Finite Element Method (FEM)

Unsteady problems (2)

The separation of time-dependency of the problem and spatial variation that has already been mentioned can be stated as follows with respect to the approximate solution:

If this approximate solution is substituted into the weak form from Eq. 3-49 the following system of equations emerges (in matrix form):

with the components of the matrix being:

 stands for the derivative with respect to time, i.e. .


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Hydrodynamics of Floods
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TUHH

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