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torabi

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These are questions asked by torabi

how I can write a program code for newma...

torabi 85 Maple 2018
numeric differential-equations
May 05 2019
0 0

 

how I can write a program code for newmark method.

in this method time has 3 order derivation

pdsolve 2d EQUATION...

torabi 85 Maple 2018
differential-equation pde numeric
April 17 2019
0 5

I can  this equation.

CV.mw
 

> 

restart; c__v := 1.2; `τ__q` := 8.5*10^(-12); `τ__T` := 90.0*10^(-12); rho := 1000; k := 10

1.2

  

0.8500000000e-11

  

0.9000000000e-10

 (1)
> 

k*(diff(T(x, t), x, x))+k*`τ__T`*(diff(T(x, t), t, x, x)) = rho*c__v*(diff(T(x, t), t))+(diff(T(x, t), t, t))*c__v*rho*`τ__q`+(1/2)*c__v*rho*`τ__q`^2*(diff(T(x, t), t, t, t))

10*(diff(diff(T(x, t), x), x))+0.9000000000e-9*(diff(diff(diff(T(x, t), t), x), x)) = 1200.0*(diff(T(x, t), t))+0.1020000000e-7*(diff(diff(T(x, t), t), t))+0.4335000000e-19*(diff(diff(diff(T(x, t), t), t), t))

 (2)

Boundary condition:

> 

T(0, t) = 300; T(10, t) = 300

#####################################

INITIAL CONDITIONS:

 

> 

T(x, 0) = 300; (D[1](T))(x, 0) = 0, (D[2](T))(x, 0) = 0

(D[1](T))(x, 0) = 0, (D[2](T))(x, 0) = 0

 (3)
> 

``


 

Download CV.mw

 

 

How I can take Laplace Transform...

torabi 85 Maple 2018
laplace inttrans
April 14 2019
0 1

How I can take Laplace Transform from equation.

Thanks

LAPLACE

How I can determine a function ...

torabi 85 Maple 2019
boundary-conditions
April 03 2019
1 1

How I can determine a function that satisfy these boundary and initial conditions.

Thank you

S2

Maple Worksheet - Error

Failed to load the worksheet //convert/S2
 

Download S2

 

simplify equation ...

torabi 85 Maple 2019
integral simplification integration-by-parts
March 23 2019
0 0

Hello,

How I can take variation from left-hand side of  5, and reach to right-hand side of  5. After by using integral by part obtained  7?

Thank you

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