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Simplex stands for simulation of complex systems, a sequence of projects which was started by Prof. Dr. Bernd Schmidt in the beginning of the eighties at the professorship for operating systems at the university of Erlangen (IMMD 4, Prof. Dr. F. Hofmann).

Simplex (yet numberless) was a computer with parallel processing units that mapped calculations for each model component to a specific processor (Dr. Hellmold).

The actual predecessor of Simplex3 was Simplex2, a software system whose development started in 1985. It was managed by Prof. Dr. Bernd Schmidt and was based on projects of
  • Dr.-Ing. habil. Peter Eschenbacher (Simplex-MDL)
  • Dr.-Ing. Klaus-Jürgen Langer (simulation environment)
  • Dr.-Ing. Klaus Dörnhöfer (graphical output interface )
  • Dr.-Ing. Jochen Wittmann (Simplex-EDL)
  • Dipl.-Inf. Sabine Langer (graphical input interface )

The project Simplex2 was developed within a larger research project sponsered by the Siemens company. Aim of the project was a simulator capable of simulating a flow of material as well as its control, which particulary is well suited to model flexible production systems.

In 1993 the project Simplex2 was completed in Erlangen and continued with the title Simplex3 at the university of Passau at the professorship for operations research and system theory (Prof. Dr. B. Schmidt). By the projects of

  • Dr.-Inf. Thomas Apsel
  • Dr.-Inf. Karin Reger

the simulation system obtained a modern user interface and was used in a large variety of applications.