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Paramarine Software  
 
Integrated Naval Architecture Software for Ships and Submarines
Paramarine™ is an Integrated Naval Architecture Software tool for commercial ship, warship and submarine design. The Paramarine system features a unique and integrated set of tools which address concept design, performance prediction, strength and structures, radar cross section, powering, maneuvering, endurance, sea keeping, vulnerability and design for production. This sophisticated software is widely used by many European Government & Private shipbuilders due to ease in software usage and quick, accurate on deliverables.

 
 

 
Early Stage Design

This innovative approach is based on Building Block methodology, collating design requirements, product model definition and analysis together to establish the form, function and layout of design. The design is broken down hierarchically in terms of functions (Building Blocks). The building block approach proceeds by refining the top-level functional headings into ever greater detail, maintaining a function-based approach throughout.
 

Structures

The structural definition in Paramarine allows the swift definition of scantlings for an entire ship or submarine. Given a subdivided hull, Paramarine generates the geometry of all the panels and bulkheads for the vessel. The panels can then be assigned a scantling definition consisting of plating and stiffener schemas.
 

Surface Modeller & Solid Modeller

The surface modeller enables the designer to develop a surface-based geometrical definition of their ship or submarine. This license configuration includes functionality to support simple geometrical types such as Non Uniform Rational B-spline Surface (NURBS) entities, planes, polylines, and more complex surface fitting.
 

Stability Analysis Core Module

This module is normally used in conjunction with one or more of the three advanced stability modules, which provide more specific stability calculations and GZ criteria for warships, commercial ships and submarines. The functionality includes the following:
 
  • Loading conditions (surfaced and submerged) including normal or compensated tanks
  • GZ curves: intact, damaged or balanced on a wave
  • Cross-flooding time based simulation and analysis against criteria
  • Damage definition
  • Floodable length calculations
  • Freeboard calculations
  • One and two point grounding analysis and assessing float off
  • Limiting KG curves for stability management
  • Deadweight moment curves for operational use
  • Tank calibrations
  • Define the watertight subdivision
  • Docking analysis
  • Launching calculations

 

 

Powering & Endurance

The Powering Analysis capability of Paramarine enables the designer to assess the effective power of their vessel including air resistance, appendages, fouling, propellers, roughness, shallow water, amongst others using a variety of regression data.

The Endurance functionality within the Powering module allows endurance of a vessel to be analysed by specifying the operational profile, for either surface or subsurface vessels.
 

Radar Cross Section (RCS)

GRC has seamlessly integrated an RCS calculator from CSS of Denmark into Paramarine. This integrated modelling and RCS analysis capability gives a baseline capability for assessing the RCS of ships. CADRCS uses a Physical Optics approach including shadowed areas through a combination of graphical and numerical results enabling a ship to be rapidly analysed from the CAD definition to identify the RCS hotspots. Solutions to eradicate hotspots can be determined either using a simulated RAM coverage or reshaping the structure.
 

Ship Above Water Vulnerability

The Paramarine structural definition allows attributes to be assigned to allow for blast resistant panels with a user definable failure overpressure. Otherwise, the plate panel thickness and aspect ratio govern the estimated failure pressure.

 
Hull Generator

This powerful module allows users to quickly create hull forms or any geometric shape within the Paramarine software suite. Hull Generator provides the capability to rapidly define complex surfaces using a minimal number of curves. From these surfaces solid bodies can be formed.
 

Manoeuvring

Manoeuvring performance can be assessed for numerous vessel propulsion and appendage types including azipod-type drives, and vertical-axis propulsion (e.g. Voith Schneider units). Arbitrary manoeuvres can be performed, as well as standard turning circles and zig-zags. Simulation control can be executed by several methods including: pre-determined engine and ruddercommand history, autopilot and synthesized helmsman.
 

Design for Production

GRC has enhanced the functionality of Early Stage Design. This allows modern Design for Production (DfP) techniques to be applied at the initial design stage, enabling evaluation of DfP issues right from the outset. For complex vessels such as warships, submarines and offshore support vessels, it is essential to consider production aspects of systems and outfit, including their routings, from the earliest stages of design in order to reduce the work content associated with production aspects of the vessel’s systems. DfP has been implemented in Paramarine by linking the ‘functional design’ with production processes to generate feasibility and costing data associated with a particular build strategy.
 

Design Space Exploration

To handle the large number of designs generated by the design space exploration, an automated process was developed. The automated process was split into two components, the design process, and the exploration process. modeFRONTIER is a multi-objective optimization and design environment, written to allow easy coupling to almost any computer aided engineering (CAE) tool, whether commercial or in-house.
 
Benefits
  • Time and cost savings :Design and analysis is streamlined saving significant time and cost.
     
  • Reduced technical risk :Produces accurate modeling results which are extensively validated against third party data.
     
  • Easy to use :Users can develop complex designs and perform a wide range of different analyses quickly.
     
  • Supporting services : Consulting services and training support is available, delivered by leading field experts.
     
  • Onboard tools : Variants of Paramarine - Seagoing Paramarine and Paramarine SeaWeigh -provide structural and stability analysis for onboard decision support.
     
  • Report Generation : Paramarine delivers the ability to produce reports as and when required. Using Paramarine, naval architects are able to easily and rapidly create reports output to Excel and customized in the format required to meet the needs of the regulatory authorities.
 
Modules
  • A001 - Surface Modeler
  • A002 - Solid Modeler
  • A003 - Stability Calculator (Launching& docking)
  • A005 - Stability Criteria - Submarines
  • A009 - Powering
  • A010 - Structural Definition (Ships & Submarines)
  • A012 - Structural Analysis - Submarines
  • A014 - Submarine Early Stage Design
  • A020 - Hull Generation
  • A021 - Design for Production
  • A024 - Submarine Maneuvering
 
Many other modules specific to the types of ship are available which can conjoin and interface with other modules to quantify optimum design requirements.
 
For Further information, please contact Business Development Team on +91-80-26799382 or
click http://www.qinetiq-emea.com/home_grc.html here to visit website.
 



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