NAPA 2013 Ship Design Software
NAPA Contract Design
The ability to build optimal designs quickly in the ship concept phase is crucial for winning and successful delivering contracts. NAPA enables the optimal contract design solution for any kind of floating vessel. As industry leader, NAPA also offers enhanced integration to customers’ processes.
NAPA is the tool for the naval architect in any marine engineering project
Obtaining an optimum contract design solution before contract
Quick and easy creation of entire ship’s 3D model, including surfaces and compartmentsUnequalled speed of displaying design variations for time-efficient identification of the optimal solutionPerformance of relevant naval architectural analyses and assurance of the technical and regulatory feasibility of the designSwift and facile modification of design and geometry changesSeamless interface to basic design – equivalent NAPA modules serve the needs of basic design, design approval and delivery documentationApplicability and flexibility for designing any type of ship or floating structure
NAPA Contract Design key features
Hull form designCompartments and internal geometrySpeed and power predictionHydrostatics and stabilityLoading conditionsSeakeeping and maneuveringStability criteria checkLongitudinal strengthWeight and cost estimationRequired freight rate studiesFreeboard and tonnage calculationGeneral purpose optimization toolsDrawings and reporting
For ship designers
Flexible and efficient design tools for the contracting phase, enabling rapid design changes and optimization
For shipyards
Integrated system ranging from contract design to class drawings and delivery documents
For offshore design
Design tools supporting contracting of offshore structures: modelling and analysis capabilities surpassing common design challenges
NAPA Statutory Compliance
Shipyards and marine engineers of today are in need of precise calculation for stability and strength. Through its strong product model, speed, and accurate calculation engine, NAPA’s Statutory analysis tools is the de facto standard for the shipbuilding industry. NAPA offers a comprehensive stability criteria library covering a substantial portion of the existing statutory requirements. In addition, criteria can be defined for any existing and future stability regulations.
NAPA enables rapid and timely damage analysis with an excellent visualisation of results
Stability analysis software for compliance and approval of design and statutory requirements
Evaluation capability for all relevant stability criteria and requirementsApproved and continuously used by worlds leading classification societies and maritime administrationsIndustry standard module integrating the current regulations and significantly contributes to a smoother approval processEasy-to-use tools for handling the analysis process, such as probabilistic damage stabilityFlooding simulation enabling time-domain progressive calculations for future stability regulationsSuperb capabilities for integration into the ship design processPowerful tools for generating data and reports for relevant parties in the design process
NAPA Statutory compliance key features
Intact and damage stability evaluation for required regulations includingSOLAS 2009 and SPS CodeFlooding Simulation tool for cross flooding calculations according to Resolution MSC.245(83)Revised Annex 1 of MARPOL 73/78 (also Regulation 12A)Generation of limiting GM/KG curvesIACS longitudinal strength including shear force correctionsInclining testGrain stabilityOffshore structure stabilityFreeboard and tonnageDocument generation, such as booklets for Intact and Damage Stability
For ship designers
Comprehensive tool for regulatory stability analysis assisting in designing safe ships and offshore structures
For shipyards
NAPA is a key element in the integrated design process and an industry standard at major shipyards worldwide, providing the designer with flexible tools for any project
For offshore design
Seamless transfer of data from ship designers to authorities, increasing the efficiency and saving time in the approval process
For research institutes and universities
Broad application for research purposes: Studying optimum designs and developing future concepts
NAPA Hull Form and Performance
Optimization and eco-efficiency are increasingly important topics in hull design, setting new requirements and standards for the hull design tools used. NAPA offers the state-of-the-art tools for hull form definition and optimization throughout the entire design process. The unique NAPA hull design methodology allows an applicability exceeding conventional systems while still maintaining the precision needed for final fairing work.
NAPA applied in CFD analysis
Industry’s most advanced tools for hull design and optimization
Unique hull design methodology allowing better control and flexibility while still maintaining the accuracy needed for final fairing workSeveral supported hull design methods: real 3D topological surface modelling, local and global transformations, parametric definitions and moreRendered graphics, sectioning and curvature plotting tools allowing quick and visual evaluation of hull fairnessAll necessary tools for hydrodynamic design of the hull: CFD, optimization, parametric definitions, sea keeping and maneuvering
NAPA Hull form and performance key features
Performance prediction tools integrated in hull design evaluationPower prediction using empirical methods or CFDSea keeping analysis: 6. d.o.f. response in irregular waves, sea keeping criteria, downtime, wave added resistanceManeuvering simulations according to IMO resolution A.751(18)Circle, zig-zag, crash stop, man over board and station keeping calculationsWave resistance calculation based on an integrated CFD viscous flow or potential flow solverOptimum floating position and trim curves with the CFD Manager toolPanel model generation and transfer option to external CFD systemsMulti-objective genetic algorithms to handle any kind of optimization task
For ship designers
State-of –the art tools for hull modelling and optimization enabling competitive designs throughout the design phases. Integrates hydrodynamic analysis as an easy-to-use tool in the everyday design process
For shipyards
Hull form definition and optimization tools for all design phases ranging from concept design to final fairing. Integrates hydrodynamic analysis as an easy-to-use tool in the everyday design process
For offshore design
Flexible modeler for all kind of offshore structures including semisubmersibles and jack-ups. The included panel method allows to check motions, velocities and accelerations caused by the sea conditions
For research institutes and universities
An integrated tool for CFD, hydrodynamics and creating the hull surface for production of tank test models
