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AIRCRAFT DESIGN AND SYSTEMS GROUP (AERO)
OpenVSP-Connect –
Visualize Your Aircraft Sizing Results with
NASA’s Vehicle Sketch Pad
CEAS European Air & Space Conference 2013
Linköping, Sweden
16 to 19 September 2013
Dieter Scholz Hamburg University of Applied Sciences
Tahir Sousa Hamburg University of Applied Sciences
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 2
Aircraft Design and Systems Group (AERO)
Abstract
A 3D visualization is missing for many aircraft preliminary sizing tools. NASA’s Open
Vehicle Sketch Pad (OpenVSP) is easy to use, but lacks an interface to input
consistent aircraft data. Such an interface has been programmed and is called
OpenVSP-Connect. Aircraft are sketched from about 50 parameters. If these are not
known to the user, the interface calculates them as good as possible based on simple
equations from aircraft design or statistics. Taken this to the extreme, a decent
looking aircraft is drawn from as few as two input parameters.
OpenVSP-Connect – Visualize Your Aircraft Sizing Results with NASA’s Vehicle Sketch Pad
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 3
Aircraft Design and Systems Group (AERO)
Contents
OpenVSP-Connect – Visualize Your Aircraft Sizing Results with NASA’s Vehicle Sketch Pad
• OpenVSP
• Three Approaches to Visualization with OpenVSP
• OpenVSP-Connect
• Summary
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 4
Aircraft Design and Systems Group (AERO)
Contents
OpenVSP-Connect – Visualize Your Aircraft Sizing Results with NASA’s Vehicle Sketch Pad
• OpenVSP
• Three Approaches to Visualization with OpenVSP
• OpenVSP-Connect
• Summary
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 5
Aircraft Design and Systems Group (AERO)
OpenVSP
www.openVSP.org
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 6
Aircraft Design and Systems Group (AERO)
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 7
Aircraft Design and Systems Group (AERO)
81 pages
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 8
Aircraft Design and Systems Group (AERO)
OpenVSP Google Group
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 9
Aircraft Design and Systems Group (AERO)
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 10
Aircraft Design and Systems Group (AERO)
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 11
Aircraft Design and Systems Group (AERO)
OpenVSP Hangar
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 12
Aircraft Design and Systems Group (AERO)
OpenVSP
OpenVSP Hangar
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 13
Aircraft Design and Systems Group (AERO)
hangar.openvsp.org
OpenVSP
OpenVSP Hangar
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 14
Aircraft Design and Systems Group (AERO)
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 15
Aircraft Design and Systems Group (AERO)
OpenVSP and Other Options for 3D Aircraft Visualization
Simple Aircraft Sizing
Parametric CATIA
CEASIOM: AcBuilder SUMO
OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 16
Aircraft Design and Systems Group (AERO)
Contents
OpenVSP-Connect – Visualize Your Aircraft Sizing Results with NASA’s Vehicle Sketch Pad
• OpenVSP
• Three Approaches to Visualization with OpenVSP
• OpenVSP-Connect
• Summary
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 17
Aircraft Design and Systems Group (AERO)
Three Approaches to Visualization with OpenVSP
…
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 18
Aircraft Design and Systems Group (AERO)
Hahn: There are two basic kinds of models created in Open VSP:
The first approach is the “clean sheet” design in which the parameters are
all chosen by the designer using Open VSP. In this case, there is no other
geometry and so this model is considered definitive.
The second approach basic kind of model is the “match” design. … In this
case, there is some other standard of comparison, be it a real aircraft or a
geometry from a different modeler such as CAD. It takes significantly more
effort to produce a model that is as good of a representation as possible.
Usually, the only geometric information available is limited tabular data
and a three - view drawing. There are different ways of building this kind
of model, but the preferred way is to gather the most accurate information
and then expend some effort to derive the parameters that Open VSP
needs to create the model.
Three Approaches to Visualization with OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 19
Aircraft Design and Systems Group (AERO)
The first approach: clean sheet design
• Hand Sketches
• Creative Methods
• Brainstorming
• Gallery Method
• Visualization with
OpenVSP
Three Approaches to Visualization with OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 20
Aircraft Design and Systems Group (AERO)
The second approach: matched design
Three Approaches to Visualization with OpenVSP
Edit the cross sections of the
fuselage in order to line them up
over the background image.
Edit wing parameters to match
the wing and the tail in the
background image.
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 21
Aircraft Design and Systems Group (AERO)
The third approach: calculated design: OpenVSP-Connect
Three Approaches to Visualization with OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 22
Aircraft Design and Systems Group (AERO)
Three Approaches to Visualization with OpenVSP
An approach to "calculated design" under OpenVSP?
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 23
Aircraft Design and Systems Group (AERO)
Three Approaches to Visualization with OpenVSP
See also:
OpenVSP-
Workshop
2012
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 24
Aircraft Design and Systems Group (AERO)
Three Approaches to Visualization with OpenVSP
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 25
Aircraft Design and Systems Group (AERO)
Three Approaches to Visualization with OpenVSP
… but not with OpenVSP ??? … but not with OpenVSP ???
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 26
Aircraft Design and Systems Group (AERO)
Contents
OpenVSP-Connect – Visualize Your Aircraft Sizing Results with NASA’s Vehicle Sketch Pad
• OpenVSP
• Three Approaches to Visualization with OpenVSP
• OpenVSP-Connect
• Summary
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 27
Aircraft Design and Systems Group (AERO)
OpenVSP-Connect
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 28
Aircraft Design and Systems Group (AERO)
OpenVSP-Connect is primarily intended as an interface tool between ANY aircraft
design tool and Open Vehicle Sketch Pad (OpenVSP) from NASA.
OpenVSP-Connect needs OpenVSP for the display of the aircraft. You can download
OpenVSP for free: http://www.openVSP.org
In the order of 50 core parameters of the aircraft are used to calculate the input
parameters required by OpenVSP to sketch a passenger aircraft.
For each parameter a proposed value is given and automatically applied as long as
the user does not specify his/her own value.
By using all default values, the program works in "automatic mode": Ultimately, based
on just two input values "Number of passengers“ and "Cruise Mach number" an
aircraft can be sketched automatically based on passenger aircraft statistics.
OpenVSP-Connect
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 29
Aircraft Design and Systems Group (AERO)
OpenVSP-Connect
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 30
Aircraft Design and Systems Group (AERO)
OpenVSP-Connect
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 31
Aircraft Design and Systems Group (AERO)
OpenVSP-Connect
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 32
Aircraft Design and Systems Group (AERO)
Investigation of folding wings at airports
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 33
Aircraft Design and Systems Group (AERO)
Contents
OpenVSP-Connect – Visualize Your Aircraft Sizing Results with NASA’s Vehicle Sketch Pad
• OpenVSP
• Three Approaches to Visualization with OpenVSP
• OpenVSP-Connect
• Summary
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 34
Aircraft Design and Systems Group (AERO)
Summary
• OpenVSP-Connect is primarily intended as an interface tool between ANY aircraft
design tool and Open Vehicle Sketch Pad (OpenVSP) from NASA.
• For each parameter a proposed value is given and automatically applied as
long as the user does not specify his/her own value.
• By using all default values, the program works in "automatic mode": Ultimately,
based on just two input values "Number of passengers“ and "Cruise Mach
number" an aircraft can be sketched automatically based on passenger aircraft
statistics and "expert" knowledge.
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CEAS European Air & Space Conference
Linköping, Sweden, 16. - 19.09.2013
Dieter Scholz
OpenVSP-Connect 16.09.2013, Slide 35
Aircraft Design and Systems Group (AERO)
http://OpenVSP.ProfScholz.de
OpenVSP-Connect – Visualize Your Aircraft Sizing Results with NASA’s Vehicle Sketch Pad