: This paper analyzes the modeling process by means of a field study in the chemical industries. A diversified set of experienced modelers from two different countries have been interviewed using a case study approach. The interviews focussed on the modeling process. Other issues like life-cycle perspectives and the use of modeling in the process industries were treated as well. The information has been summarized and presented in a structured manner imposing the least possible bias from the authors. Based on the interview information the modeling process is discussed in detail. Further, fundamental research issues are identified, and a research agenda is proposed. Keywords: Process models, dynamic modeling, computer-aided modeling, case study approach 1. INTRODUCTION In order to retain or increase their market share chemical process industries, which face increasing pressure from environmental and safety regulations as well as growing demands on product quality and availab..
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