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#1 |
New Member
Mudit Mehta
Join Date: Mar 2020
Posts: 15
Rep Power: 6 ![]() |
Hey, i am working on an assignment problem:
Consider a two-dimensional rectangular plate of dimension L = 1 m in the x direction and H = 2 m in the y direction. The plate material has constant thermal conductivity. The steady-state temperature distribution within this plate is to be determined for the following imposed boundary conditions: (i) y = 0, T = 100 ̊C, (ii) x = 0, T = 0 ̊C, (iii) y = H, T = 0 ̊C, and (iv) x = L, T = 0 ̊C. Choose a uniform grid size of 0.05 m in both directions. Solve the problem using the point-by-point Gauss-Seidel iterative method. Experiment with the initial guess and comment on the number of iterations required for convergence in each case. Clearly explain your convergence criterion for the iterations and how it is implemented. Plot the temperature contours as the output. I have solved this question in python and i am getting following results: When initial guess = 0, No of iterations = 350 Now when i am taking initial guess less than 10 i get less no. of iterations but when i take initial guess to be larger than 10 i get larger number of iterations. Can anyone explain. Please it is very urgent and important. |
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#2 |
New Member
Join Date: Mar 2024
Posts: 1
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Please show the code
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#3 |
Senior Member
Join Date: May 2012
Posts: 551
Rep Power: 16 ![]() |
1. The initial condition dictates how close you are to your steady-state solution. A closer guess naturally leads to fewer iterations needed.
2. The number of nodes/cells dictates how fast the information propagates in the domain. 1 and 2 are directly connected to the number of iterations needed. |
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Tags |
2d diffusion equation, cfd, python |
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