From: Optimal shape design of an airship based on geometrical aerodynamic parameters
\((\alpha , \beta )\) | \(f_{x,a}\) | \(f_{y,a}\) | \(f_{z,a}\) | \(M_{a}\) | \(N_{a}\) |
---|---|---|---|---|---|
\((+, +)\) | − | − | − | \(+\) | − |
\((+, -)\) | − | \(+\) | − | \(+\) | \(+\) |
\((-, +)\) | − | − | \(+\) | − | − |
\((-, -)\) | − | \(+\) | \(+\) | − | \(+\) |