Math Model
Our program for our project consists of the four following equations:
D = CD * S * ½ * r * V2
CD = CDI + CD0
CDI = CL2 / p * e * AR
CDP = CL02 / p * e * AR
The preceding equations are the mathematical models within the body of our program. The first equation is the main equation to give us the total drag number. The proceeding equations after the first one are used to calculate all the variables of the first equation. See explanation of the equations and the variables (Appendix A).
Method and Implementation
Originally, WAD! (Or What A Drag!, our program that is written in the C++ programming language) was the design of only one member of the group using the editor Pico. After determining all the bugs from the original and fixing most of them we found an easier way to write our program. Using the compiler Dev-C++ 4 our group rewrote from scratch a more accurate program with a less confusing layout. The decision to use Dev-C++ 4 was because of its simplicity and user-friendly environment. Research was done by the whole group. Working compliantly, at meetings, the information needed was found. We used mainly internet sites, books, and information we received from people as our source of information.
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