Echdip
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Echdip:
Group Title
An unsteady fluid flow has velocity field
q=  (1/2) sin t(xe^y, e^y).Show the flow is incompressible and find a stream function.
Find…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Echdip:
Group Title
Traffic Flow Modelling?
On a stretch of singlelane road with no entrances or exits the traffic density ρ(x,t) is a continuous function of d…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Echdip:
Group Title
The temperature distribution in the rod at any subsequent time t has the form
θ(x,t)= θ_0+∑_(n=1)^∞▒〖B_n e^(k/ρc ((n^2 π^2)/l^2 +h/KA)t ) …
 updated one year ago
 12 replies
 2 Medals
Mathematics

Echdip:
Group Title
The academics and the technicians of a university faculty are planning a paintball battle and the mathematicians are trying to predict their…
 updated one year ago
 5 replies
 2 Medals
Mathematics

Echdip:
Group Title
Consider a long, thin, uniform rod of constant crosssection whose temperature distribution is θ(x,t), surrounded by an atmosphere of consta…
 updated one year ago
 4 replies
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Mathematics

Echdip:
Group Title
Find the BVM of θ(x,t):
by Deriving the equation ∂φ/∂t=k/ρc (∂^2 φ)/(∂x^2 )  (h/ρAc) φ , where φ(x,t) = (θ(x,t) θ_0)
 updated one year ago
 7 replies
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Mathematics

Echdip:
Group Title
Consider a long, thin, uniform rod of constant crosssection whose temperature distribution is θ(x,t), surrounded by an atmosphere of consta…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Echdip:
Group Title
On a stretch ofsinglelane road with no entrances or exits the traffic density r(x,t)is a continuous function of distance xand time t, for a…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Echdip:
Group Title
Consider a long, thin, uniform rod of constant crosssection whose temperature distribution is θ(x,t), surrounded by an atmosphere of consta…
 updated one year ago
 10 replies
 1 Medal
Mathematics

lovechama:
Group Title
a cell phone company offers two different monthly textmessage plan as shown in the table below. for what number of text message will both p…
 updated one year ago
 1 reply
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Mathematics

Echdip:
Group Title
Consider a long, thin, uniform rod of constant crosssection whose temperature distribution is θ(x,t), surrounded by an atmosphere of consta…
 updated one year ago
 4 replies
 1 Medal
Mathematics

UnkleRhaukus:
Group Title
\(f(x)\) as a sine series
 updated one year ago
 19 replies
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Mathematics

Raque:
Group Title
Hi, i'm trying to solve 2d laplace equation in polar coordinates. but it is for partial disk, not full. so boundary conditions aren't period…
 updated one year ago
 1 reply
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Mathematics