Which boundary is most critical for flooding?

The most critical boundary for flooding is the horizontal boundary with the most cargo ships on it. This is because a high density of ships can lead to increased pressure on that boundary as well as the potential for significant water displacement in case of a breach. When many vessels are moored close to one another, any breach or flooding incident can have compounded effects, leading to rapid flooding in the surrounding area.

Furthermore, a heavily trafficked horizontal boundary often indicates a higher risk of collision or other operational issues that could lead to flooding. Managing the safety and structural integrity of this boundary becomes critical to ensure that any incidents do not escalate into larger flooding disasters.