|
Verification and Validation of Computer Simulation Models is conducted during the development of a simulation model with the ultimate goal of producing an accurate and credible model.〔Banks, Jerry; Carson, John S.; Nelson, Barry L.; Nicol, David M. ''Discrete-Event System Simulation'' Fifth Edition, Upper Saddle River, Pearson Education, Inc. 2010 ISBN 0136062121〕〔Schlesinger, S. 1979 el al. Terminology for model credibility. Simulation 32 (3): 103-104.〕 "Simulation models are increasingly being used to solve problems and to aid in decision-making. The developers and users of these models, the decision makers using information obtained from the results of these models, and the individuals affected by decisions based on such models are all rightly concerned with whether a model and its results are “correct”".〔Sargent, Robert G. VERIFICATION AND VALIDATION OF SIMULATION MODELS. Proceedings of the 2011 Winter Simulation Conference. http://www.informs-sim.org/wsc11papers/016.pdf〕 This concern is addressed through verification and validation of the simulation model. Simulation models are approximate imitations of real-world systems and they never exactly imitate the real-world system. Due to that, a model should be verified and validated to the degree needed for the models intended purpose or application.〔 The verification and validation of simulation model starts after functional specifications have been documented and initial model development has been completed.〔Carson, John, MODEL VERIFICATION AND VALIDATION. Proceedings of the 2002 Winter Simulation Conference. http://informs-sim.org/wsc02papers/008.pdf〕 Verification and validation is an iterative process that takes place throughout the development of a model.〔〔 == Verification == In the context of computer simulation, verification of a model is the process of confirming that it is correctly implemented with respect to the conceptual model (it matches specifications and assumptions deemed acceptable for the given purpose of application).〔〔 During verification the model is tested to find and fix errors in the implementation of the model.〔 Various processes and techniques are used to assure the model matches specifications and assumptions with respect to the model concept. The objective of model verification is to ensure that the implementation of the model is correct. There are many techniques that can be utilized to verify a model. Including, but not limited to, have the model checked by an expert, making logic flow diagrams that include each logically possible action, examining the model output for reasonableness under a variety of settings of the input parameters, and using an interactive debugger.〔 Many software engineering techniques used for software verification are applicable to simulation model verification.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Verification and validation of computer simulation models」の詳細全文を読む スポンサード リンク
|