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NAPA User Meeting 2019

June 4, 2019 (9:00 am) – June 6, 2019 (4:00 pm)

Clarion Hotel Helsinki, Finland
Tyynenmerenkatu 2, 00220 Helsinki

Meeting Fee 1000 EUR (+ VAT 24 %). For all non-Finnish companies VAT is nondeductible.

We are happy to invite you to join us for the NAPA User Meeting 2019.  The meeting will provide useful information concerning NAPA’s recent and future developments, as well as opportunities for learning new ways to use NAPA.

Discussions with colleagues and NAPA personnel will provide an excellent forum for sharing ideas. As always, the Get-Together Party and dinners offer more relaxed settings for meeting old friends and making new ones.

Program Overview

Tuesday, June 4         General presentations and workshop sessions
Wednesday, June 5   Workshop sessions, NAPA Labs and general presentations
Thursday, June 6       Hands-on training sessions and face-to-face meetings with NAPA staff

Hot Topics and Contents

  • Interesting customer stories with NAPA Optimization and NAPA Steel
  • Application of NAPA Flooding Simulation for a detailed analysis of SOLAS damage stability results
  • New hull form and surface modelling tools in NAPA Designer
  • FEM in NAPA Designer
  • Meet the NAPA developers and see the new development topics at NAPA Labs: A great opportunity to test new beta level features and affect to the development of NAPA
  • Overview of latest NAPA Releases
  • Informative workshop sessions
  • Hands-on user training sessions
  • Meetings with NAPA Staff (To be requested in advance, please contact

Please take a look at the preliminary program below for more information.

Preliminary Program

Monday, June 3

Get-Together Party at 19:00 – 23:00 at Clarion Hotel


Tuesday, June 4

Time Subject
09:00 – 10:30 NAPA User Meeting 2019 begins with the welcome words!

NAPA Product News

10:30 – 11:00 Coffee break
11:00 – 12:30 Application of Flooding Simulation for a Detailed Analysis of SOLAS Damage Stability Results

At present, probabilistic damage stability calculations in SOLAS Ch II-1 use simplified methods for defining the intermediate stages of flooding. Consequently, cross-flooding and progressive flooding through A-class fire proof boundaries are studied independently. By simulating the flooding progression, the artificial construction of flooding in stages and potential alternative flooding scenarios can be avoided.

Digital Twin for Monitoring Remaining Fatigue Life of Critical Hull Structures

Current technology in weather and environment, monitoring combined with the open AIS information available for tracking ships in service has opened possibilities for estimating the real environmental history of a ship experienced during her lifetime. When this big data is processed with advanced analyses and combined with the digital twin of a real ship in operation, it will open possibilities for estimating valuable and important information, such as the remaining fatigue life for ship structures.

Design Optimization of Floating Offshore Wind Turbine Support based on Genetic Algorithm Methodology
Evgeny Andreev, Doris Engineering

The support of a floating offshore wind turbine is a keystone to get an economically viable project. A good concept implies to have the lightest weight of material, a good restoring force, and a dynamic behaviour compatible with the wind turbine to be supported. It means that we are facing a complex optimization problem with tens of variables and multiple objectives to achieve.

Managing Design Complexity for Cruise Vessels with NAPA Steel
Michael Zimmermann, MV Werften

The design of large cruise vessels is a complex task where many disciplines need to be developed according to respective requirements and where all systems have to be integrated into one common ship structure. At MV Werften a new approach is developed which uses NAPA Steel as a central tool for a streamlined concept and basic design, to improve data integrity and data consistency but also to a reduce error rate in design.

12:30 – 13:40 Lunch break


Time NAPA Naval Architecture NAPA Steel
13:40 – 15:00 Design Method for Efficient Cross-flooding Arrangements on Passenger Ships

(Abstract will be published later)

Advantages of Flooding Simulation in Verification of Design
Davide Camporese, Studio Engineering

NAPA flooding simulation offers great opportunities in design optimization of voids in lower decks areas. SOLAS damage stability regulations require that a damage can be considered instantaneous whether its equalization is completed within 60 seconds. The importance of instantaneous flooding consists of considering only the final stage of flooding which gives better results in stability index values.

NAPA flooding simulation, with its time-based analysis, makes a better description of the physical equalization process and gives to the designer one more tool to satisfy SOLAS requirements without geometrical changes and improve stability index.

Application of NAPA for a Landing Platform Dock
Bagus Puji, PT.PAL Indonesia

(Abstract will be published later)

Swift Move from Naval Architecture NAPA model to NAPA Steel Model
Jung Dong Uk, Daewoo Shipbuilding and Marine Engineering (DSME)

DSME has been developing many NAPA Manager applications for NAPA Naval Architectural (NA) models. Now we are seeking the chance to support NAPA Steel models from NAPA NA model with same manner of NAPA Manager Applications.

The DSME LNGC Manager application is one of the examples for showing that a NAPA Manager application can share the geometry information with two models and improve the productivity without hurting the strength of NAPA Designer.

Latest news on 3D Model Based Approval

(Abstract will be published later)


Wide Range of Modeling Functions of NAPA Designer

The powerful tools of NAPA Designer for structural modelling including the latest development.


FEM in Designer

A NAPA Steel geometry model can be converted into a good quality finite element (FE) mesh for further processing by using the latest tools of NAPA Designer for FE meshing.


Hull Weight Estimation and Structural Basic Design by NAPA Steel
Kim Ju Won, Daewoo Shipbuilding and Marine Engineering (DSME)

It’s very important to create a structural arrangement and estimate the hull weight quickly for a new design, in an early design stage. By using the powerful functions of 3D modeling of NAPA, the Panamax size vessels have been modeled in 2-3 weeks, with simultaneously completing well also the initial scantlings and weight estimation.

Once the NAPA model has been completed, it is the only solution for the weight estimation corresponding the repeated modifications of the hull form, arrangement and scantlings.

15:00 – 15:30 Coffee break Coffee break


Time Subject
15:30 – 17:00 First Workshop Sessions

Dinner at 19:00 – 23:00 at Restaurant NJK


Wednesday, June 5

Time Subject
09:00 – 10:30 Second Workshop Sessions
10:30 – 11:30 Coffee break
11:00 – 12:30 Third Workshop Sessions
12:30 – 13:40 Lunch break
13:40 – 15:00 NAPA Labs
15:00 – 15:30 Coffee break


Time NAPA Naval Architecture NAPA Steel
15:30 – 16:30 Hull form in NAPA Designer

Development of the new hull form modelling tools in Designer was started in 2018. This presentation will demonstrate the features&functionality which are already released, and what are the development plans, and finally, what is our vision on the hull form modelling tool-set in NAPA Designer.

Stability in NAPA Designer

We have been developing the new functions for stability calculations in NAPA Designer. We will present some highlights of the on-going development.


Interfacing News

(Abstract will be published later)

NAPA Steel Hints & Tricks

(Abstract will be published later)

Development of Hull Weight Estimation Program using NAPA Steel

(Abstract will be published later)

16:30 – 16:35 Short break Short break


Time Subject
16:35 – 17:00 Better User Experience with NAPA

Final Words of NAPA User Meeting 2019

Closing Party at 19:00 – 23:00 at Allas SeaPool’s Wine and Dine


Thursday, June 6

Time Subject Alternative
09:00 – 10:30 Training Sessions Meetings with NAPA Staff*
10:30 – 11:00 Coffee break Coffee break
11:00 – 12:30 Training Sessions continue Meetings with NAPA Staff*
12:30 – 13:40 Lunch break Lunch break
13:40 – 15:00 Meetings with NAPA Staff* Meetings with NAPA Staff*

* The face-to-face meetings with NAPA Staff should to be booked in advance.

** This is a preliminary program and some modifications may still be expected.

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