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Product Name: MultiSurface Aerodynamics
Product Description
MultiSurface
Aerodynamics is a powerful computer aided engineering (CAE)
software tool for the marine industry. It is recommended for professionals who
perform aerodynamics conceptual design and analysis of competition sailboats and
other high performing vessels. Without MultiSurface Aerodynamics, developing a
viable keel involves building a prototype, screening it in a wind tunnel or tow
tank and then actually placing the appendage on a yacht for an ocean test.
MultiSurface Aerodynamics speeds up the process of producing a finished keel,
rudder or sail by simulating the the product using an ordinary PC. Ideas (even
the most outlandish) for improving the airfoils, planform and size of appendages
and sails can be tested in minutes with MultiSurface Aerodynamics.
Some features of the software include:
- Airfoil analysis and re-design
- Accurate computation of lift, drag and moments of 3D keel and
rudder surfaces
- Computation of separation points along the span
- Maximum lift calculation for both airfoils and 3D wings
- Cavitation screening
- 3D output in the form of .stl files
Online Software Demos
MultiSurface Features
Use MultiSurface Aerodynamics's airfoil analysis tools to:
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Compute lift, profile drag and moment coefficient for
airfoil sections.
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Compute bending, twisting and yawing moments
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Compute center of effort
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Estimate the maximum lift for airfoil sections at
different Reynolds Numbers.
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Generate multiple graphs of Cl vs. AOA, Cm vs
AOA, Cl vs. Cd, Cl/Cd vs. AOA, etc. to facilitate comparison of airfoil
sections at various sailing conditions.
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Edit, print, copy to clipboard and export graphs to
.bmp file format.
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Generate coordinates for NACA 4, 5 & 6-Digit
Airfoils.
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Read-in custom airfoils sections for analysis
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Modify & save airfoils using the Airfoil Data
Tool.
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Plot airfoils to any size.
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Export airfoils to .dxf files for inclusion in CAD
programs.
To size the actual keel, use the MultiSurface Aerodynamics planform
design & analysis features to:
- Compute the overall lift for rectangular & tapered keels &
rudders.
- Analyze the effects of different aspect ratios.
- Estimate maximum lift for the keels.
- Compute & compare the profile and induced drag for different
keels & rudders.
- Analyze keels & rudders with distinct airfoils at the root and
tip chords (linear aerodynamic twist)
- Analyze keels with positive/negative dihedral angles for canting
keel designs.
- Analyze keels with forward and backwards sweep to test stability.
- Compute neutral point for the keels and determine longitudinal
stability.
- Generate graphs and compare CL vs. AOA, CM vs. AOA, CL/CD vs. AOA
& CL vs. CD for similar keel and rudder designs.
- Edit, print, copy to clipboard and export graphs to .bmp file
format.
- Generate tables of keel & rudder characteristics for different
angles of attack, speeds, water conditions and planform size.
- Export tables to .csv file format for use in spreadsheet programs.
- Export 3D wings to .stl file format for virtual prototyping use in
other CAD/CAE software.
MultiSurface Aerodynamics come with a built-in library of NACA 4, 5
& 6-digit airfoils, a cross sectional tool and water data. It can be used to
read-in and analyze custom airfoils. The software exports tables to .csv files
for easy inclusion in spreadsheet programs. It also exports a .stl file that can
be imported into other CAD /CAE software packages and used by CNC machines.
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