What is the incidence of "Computation Accuracy" on the calculated results ?
"/ Floatation Only": Only the intersections of present lines with the current floatation plane are taken into account for the calculation (immersed bulb's length will therefore not be taken into account). "/All Immersed Hull": All the immersed line parts are scanned for the calculation ( immersed bulb's length will therefore be fully taken into account). 
Moreover, it is also important to recall that the "Max Hull Dimensions" selector located on tab's page allows selecting the Lwl / Bwl calculation mode as follows: Including a midship section in the model therefore allows solving simply the problem. Nevertheless, the Bwl calculation can be strongly affected when no line or station is located in the midship area, Bwl being then only calculated with the present lines (and, therfore, sometimes only with stem and transom). This simplification usually has no incidence on Lwl / Max Draft calculation, as ship's silhouette (usually present for allowing windage calculations) and / or faces outlines allow an accurate calculation. MAAT Hydro's Bwl and Lwl are calculated by scanning model's current lines immersion (including face's outlines), face's inner areas being, nevertheless, ignored. Why is / are the Bwl / Lwl calculations sometimes erroneous ?
How to display certain important hydrostatic data (free-boards, metacenters, floatation, waterlines, longitudinal strength…) in real time?. Why can negative densities appear on a Weight Curve ?. How to calculate Ship's Longitudinal Strength for a given Load and Swell ?. How to analyze the incidence of progressive damages ?. How to calculate RoRo's damage stability according to Stockholm regulations. How to calculte Water on Deck Stability (Torremolinos convention) ?. How to calculate a Probabilistic Damaged Stability ?. What is the difference between 'Deterministic' and 'Probabilistic' criteria ?. How to calculate a Deterministic Damaged Stability ?. How to calculate the 'Maximum Steady Heel Angle Curves' ?. Why does the IMO A749 (18) criterium calculation stop on theta1 angle calculation ?. Why does the selected criterion sometimes come to nothing?. What can I do when a "No balance can be found" message appears?. What are MAAT Hydro's Swell Parameters ?. Why are MAAT Hydro’s calculations sometimes slower. 
How to parallelize long probabilistic stability calculations when extra computers are available ?.A model is imported but no hydrostatic data is displayed ?.
What is the incidence of the 'Variable (real) FSM' / 'Constant FSM' option on 'Transverse Stability' calculations ?. What is the incidence of "Computation Accuracy" on the calculated results ?. Why is / are the Bwl / Lwl calculations sometimes erroneous ?.
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