751 Computer modeling

The use of computer models to assist in plant layout decisions can often be helpful, but a clear understanding of what they can and cannot do is needed. Used blindly, they can lead to solutions which are, in some sense, optimal but which have little practical merit.

In discussing the benefits and limitations of modeling we distinguish between three types:

1. Optimizing calculations for plant layout;

2. Flowsheet models for sizing the individual items of equipment;

3. Simulation models for understanding the interaction between different manufacturing units.

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