# Recent content by danai_pa

1. ### Fourier series

I don't solve fourier series of 1) sinh t :-1<t<1. 2) 1+ltl : -p<t<p anyone please suggest to me. Thank you very much
2. ### Heat Transfer Problem in Cylindrical

Why this problem is not depent on seta. and h ?

4. ### Laplace's equation

I can solve variable of x and y but variable z i can not solve it. Anyone please suggest me. Thank you

6. ### Laplace's equation

please help I can solve this equation for y only and x , z. I can't find it. Please describe to me. Thank you.
7. ### Laplace's equation

Heat equation Given the 3-D rectangular solid with sides of length a, b and c in the x, y and z directions, respectively. Find the function T(x,y,z,t) when Laplace(T)=1/K(dT/dt) subject to the following conditions: 1) Initial conditions: T(x,y,z,0)=0 2) Boundary conditions a. dT/dx +...
8. ### Heat Transfer Problem in Cylindrical

I don't understand this problem. I think it is difficult for me. Please anyone suggestion this problem to me. Thanf you Let us cosider steady state heat transfer problem in which laplaceT(r)=0 What is the temparature at the center of a thin disc of radius a whose average boundary...
9. ### Laplace's equation

Thank you very much for your suggestion. I can solve it I have a new problem. Please suggestion to me Let us cosider steady state heat transfer problem in which laplaceT(r)=0 What is the temparature at the center of a thin disc of radius a whose average boundary temparatue is 70 degree...
10. ### Heat conduction

Given the 3-D rectangular solid with sides of length a, b and c in the x, y and z direction respectively. Find T(x,y,z) in the interior of the solid when laplace T = 0 Boundary condition are following conditions: 1) x=0, T=0 2) x=a, dT/dx=0 3) y=0, dT/dy=0 4) y=b, dT/dy=0 5) z=0, T=0 6)...
11. ### Laplace's equation

Given the 3-D rectangular solid with sides of length a, b and c in the x, y and z direction respectively. Find T(x,y,z) in the interior of the solid when laplace T = 0 Boundary condition are following conditions: 1) x=0, T=0 2) x=a, dT/dx=0 3) y=0, dT/dy=0 4) y=b, dT/dy=0 5) z=0, T=0 6)...
12. ### Laplace's equation

How to solve Laplace's equation in three dimensions? Please anyone suggest me
13. ### Central Force

I find V(r) = -k/2r^2 + L^2/2mr^2 a part of r^2 of two terms are equal. Which total graph of V(r)
14. ### Central Force

I don't know a shape of V(r) versus r
15. ### Central Force

I have a problem for this question, please help me A particle of mass m is moving in an attractive inverse cubed force given by F = -K/r^3, where K>0 a) Find V(r) and plot V(r) versus r. b) Discuss the motion qualitatively by...