gPROMS ModelBuilder version 2.3.1

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Optimisation Entities 5.1 Introduction This chapter describes the functionality and use of the intelligent editor for the formulation of an optimisation problem. Some basic familiarity with the gPROMS language and concepts is assumed. Details of how gPROMS can be used to perform (dynamic) optimisation calculations can be found in the gPROMS Advanced User Guide. Apart from the usual gPROMS language and properties tabs, there are three additional tabs for an Optimisation Entity: General Controls Constraints Please note that any changes in the intelligent editor will affect the text based editor and vice versa. 42
43 Specifying General information for an optimisation activity 5.2 Specifying General information for an optimisation activity The user can define the name of the Process which the optimisation refers to, the objective function, whether this function is to be maximised or minimised and the type of optimisation (point or dynamic) to be performed in the General tab (see Figure 5.1) When dynamic optimisation is selected, the user needs to provide values for the guess, lower and upper bounds of the Time horizon. A default entry for the Control interval also appears in the cell matrix at the bottom window. The user needs to specify the values of the duration, lower and upper bounds for this Control interval before proceeding to another Control interval by clicking the Duplicate button. If the Fixed check box is selected, the bounds will be fixed according to the specified duration. For point or steady state optimisation, the Time horizon and the Control interval fields are disabled. Process name Variable full pathname Figure 5.1: General tab of Optimisation Entity Editor tabs
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Figure 9.2 Multiple editor mode Fig
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gPROMS ModelBuilder version 2.3.1

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