수질관리 및 모델링. 환경공학과 3 학년 20041429 노지훈. 1. Modify program 3.BAS and execute using QB Compiler for the problems listed as follows: 1) Explain the numerical algorithm for the methods listed as follows : 2) Implement the following jobs for the program 3.BAS given in the class.
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수질관리 및 모델링
1. Modify program 3.BAS and execute using QB Compiler for the problems listed as follows:1) Explain the numerical algorithm for the methods listed as follows :2) Implement the following jobs for the program 3.BAS given in the class.
Mass Transport Equation with Ad
If K = 0 then Advective Flux
다음과 같은 식으로 나타내어 질 수 있습니다.
3) Make and implement the following jobs for the 3.xls.(1) Understand the excel program.(2) Implement the computation procedure of GCN algorithm using the excel program.
GCN algorithim에 대해서 정리해서 설명하면 다음과 같이 설명되어질 수
The 1-dimensional mass transport equation is expressed as follow :
In GCN, we used time weighting factor to generalize the discretization
method for the time domain. So, forward, backward, and central finite
difference analogue is defined by the following value of time weighting
The analogue of GCN becomes as follows :
Let's define the following coefficient to consist the Tridiagonal Banded Matrix.
Use the Thomas Algorithm to solve the above system of
After the assembling the above analogue for the whole nodes, the
left hand side matrix becomes Tridiagonal Banded Matrix. In which,
components of each equation are expressed by the following
다음과 같은 식들로 GCN 알고리즘을 설명할 수 있다
4) Understand and modify the post-processing subroutine.(1) Explain the every line of the source program.(2) Compare with the graphical result of excel program.5) Do the stability analysis of GCN.6) Derive the analytical solution of this problem.
GCN 안정도에 대해서 설명하면 다음과 같다.
위와 같이 GCN 안정도 분석을 수행할 수 있다.