Chapter 2 – Why WPM?
Surge Analysis and the Wave Plan Method
Supplementary Material: Example Problems and Solutions
Chapter 2 – Problem 2.14
2.14 The estimated cost of a preliminary surge protection design for a large pipeline project was approximately $5 million. A genetic algorithm (GA) based optimization scheme was proposed to arrive at a more economical design for the surge protection system. The GA-based design process requires the model to be analyzed (under unsteady conditions as opposed to steady state calculations) at least 10,000 times to arrive at a dependable and economically optimal design.
a. How long does it take to arrive at an optimal design if the CPU time required for each surge analysis run averages 10 min?
b. How long does it take to arrive at an optimal design if the CPU time required for an alternate solution technique is an order of magnitude less than the current solution technique?
c. How long does it take to arrive at an optimal design if the CPU time required for an alternate solution technique is two orders of magnitude less than the current solution technique?
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