what steps should occur in the engineering proccess BEFORE developing or building a prototype

Before developing or building a prototype, the following steps should typically occur in the engineering process:

1. Identify the problem or opportunity: Clearly define the problem or opportunity that requires engineering intervention. This involves understanding the project scope, constraints, and objectives.

2. Research and gather information: Conduct a thorough research and collect relevant information about existing solutions, best practices, and industry standards. This step helps in gaining a better understanding of the problem and potential approaches.

3. Define the requirements: Based on the gathered information, define the functional and non-functional requirements of the solution. These requirements outline what the solution should do and any specific constraints it needs to adhere to.

4. Concept development and evaluation: Generate multiple concepts or ideas to address the defined requirements. Evaluate these concepts using various criteria like feasibility, cost, time, and performance. This step involves brainstorming, sketching, and initial calculations.

5. Preliminary analysis and simulation: Conduct initial analysis and simulation to test the feasibility of the selected concept(s). This involves utilizing engineering software or conducting calculations to determine if the proposed concept meets the requirements and performs as expected.

6. Detailed design: Once the concept is selected and verified, develop a detailed design of the solution. This includes creating 2D and 3D computer-aided design (CAD) models, selecting materials, determining dimensions, and considering manufacturing processes.

7. Component selection and sourcing: Identify and select specific components or parts required for the design. Consider factors like availability, cost, quality, and compatibility with other components.

8. Failure analysis and risk assessment: Conduct a detailed failure analysis of the design and evaluate potential risks associated with the solution. This step helps identify possible failure modes, weaknesses, and risks that need to be addressed to improve reliability and safety.

9. Cost estimation and budgeting: Estimate the overall cost of the project, including manufacturing, assembly, testing, and any additional expenses. Establish a budget that aligns with the project's financial constraints.

10. Documentation and communication: Document all the preceding steps, including design drawings, calculations, analysis results, and decision-making processes. Effective communication of the design intent and specifications is essential for collaboration with team members, stakeholders, and manufacturing partners.

Once these steps are completed, the engineering team can proceed with the development and construction of the prototype based on the finalized design.