[{"data":1,"prerenderedAt":216},["ShallowReactive",2],{"doc-/logbook-experiments/body/catamaran_flat_hull_flared_sides_design":3},{"id":4,"title":5,"author":6,"body":7,"date":200,"description":201,"extension":202,"image":203,"location":204,"meta":205,"navigation":206,"path":207,"seo":208,"stem":209,"tags":210,"__hash__":215},"content/logbook-experiments/body/catamaran_flat_hull_flared_sides_design.md","[LOGBOOK] Selection of Flared Flat-Bottom Catamaran Hull Design for Enhanced Stability","Bagas Widi",{"type":8,"value":9,"toc":187},"minimark",[10,15,19,22,25,30,33,48,51,53,57,60,63,74,77,79,86,90,93,98,105,116,120,127,145,147,151,154,168,175,177,181,184],[11,12,14],"h1",{"id":13},"catamaran-flat-hull-with-flared-sides-design-selection","Catamaran Flat Hull with Flared Sides Design Selection",[16,17,18],"p",{},"During the hull design stage, the selection of hull geometry becomes a critical factor influencing vessel stability, operational efficiency, and maneuverability, particularly for operations in calm inland waters such as lakes.",[16,20,21],{},"The team conducted a comparative study of several catamaran hull configurations to determine the most suitable design for the intended operational requirements.",[23,24],"hr",{},[26,27,29],"h2",{"id":28},"_1-catamaran-hull-design-alternatives","1. Catamaran Hull Design Alternatives",[16,31,32],{},"In the initial design phase, the following catamaran hull configurations were evaluated:",[34,35,36,43],"ul",{},[37,38,39],"li",{},[40,41,42],"strong",{},"Round Hull Catamaran",[37,44,45],{},[40,46,47],{},"Flat-Bottom Catamaran with Flared Sides",[16,49,50],{},"Each configuration exhibits distinct hydrodynamic behavior and stability characteristics.",[23,52],{},[26,54,56],{"id":55},"_2-characteristics-of-the-round-hull-catamaran","2. Characteristics of the Round Hull Catamaran",[16,58,59],{},"The round hull catamaran offers smoother motion response and gradual interaction with wave disturbances.",[16,61,62],{},"However, this design presents a major limitation:",[34,64,65],{},[37,66,67,70,73],{},[40,68,69],{},"Relatively Low Initial Stability",[71,72],"br",{},"\nVessels with round hull configurations tend to have a smaller initial righting moment, resulting in slower recovery to an upright position after wave-induced disturbances.",[16,75,76],{},"Due to this characteristic, the round hull configuration is less suitable for applications requiring a highly stable operational platform.",[23,78],{},[16,80,81],{},[82,83],"img",{"alt":84,"src":85},"Flat-Bottom Hull with Flared Sides","/images/research/body-design/hull-360.gif",[26,87,89],{"id":88},"_3-characteristics-of-the-flat-bottom-catamaran-with-flared-sides","3. Characteristics of the Flat-Bottom Catamaran with Flared Sides",[16,91,92],{},"As an alternative, the flat-bottom catamaran configuration provides significant advantages in terms of initial stability.",[94,95,97],"h3",{"id":96},"_31-initial-stability","3.1 Initial Stability",[16,99,100,101,104],{},"The flat-bottom hull geometry delivers ",[40,102,103],{},"higher initial stability",", enabling the vessel to:",[34,106,107,110,113],{},[37,108,109],{},"Return more quickly to an upright position",[37,111,112],{},"Maintain stability under wave disturbances",[37,114,115],{},"Provide a more rigid and stable platform for onboard equipment installation",[94,117,119],{"id":118},"_32-role-of-flared-sides","3.2 Role of Flared Sides",[16,121,122,123,126],{},"The incorporation of ",[40,124,125],{},"flared sides"," into the hull design offers additional benefits, including:",[34,128,129,137],{},[37,130,131,134,136],{},[40,132,133],{},"Wave impact mitigation",[71,135],{},"\nFlared sides help deflect incoming waves away from the deck, reducing the risk of water ingress during wave encounters.",[37,138,139,142,144],{},[40,140,141],{},"Improved buoyancy and safety",[71,143],{},"\nThis design increases the upper hull volume, contributing to enhanced buoyancy and overall operational safety.",[23,146],{},[26,148,150],{"id":149},"_4-design-selection-justification","4. Design Selection Justification",[16,152,153],{},"The combination of a flat-bottom hull with flared sides results in a catamaran design that:",[34,155,156,159,162,165],{},[37,157,158],{},"Exhibits high initial stability",[37,160,161],{},"Provides reliable maneuverability",[37,163,164],{},"Operates efficiently in calm water environments",[37,166,167],{},"Supports increased payload capacity and equipment integration",[16,169,170,171,174],{},"Based on operational requirements that prioritize stability and reliability for lake-based missions, the team selected the ",[40,172,173],{},"Flared Flat-Bottom Catamaran Hull"," as the most suitable hull configuration.",[23,176],{},[26,178,180],{"id":179},"conclusion","Conclusion",[16,182,183],{},"The selection of the flared flat-bottom catamaran hull was driven by stability, safety, and operational efficiency considerations.",[16,185,186],{},"Compared to the round hull configuration, this design offers superior performance for calm inland water applications and supports stable, reliable vessel operation throughout mission execution.",{"title":188,"searchDepth":189,"depth":189,"links":190},"",2,[191,192,193,198,199],{"id":28,"depth":189,"text":29},{"id":55,"depth":189,"text":56},{"id":88,"depth":189,"text":89,"children":194},[195,197],{"id":96,"depth":196,"text":97},3,{"id":118,"depth":196,"text":119},{"id":149,"depth":189,"text":150},{"id":179,"depth":189,"text":180},"15 December 2025","Design selection process of a flared flat-bottom catamaran hull based on stability analysis, hydrodynamic characteristics, and operational suitability for calm water environments.","md","/images/research/body-design/hull-comparison.webp",null,{},true,"/logbook-experiments/body/catamaran_flat_hull_flared_sides_design",{"title":5,"description":201},"logbook-experiments/body/catamaran_flat_hull_flared_sides_design",[211,212,213,214],"Hull Design","Catamaran","Stability Analysis","Marine Structures","IQQhbYv0csnf3USW3pm6zt123a1qKSaH1qDOEu5GfBU",1768857524012]