GlossaryGuide

Etym model sense of “thing or person to be imitated” is 1630s.

Etym. simulation (n.) noun of action from past participle stem of simulare “imitate,” from stem of similis “like.” Meaning “a model or mock-up for purposes of experiment or training” is from 1954.

Definition

• The terms modeling and simulation are often used interchangeably.

• An academic discipline focused on the study, development, and use of live, virtual, and constructive models, including simulators, emulators, and prototypes to investigate, understand, or provide data.

• The use of models, including emulators, prototypes, simulators, and stimulators, to develop data as a basis for making managerial or technical decisions.