and their weights and how these terms relate to the physicsbeing captured. The weights of differential equations are generally design (structural or fluid)parameters or properties. Some classical examples are provided in equation 1 and equation2. ∂u ∂ 2u ∂ 2u ∂ 2u q˙ =α 2 + 2+ 2 + (1) ∂t ∂x ∂y ∂z ρcp ∂ 2u ∂ 2u =c (2) ∂t2 ∂x2The heat
grip on cruise ship pollution. Friends of the Earth. Retrieved from http://www.foe.org/search-results?q=Getting+a+grip&x=0&y=044. Oceana. (2004, June). Contamination by cruise ships. Retrieved from http://oceana.org/sites/default/files/ reports/cruise_ships_pollution_Jun2004_ENG.pdf45. Dwyer, L., Douglas, N., & Livaic, Z. (2004). Estimating the economic contribution of a cruise ship visit. Tourism in Marine Environments, 1, 1-12.46. Assessment of the economic impact of cruise ships to Vanuatu. (2014, August). Retrieved from http://www.ifc. org/wps/wcm/connect/545bc20045521e26a65aaec66d9c728b/Assessment+of+the+Economic+Impact+of+Cruis e+Ships+to+Vanuatu+REPORT.pdf?MOD=AJPERES47. Lawrence, S. (2010, April 7). Are