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- Orca3D Level 2, Standalone license
Orca3D Level 2, Standalone license
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| SKU | Orca3D-L2 |
|---|---|
| Status | Enabled |
Hull Design & Fairing
The design of a vessel in Orca3D begins with the hull model. Hull design is a unique combination of artistic expression and engineering analysis, combining to form a creative process to meet the aesthetic and performance requirements of the vessel.
The software that you use to transform the hull from an idea to a 3D computer model should enrich the creative process, with guidance provided by precise and detailed analyses. With Orca3D, you have complete freedom to create any type of hull, beginning with a concept and carrying through to final fairing, while ensuring that the hull meets yourhydrostatic properties.
Hydrostatics & Stability
The process of hull design is more than simply aesthetics; the hull must meet various other requirements, including overall dimensions, displacement, center of buoyancy, and stability. Therefore, the process of hull design and the analysis of hydrostatics and stability must be closely linked. In Orca3D, the model for these tasks is one and the same; the hull is designed using one or more NURBS surfaces, and these same surfaces are used in the calculation of the hydrostatics and stability properties. In fact, they are so closely linked, that the hydrostatics can be updated in real time, as the hull surface is modified.
WHAT CALCULATIONS ARE INCLUDED?
Orca3D computes intact hydrostatics at one or more waterlines, or multiple displacement/center of gravity combinations. In addition, at each of these conditions, the righting arm curve may be computed. Computed values include:
- Overall and waterplane dimensions
- Integrated values: volume, displacement, center of buoyancy, wetted surface
- Waterplane properties: waterplane area, center of flotation
- Maximum sectional area data
- Hull form coefficients: block, prismatic, vertical prismatic, max section, waterplane, wetted surface
- Stability parameters: transverse and longitudinal inertias and metacentric heights
- Righting Arm Curve: righting arm and trim angle versus heel, height of any points of interest above the flotation plane
Parametric Speed & Power
“How fast will it go?” The Orca3D Parametric Speed/Power Analysis module has two different prediction methods: the Savitsky method to predict the speed/power curve for chine hulls, and the Holtrop method to predict the speed/power for displacement hulls.
Most of the required input parameters are automatically computed from your model, although the user can input or override the values. Results are quickly generated and professionally formatted, and include checks to ensure the validity of the results. Any parameters that are outside of the ranges of the prediction method are flagged.
The results of the analysis are presented in easy-to-read reports, which include a summary of input data, checks of the parameters of your design versus the limits of the analysis method, and performance data versus speed. Plots of various parameters are also included, and the entire report may be printed or exported to Microsoft Excel or PDF.
Weight & Cost
The success of any design hinges on its weight and center of gravity (CG). These parameters are fundamental to stability, speed, payload capacity, seakeeping performance, etc. Weight and CG tracking therefore must be a fundamental part of any design process.
Cost is another critical factor in the success of a design, and good engineering practice calls for cost considerations to be closely tied to the design process.
Orca3D’s Weight/Cost Tracking module adds value to your Rhino model by assigning weight and cost parameters to the objects in the model, and summarizing and presenting the data.
For example, a surface that represents a portion of the hull can be assigned a weight per unit area, and as that surface is modified, the total weight and center of gravity updates automatically. The cost parameter is broken down into material cost and labor cost, and can also be assigned on a per unit area basis. Similarly, curves can be assigned values on a per unit length basis, and solids can have either per unit area or per unit volume values. Also, curves, surfaces, and solids, as well as point objects, can be assigned an absolute value for weight and/or cost, that will not change as the object is modified.
To simplify the process of assigning weight and cost values to your objects, Orca3D includes the ability to create a library of stock materials, and you can assign a stock material to the objects in your model. For example, you might create “5 mm steel plate,” with a unit weight per square meter, a material cost per square meter, and a labor/fabrication cost per square meter.
Orca3D Marine CFD
Orca3D Marine CFD is the combination of the Orca3D marine design plug-in for Rhino and the Simerics-MP (Multi-Purpose) CFD software, to provide a fast, accurate, and easy-to-use CFD solution for the naval architect. By combining a specialized interface in Orca3D and a custom marine template in SimericsMP, we have brought an affordable, powerful, and proven set of analysis tools to the desktop of the designer, without the need to become a CFD specialist.
Orca3D Level 2 (A Marine Design Plug-in for Rhino 7)
~ commercial single-user license.
~ software comes in download version.
~ Level 2 includes the modules for:
Hull Design, Hydrostatics/Intact Stability, Speed/Power Analysis and Weight/Cost Tracking
Marine CFD Pre/Post Processing (CFD computation module sold separately).