonded fin
heatsink. All of the CFD work was done on FloWorks with raw aluminum
characteristics.
Now the question is: Which finish degrades performance the least?
- MILLENNIUM PRIZE PROBLEM (NAVIER– STOKES EQUATIONS) IS SOLVABLE BY CLASSICAL METHODS
Formulated by Clay Mathematics Institute the sixth Millennium
Problems about existence and smoothness of solutions of the Navier
– Stokes equations periodically was discussed at
numerous forums ([link]
Society/Science/m.112524.html) . On recognition of some commentators
- fluid dynamics basics of sewage
Hi group,
I would like to do a basic calculation of the pressure that our local
Village idiots would have had to apply to the sewer line on our street
in order for it to geyser a foot higher than our trap opening and
pumping 150+ gallons of raw sewage into our basement ( I realize the
total volume is not pertinent to the calculation, I just add it as
- FE-Sizer Update - Release 3.38.0
Do you perform, maintain, or review/check orifice calculations for your
production plant's orifice flow meters or for process plant instrumentation
design engineering for your engineering firm? Then you must try the latest
release of FE-Sizer - Orifice Flow Meter Sizing Software...the orifice meter
sizing software of choice for many flow meter fabricators.
- Open Source Boundary Element Method
I have initiated some open source Boundary Element Method projects on
[link]
in Fortran and Matlab/Freemat
- Optimization of a finite volume differencing scheme for multispecies transport problem
I am working on a 3d finite volume scheme for an advection-diffusion-
reaction problem involving a large number of chemical species (more
than 60) and a large domain (an big lake for example). Since this
scheme will be used on large problem, I want it to be as efficient as
possible. The linear operators are splitted in 2 :
- AIR DYNAMICS
I HAD WATCH IN DISCOVERY THAT FUTURE VECHILE WILL RUN ON FREE AIR AND
RUN UPTO 60 MILES/ HR,
IS IT POSSIBLE WITH AIR TO COMPRESS TO RUN THE VECHICLE AS DONE BY
MDI AND TATAS,PLEASE REPLY ME ?
- SIMPLE problem on outflow
Hi
I wrote a staggered code by a simple finite volume method. my code
works perfect for some cases but when for example I make a duct bigger
it began to diverge. by proceeding in little iteration I saw it starts
from the outflow. Can anyone please help me?
- Question about plasma cloud expansion simulation
Hello!
Currently I'm simulate the plasma cloud expansion using my 3D hybrid
PIC code.
Model description and some results of my code are available at
[link].
The simulation results are reasonable in general.
But some contraversal results [link]
- EC-funded Research Visits: Application Deadline 31/08/2008
HPC-EUROPA++ deadline for applications: 31 August 2008
------------------------------ ----------------------
"It's a very fruitful experience. You can share your knowledge,
discover new field of research, see a different way of working."
HPC-Europa++ Visitor, 2008
- Are you a scientist of postgraduate level or above,
- List of solutions manuals
My List of Solutions Manual
____________________________
contact me to : mattos...@gmail.com
mattosbw1(at)gmail.com
ot to : newbergh...@yahoo.com
newbergh123(at)yahoo.com
.... try with both emails .
If your wanted solutions manual is not in this list, also can ask me
if is available (They are some only). Then if you need solutions
- Advection-Diffusion Equation for local isotropy in the oceanic well-mixed layer
My question is whether differential equations using a time
dependent diffusivity can be used to model the diffusivity of a
passive tracer in the ocean.
I have found models where the diffusivity in the ocean is modeled
by a 4/3 power law. The four thirds power law is associated with local
isotropy. However, none of the researchers go and substitute the
- Information on sites and regulations
Dear Newsgroup:
The following are Basti Newsgroups (sites):
Sci.bio:
[link]
Sci.math:
[link]
Sci.physics:
[link]
The above sites are closed sites (suitable for many if they do not
want to go public).
- New Newsgroups
Dear Newsgroup:
The following are Basti Newsgroups:
Sci.bio:
[link]
Sci.math:
[link]
Sci.physics:
[link]
The above sites are closed sites (suitable for many if they do not
want to go public).
- hard sphere model
Could someone explain the basis ideas of this model?
- rainwater flow calculations
Hello,
I was wondering if someone in the group may be able to help me with
some water flow calculations for v shaped rooftop that is used to
catch rainwater for drinking? A link below has photos of the house
that is currently under construction. I need to determine if the
catch funnels that I have designed will be sufficient to restrain and
- weight -vs- drag
Hey all, I have a question/ argument that hopefully applies to this
group.
Any help would be greatly appreciated.
So the argument is as follows:
Two surfboard of equal dimensions (length and width, i.e. wetted
surface) yet differing weights (mass) when going down the face of a
wave (from displacement Froude's Law of Comparison “I think” to a
- Physiscs,computational,fluid
[link]
- 2630 Solutions manuals
My List of Solutions Manual (ALL THEY ARE FOR SALE)
____________________________
contact me to : mattos...@gmail.com
mattosbw1(at)gmail.com
or to : newbergh...@yahoo.com
newbergh123(at)yahoo.com
.... try with both emails .
If your wanted solutions manual is not in this list, also can ask me
- What is 1D/System CFD?
When explaining what 1D CFD or System CFD is , i struggle to define it
clearly.
1D software include Pipeflow, Olga, Wanda and Flowmaster
Does anyone have a good description technically and in Layman terms to
describe this type of analysis?
Thank you in advance
- Free n-dimensional cfd program
I developped a free CFD program, called "CellFlow":
[link]
A funky feature is that it can 4 dimensional flow.
Apart from that, I am not sure if it actually better than other free CFD
codes. My guess it is probably quite handy if you have a simple geometry.
- fluid dynamic equations
Good day dear members of the sci.physics.computational.flui d-dynamics
news group.
Please can you point me out with an online tutorial that clearly
explains the common fluid dynamic equations for a classic
hydroelectric power plant.
Many Thanks.
Octavio
- EC-funded Research Visits: Application Deadline 15/05/2008
HPC-EUROPA deadline for applications: 15 May 2008
------------------------------ ----------------------
Are you a scientist of postgraduate level or above,
working in EU or an Associated State?
Do you require large computing power to improve your research?
Would you like to visit a similar research group in
- FE-Sizer Update - Release 3.37.1
Do you perform, maintain, or review/check orifice calculations for your
production plant's orifice flow meters or for process plant instrumentation
design engineering for your engineering firm? Then you must try the latest
release of FE-Sizer - Orifice Flow Meter Sizing Software...the orifice meter
sizing software of choice for many flow meter fabricators.
- GR for fluids
Hi NG
i had an idea to calculate fluids, that might be of interest.
I guess its quite astonishing, but I would use my model based on general
relativity. The advantage would be to have only dimensionless numbers
and no need to care for temperatur, velocity, friction or viscosity. Its
based on the calculation of energy flow. The calculation is done by a
- free materials about atomic structure, relativity, gravitation,electromagnetism etc
Hello,
Maybe someone is interested in reading and eventually makes comments
on some free materials (atomic structure, relativity, gravitation,
electromagnetism) at following link: [link].
The free materials are excerpts from books and show another face of
physics.
Regards,
Sorin Cosofret
- grid size
Hi Everyone,
I am currently doing analysis on pressure drop on
micro mixers.I am using Fluent Solver and finite volume approximation
using triangular mesh. The mixing channel width is 1 mm in width and
depth is 2 mm, i am thinking to give growht factor as 0.04 .. will it
be suitable for my requirement?
- Plane Channel DNS: Chebyshev tau resolution
Hi All,
I wonder if anyone can explain the following.
Plane channel DNS is now standard tool and the most common
method is based on using Fourier for the periodic directions
and Chebyshev tau for the inhomogeneous.
The actual formulation of the equations of motion that I use
is based on the well known omega-phi method (JFM v.177 1987 p133)
- Quick & Secured Pharmacy Online. dsh3l
Online meds.
Very Cheap.
Fast Shipping.
[link]
- Particle injection method for PIC simulation
Hi all
I am looking for particle injection method during plasma particle-in-
cell simulation.
Particles with uniform density and velocities equal to initial
distributiom shall be injected
at boundary plane.
Does ayone know how it can be done?
Thanks in advance.
David.
- Reynolds and Stokes help Villanova
[link]
It is a basket ball story ... but what the heck, an interesting
coincidence
- Bond Graph or Method of Characteristics
Hi all
I am looking to purchase a hydraulics surge analysis software for my
company, and have narrowed it down to Flowmaster and Amesim. One uses
Method of Characteristcs and the other Bond Graph method... and of
course both say their method is better :)
Does anyone know the advantages and disadvantages of each? and any
- A criteria for grid size.
Hi
I am solving a flow problem around a cylinder using finite differences
and I have a grid size question. The question is not about stability
(my grid is stable), but about accuracy. When I have a problem that
has one result (a certain number) I set my grid and my convergence
values so the first 3 or 4 significant digits of the wanted result.
- GM expects sales would exceed 100,000 vehicles per year
The world's largest automaker by sales was to announce the hybrid
system Tuesday at the Geneva International Motor Show, saying the new
battery will deliver three times the power of GM's current nickel-
metal-hydride batteries.
more here!
[link]
- CFP: INTERNATIONAL WORKSHOP ON OPTICAL SUPERCOMPUTING (OSC'08)
--- CALL FOR PAPERS ---
------------------------------ ---------------------------
INTERNATIONAL WORKSHOP ON OPTICAL SUPERCOMPUTING (OSC'08)
------------------------------ ---------------------------
August 25-29, 2008, Vienna, Austria
In conjunction with the 7th International Conference on Unconventional
- 3-D laminar flow test case
I am looking for a 3-D laminar flow test case(s) to validate a 3-d
unstructured grid compressible Navier-Stokes solver. I have already
solved the laminar flat plate and cylinder problems. Are there any other
test cases with analytical or experimental results for validation ?
- [ANN] xmds version 1.6.5 released
The xmds team is pleased to announce the release of xmds-1.6.5.
xmds is the eXtensible Multi-Dimensional Simulator and is a code
generator that integrates equations. You write them down in human
readable form in a XML file, and it goes away and writes and compiles
a C++ program that integrates those equations as fast as it can
- Fluid Dynamics Engineer - PAX Mixer Inc - San Rafael, CA
PAX Mixer Inc. (PMI) located in San Rafael (soon to be Napa, CA) is a
well-funded start-up company developing novel industrial mixing
technologies for a variety of industries including biofuels, waste
water treatment, and pharmaceutical manufacturing. PMI is a spin-out
from parent company PAX Scientific -a pioneer in the field of
- planetary slowing
Now I've posted this a week ago in alt.philosophy.debate, but no one seems
to care enough to react. Could someone please confirm my "theory"? Thank
you.
(start of post)
Instead of postulating some brand new verbal particles here, like the
spaton, which, analogous to the graviton, is associated with the phenomening
- Global Networkmarketing Opportunity
Civil Service - Occupational Pension Plan
Development Advice in Support - Economic Research Forum 2008-02-18
'Satisfactorily on suggestions for new entries and prominent
preferences and pointing out performances that I have previously
overlooked. All of these have duly been taken into account and,
together with the revised and updated entries, plus the new additions
- Seed Points for a Surface Streamline algorithm
Hi, I have written an algorithm for calculating surface streamlines on
a surface of a body. Though i am having a little difficulty locating
proper seed points. I don't want to use any external seed point
generator such as a plane intersecting with the body and then using
the intersection points as seed points. Rather if it is possible to
- Flux limiter implementation issues
Hi all,
I am trying to implement a flux-limiter-based solver for the usual
advection equation:
du du
-- + a -- = 0
dt dx
It works fine when a > 0, but blows up when a < 0. By blow up I mean
that an initial condition of the form
___
| |
___| |___
becomes, after one time step,
|__
| |
- Which software for fluid-dynamics simulation?
Hello,
I'm searching for a software(open source or free) to simulate an
object, which can rotate freely in all spatial directions. Its
rotation, which induces the movement of the fluid around it, is also
influenced/induced by the flow around it. Furthermore I need to
include gravity.
Does anybody have an idea which software I could use or any
- getting into identity
I know a guy who is a professional streaker.
According to his friend my stockbroker, he has streaked across the
football fields of most Eastern colleges
he won't fill me in
mk5000
"Instead, we have rampant use of prescription pills making the
rounds, but yet these lethal pills are easy to come by on the street
- good
In my opinion, Ellen Degeneres is ALWAYS disturbed.
I don't know how she kept it together to pretend normalcy long enough to
make it through a few years of that talk show but apparently she has some
good handlers. Lately I have seen stories about her weir weight loss
techinques (wraps and what not). How does she manage to get the oscar
- Help Requested Troubleshooting Fortran Code
Hi,
I've written a code sans boundary conditions for solving the Euler
equations for supersonic 2-D flow over a bend (Prandtl-Meyer expansion)
using a Maccormack downstream marching scheme. I was hoping to ensure
that my predictor-corrector steps were working correctly over the
internal points of my arrays before implementing the boundary
- idea for fusion is from gravity
Hello, my name is Solomon Azar - I have put together many signs and
connections to form the big picture-- we have been seeded upon this
planet by way of spirit into a life form of man and given one primary
mission- to cultivate this planet to complete utopia- thy will be done
on earth as it is in heaven-We have been given the gift of free will
- problem in code developed
As in my last post i am trying to develop a small code to simulate
turbulent flow in pipe using k-eps model
I have added a new post because i am now changed my approach i am
solving the vel components and k and eps equations explicitly and
pressure term implicitly
i tried diifferent things for boundary conditions but still not
|
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