MITESD_77S10_assn05 (1)


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MASSACHUSETTS INSTITUTE OF TECHNOLOGY 16.888/ESD.77 MSDO 16.888/ESD.77J Multidisciplinary System Design Optimization (MSDO) Spring 2010 Assignment 5 Instructors: Prof. Olivier de Weck Prof. Karen Willcox Dr. Anas Alfaris Dr. Douglas Allaire TAs: Andrew March Kaushik Sinha Issued: Lecture 18 Due: Lecture 22 You are expected to solve Part (a) individually and Part (b) in your project team. Each person must submit their own Part (a) but you should submit Part (b) as a group. Please indicate the name(s) of your teammate(s). Topics : Isoperformance, Multi-Objective Optimization Part (a) Revisit of Bridge Design from A4 Part A1 This problem will revisit the bridge design problem from A4. However, this time you are going to propose a set of designs to the department of transportation so that they can choose a bridge based on the load it will carry and the price they have to pay for the bridge. In other words they will select a bridge based on the applied load it can carry, F=qL, where q is a load per unit length (N/m), L is the length of the bridge, 30m, and the cost, C in dollars. Middle Support I-beams Page 1 of 4
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MASSACHUSETTS INSTITUTE OF TECHNOLOGY 16.888/ESD.77 MSDO The bridge span will be supported by between one and four I-beams. In the figure above, the I- beams would be parallel to each other going into the page, for example it could be one I-beam in the middle of the bridge, or one I-beam on both sides of the bridge, etc. and this will be represented by the design variable, n Ibeams . The shape of the I-beams will be represented by three
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This note was uploaded on 11/08/2011 for the course AERO 16.851 taught by Professor Ldavidmiller during the Fall '03 term at MIT.

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