Sentence:  [...] of the <WSD>Yngling</WSD> was calculated based on the known mass of the boat, including all equipment, and an estimation of the mass of the three female crew members. A triangular surface mesh was constructed on the Yngling geometry, with computational cells clustered and refined in regions of predominant interest and high surface curvature eg keel/rudder leading and trailing edges. 
Meaning of the word marked with <WSD> tags:  A type of two-man keelboat from Norway.