A model-based approach often requires a greater resource investment in early project phases than a document-based approach (Madni & Purohit, 2019). This depends on the initial work required to define requirements, establish models and verify and validate the requirements and models. The merit of the MBE comes from the expanded opportunity for early error detection, optimization, risk minimization, reuse and improved communication. In particular, this merit is the ability to detect errors and deviations from optimal production that can lead to significant cost savings later in the system lifecycle. Overall, the value of MBSE increases as the degree of complexity increases.
Comparison of costs between traditional and model-based engineering (Madni & Purohit, 2019)
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