Final answer:
Engineering utilizes three primary types of models: physical models for tangible demonstrations, mathematical models for abstract problem-solving, and computational models like computer simulations for complex analysis. Computer simulations enhance these models by allowing for cost-effective testing. Sketching and technical drawing are critical in different stages of the Engineering Design Process for visualization and precise construction details, respectively.
Step-by-step explanation:
Comparing Types of Models in Engineering
In engineering, there are fundamentally three types of models - physical models, mathematical models, and computational (or simulation) models. Each model serves different purposes. Physical models, such as prototypes, are tangible and can be used to conduct experiments and visually demonstrate concepts. Mathematical models describe scientific phenomena, can evaluate costs, and are essential to understand the world and solve problems. These often require professional tools for analysis, not just a simple calculator, and they help build models that are more abstract. Computational models, such as computer simulations, help visualize complex processes and conduct virtual experiments, playing a significant role in the design process. They are indispensable in the modern engineering discipline.
Role of Computer Simulations
Computer simulations have revolutionized the way mathematical models are used in engineering. With the aid of computer simulations, engineers can test scenarios and refine models without the cost or time required for physical prototypes. By doing so, simulations contribute significant value in developing efficient and effective solutions for complex engineering challenges.
Sketching and Technical Drawing in Engineering Design
During the Engineering Design Process, sketching is often used in the early stages to quickly visualize ideas. As the process advances, technical drawing becomes crucial, employing precise specifications essential for manufacturing. These drawings, often created using CAD software, provide the detailed instructions required for the construction or fabrication of the engineered solution.