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System Dynamics Applications / 3 / 3.1 / 3.1.10

3.1.10 Building The Complete Bathtub Model

The complete model with auto reports displayed is shown in Figure 3-36.

The results of simulating the completed bathtub model are shown in Figures 3-36, 3-37, and 3-38.

Figure 3-36. Completed BATHTUB Model
Figure 3-37. Time Table Printout of Flowing Out and BATHTUB—Completed Model
Figure 3-38. Graph of Flowing Out and BATHTUB—Completed Model

Answers to the questions posed earlier can be read from Figures 3-36, 3-37, and 3-38:

a. 53.3 litres.

b. 20.0 litres.

c. 6 minutes 40 seconds (from simulation—see Figure 3-35).

These results agree with those found by graphical integration method.