## AIChE Symposium Series, Issue 323 |

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Page 75

In a logic-based setting, the absence of a component is treated as a separate

case in a

in conjunctive normal form, which is a conjunction of

logical ...

In a logic-based setting, the absence of a component is treated as a separate

case in a

**disjunction**which the ... It requires that the logical constraints be writtenin conjunctive normal form, which is a conjunction of

**disjunctions**of literals (logical ...

Page 76

The simplest relaxation of a

constraints Y(^ e (0,1 } with 0 < < 1 in the big-M model (3). One can also use the

convex hull formulation (RDP), to be discussed in the next section. Both of these

...

The simplest relaxation of a

**disjunction**is obtained by replacing the 0-1constraints Y(^ e (0,1 } with 0 < < 1 in the big-M model (3). One can also use the

convex hull formulation (RDP), to be discussed in the next section. Both of these

...

Page 77

Note that for every

Boolean variable Yfo that is true are imposed. ... K are generated for subsets of

master ...

Note that for every

**disjunction**keSD only constraints corresponding to theBoolean variable Yfo that is true are imposed. ... K are generated for subsets of

**disjunction**terms = { / | Jj'Jt = true } , one can define the following**disjunctive**OAmaster ...

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### Contents

INVITED PAPERS | 1 |

RECENT DEVELOPMENTS | 21 |

The Web and Flow of Information in Pharmaceutical RD | 23 |

Copyright | |

44 other sections not shown

### Common terms and phrases

AIChE algorithm alternatives analysis application azeotropic batch process behavior Biegler branch and bound CAPE-OPEN Chem chemical engineering chemical process Chtm Cktm codes column Comp Cktm components composition computational computational chemistry concepts constraints convex cost crystallisation defined disjunction distillation dynamic energy equations equipment evaluation example exergy feasible feed Figure Floudas flow flowsheet formulation function global optimization Grossmann implementation industry information model integration interactions interface iteration lifecycle linear linear programming material mathematical methods Microreaction Technology microreactor MINLP molecular molecular dynamics networks nonconvex nonlinear programming objective optimisation optimization problems parameters particle performance phase Pistikopoulos plant procedure process design process development process engineering process modeling process optimization process synthesis process systems properties reaction reactive reactive distillation reactor recycle selection simulation solution solved solvents solver specific Stephanopoulos strategy structure techniques temperature thermodynamic unit operations