Hi guys.
I was wondering if any of you happened to know the equation for the radial and tangential stress developed across a segment of a ring in rotation.
I have been looking through countless ma...
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hello everyone.
i want to know that can we treat stepped shaft as a beam while finding the deflection.
if yes then how do we find the deflection of a stepped shaft made of cs1030 steel. its first...
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Hi,
I am taking FINITE ELEMENT METHOD and NUMERICAL METHOD in this semester of my college and I am looking for any ONLINE COURSE on them, if available, at reasonable price (or student price). If an...
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Hi,
We have imported a CAD drawing into Comsol and are setting up a sphere in order to observe the sound radiation pattern of the imported object when excited at a point.
The problem is Comsol does...
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Pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
I have to present a paper on Aircraft materials and I have only one month left to prepare...............
I've spli...
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i just started reading about nozzles and turbines in my semester course. i went through converging diverging nozzles. for achieving a supersonic flow, a converging diverging nozzle is used. now a conv...
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Newmark's method deals with second order differential equation in the time domain.
The equation is of the type
M*xddot + C*xdot + K*x = F(t) (1)
Now suppose to have a GENERIC system:
A*xdd...
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Ok i send this topic only for information about that topic. If some one have information and plan about that just post your reply. For Instance I got something interesting about that topic. A german h...
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Hi,
I'm a final year Biomed. Eng. student currently working with a team on a project investigating Threshold Responses to Inspiratory loads, and their relation to sleep apnea.
The key to this st...
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Greetings!!
This is for a Chilled water piping project (1000mm dia max). We are procuring pipes from SEAH Korea, from 250mm to 1000mm. And for calculations for support, load, thrust, etc, i need the ...
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Hi
I would like to have the answers of a few basic questions. I would like to know that in a space shuttle, how is the oxygen level maintained?
How does a space shuttle enter in to the space? Does i...
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Hello!
i've been thinking, how can i get start modeling a heat pipe. At least a conceptual approach . it would be very helpfull ir someone here post any bibliography.
thanks!...
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I'm trying to figure out where the often cited 14.7:1 stoich a/f ratio for gasoline comes from. I've always thought it was calculated from a primary reference fuel containing some mixture of iso-octa...
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I was thinking in the last weeks about electric cars and thinking about a DIY project in a future.
Here's the problem, which motor is best for an electricar? Which have the best efficiency, torque ...
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Let's assume we have a generic, standard design ICE car, except that transmission is CVT (continously variable) and can be popped into neutral, since this simplifies the problem.
Assume car travels...
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Hello,
I am hoping to build a model rocket with a roll control system for my senior project. Since the idea of building or obtaining a wind tunnel seems infeasible I will need to theoretically cal...
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1. The problem statement, all variables and given/known data
Had our choice for a topic for a project, and I picked math modeling.
My Original Research Question: In what way can a playing card b...
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Tell me all about Diagonal or Mixed Flow Fans and Compressors
Are they more efficient than an axial fan with a 90 degree elbow discharge and stator vanes to straighten the flow?
How do the pres...
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I'm currently designing the mechanism for a basic cylindrical robot arm. It must be capable of lifting max 2kg of item. The robot arm looks like ST Robotic R19 model. It moves in X and Z direction plu...
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Hi All;
I try to find the frictional torque on a high speed spindle. There is no flow past the cylinder, the flow is generated due the rotation of the cylinder.
I read book of Munson and it is wri...
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Hi,
While designing a hose assembly, I came across a part called Hose internal Coil (Material –CRES).
Why is Hose internal coil provided inside the hose assembly?
For Hose protection (against abr...
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A wire rope is stretched horizontally between two opposing hydraulic cylinders. One cylinder pulls to the left with a force of 100 pounds, the opposing cylinder pulls to the right with a force of 150...
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I came across a nice presentation.
http://www.msm.cam.ac.uk/phase-trans...ent1/index.htm [http://www.msm.cam.ac.uk/phase-trans/mphil/Trent1/index.htm]>
It contains a nice overview and also some ...
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Hi everyone,
I've just started to use COMSOL for the study of a simple cantilever beam and I'm facing some problems while calculating the eigenfrequencies and the frequency-response.
I use the 3...
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Hi all,
I'm sure a lot of you know about the head loss due to sudden expansion:
Hl = (1/2g)*(v1-v2)^2
This equation can be derived from Bernoulli, continuity and momentum balans equations. T...
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