Material Detail

Mechanical Design & CAD Explained: Engineering Design & Digital Modeling is an open-access, accreditation-aligned curriculum module developed under the PREP4UNI.ONLINE OER Initiative for undergraduate engineering candidates, mechanical designers, and STEM educators. Structured in accordance with the Washington Accord, EUR-ACE, and IEA Global Engineering Competency frameworks, this module bridges fundamental mechanics of materials with modern 3D CAD modeling, finite element simulation, and design for manufacturing.

The technical scope covers von Mises multi-axial yield criteria, Modified Goodman fatigue boundaries, preloaded bolted joint compliance, and shaft sizing under combined torsion and bending. Advanced computational paradigms include generative topology optimization, Physics-Informed Neural Networks (PINNs), and Model-Based Definition (MBD) standards. The resource incorporates systems engineering trade-off matrices, seven industrial case studies, an interactive HTML5 canvas beam deflection simulator, and six multi-step quantitative worked examples with explicit engineering interpretations.

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