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elliptical lift distribution

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elliptical lift distribution

Old 03-25-2020, 09:18 AM
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Hello guys,
Could someone help me with this document: Lift Superposition and Aerodynamic Twist Optimization for Achieving Desired Lift Distributions (see attachment)
I have a straight wing and i want to twist it geometrically to get an elliptical lift distribution.
I read the document below but i don't really understand what the matrice A and the vector x (respectively at equations 5 and 7) represent.
I understand the first column of the Matrice A but not the others one.
Is it possible to have any examples to help me to understand the concept?
My wing:
span: 1214.36 mm
chord: 202.39 mm
airfoil: Eppler E197.
Thanks in advance.

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