Steps in design process
Mechanical Engineering (MCQ) questions and answers
Design of Machine Elements - 1
Q. In design process, which step is followed after defining the problem?
- Published on 14 Sep 15
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-Posted on 29 Oct 15
Different phases are involved in the design process, which are as follows:
a) Recognition of need:
In this phase, need of changing the system is considered, when passenger dissatisfaction is observed. This may be done to reduce pollution level or to bring out innovative ideas.
b) Problem definition:
This phase must include input parameters, functional requirements of system and constraints such as load-variation characteristics, manufacturing methods, cost, etc.
Synthesis is a process of creating or selecting the configuration of the system. Desired output is obtained by specifying the given inputs such as materials, sizes and shapes of components. This phase involves number of iterations and is a highly creative act.
d) Analysis and optimization:
It is a process of critically examining a proposed design to judge its sustainability for the given task. Optimum solution is selected from number of solutions analyzed.
Feasibility of the system is verified by testing the prototype or by creating model on the computer. Evaluation is the final proof of the design if it is successful.
Written documents or solid modeling can be used to present the data to others. This the final step followed by the above phases.
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