Research on credibility of digital simulation

The research of simulation credibility is one of the highlights in the digital simulation field. This article discusses the significance of the research of simulation credibility and its relationship with the modeling and simulation. This article also explains the operation methods of the model verification, validation, accreditation with some examples and analyses the major factors that affect the accreditation and credibility of the simulation results. Besides, the article explores the main problems and contents of the credibility research for digital simulation.