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The OpenVSP discussion group is the place to ask questions, report problems, make requests, or just discuss OpenVSP. When joining, give us a short message about why you want to join. It helps us separate real people from the bots.
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Gian
, …
Jorge Andres Piñero Delgadillo
3
10:40 AM
Open mesh and NaN results
Good day, hope you are doing well. Anyone have an idea on how to troubleshoot a fuselage, any insight
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Open mesh and NaN results
Good day, hope you are doing well. Anyone have an idea on how to troubleshoot a fuselage, any insight
10:40 AM
Ben Jables
10:23 AM
Calculating the effective angle of attack on a propeller blade section using the flow field query
Hi all, I'm working on calculating the effective angle of attack (αeff) on a propeller blade
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Calculating the effective angle of attack on a propeller blade section using the flow field query
Hi all, I'm working on calculating the effective angle of attack (αeff) on a propeller blade
10:23 AM
branislav petrovic
8:47 AM
hinge moment derivatives
Dear VSP team, Is there a proper way to calculate hinge moment derivatives Chα and Chδ in VSPAERO?
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hinge moment derivatives
Dear VSP team, Is there a proper way to calculate hinge moment derivatives Chα and Chδ in VSPAERO?
8:47 AM
Violet Philip
Jul 10
PROBLEM WITH RUN MODE (stability types on VSPAERO) and CRUISING SPEED
Dear OpenVSP community, I am experiencing some issues whenever I press the launch solver for P, Q and
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PROBLEM WITH RUN MODE (stability types on VSPAERO) and CRUISING SPEED
Dear OpenVSP community, I am experiencing some issues whenever I press the launch solver for P, Q and
Jul 10
ROMIX ST4R
,
Rob McDonald
3
Jul 10
Increase resolution
The resolution shown in the Cp slice is directly related to the tessellation around the airfoil (
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Increase resolution
The resolution shown in the Cp slice is directly related to the tessellation around the airfoil (
Jul 10
AlareeqyMARS Robotic
Jul 10
parasite and shock wave drag
when i run VSPAero analysis, inside the stab file i get the (base aero total coeff. column), as what
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parasite and shock wave drag
when i run VSPAero analysis, inside the stab file i get the (base aero total coeff. column), as what
Jul 10
AlareeqyMARS Robotic
,
MC
3
Jul 9
Results Csv file.
thank you MC On Wednesday, July 9, 2025 at 2:58:40 PM UTC+3 MC wrote: This is the hour, minute and
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Results Csv file.
thank you MC On Wednesday, July 9, 2025 at 2:58:40 PM UTC+3 MC wrote: This is the hour, minute and
Jul 9
Rob McDonald
, …
Michael McCartney
13
Jul 5
OpenVSP 3.43.1 Released
Thank you I was plotting Cl*c/cref Mike McCartney 316-204-8769 "Scientist study the world as it
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OpenVSP 3.43.1 Released
Thank you I was plotting Cl*c/cref Mike McCartney 316-204-8769 "Scientist study the world as it
Jul 5
Filippo Pattacini
Jul 3
Problems with modelling the rudder
Hi everyone, I'm trying to model the FUNCUB Multiplex in OpenVSP, but I'm running into some
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Problems with modelling the rudder
Hi everyone, I'm trying to model the FUNCUB Multiplex in OpenVSP, but I'm running into some
Jul 3
Rob McDonald
Jul 2
OpenVSP Workshop Agenda
The OpenVSP Workshop agenda is set. Next week - July 8-10. No registration is needed. Just follow
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OpenVSP Workshop Agenda
The OpenVSP Workshop agenda is set. Next week - July 8-10. No registration is needed. Just follow
Jul 2
Efe Egemen Şen
, …
Kun Drew
3
Jul 2
Running Propeller Analysis over Python API
Hi. Which function should I use to cancel Cpslice when I use the Python API for analysis. Follow the
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Running Propeller Analysis over Python API
Hi. Which function should I use to cancel Cpslice when I use the Python API for analysis. Follow the
Jul 2
Hugo Dubourg
,
Rob McDonald
4
Jun 30
Problems with cl and cd results in propeller analysis
Yes, the results on that page are independent of Re and it shouldn't even be displayed. There is
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Problems with cl and cd results in propeller analysis
Yes, the results on that page are independent of Re and it shouldn't even be displayed. There is
Jun 30
ABDULLAH AMIR
, …
Li Zhikai
4
Jun 28
Flight dynamics modelling
How does VSPAERO determine the value of p, q, and r? Can they be specified manually? And how to get
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Flight dynamics modelling
How does VSPAERO determine the value of p, q, and r? Can they be specified manually? And how to get
Jun 28
skyc...@gmail.com
, …
Li Zhikai
6
Jun 28
Has anybody written a python script to import VSPAero stability results?
I've written a script to read `.stab` file and store the derivatives into tables. See: github.com
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Has anybody written a python script to import VSPAero stability results?
I've written a script to read `.stab` file and store the derivatives into tables. See: github.com
Jun 28
Rob McDonald
Jun 27
OpenVSP Workshop Geometry Analysis Teaser
The online OpenVSP Workshop is coming soon (July 8-10). If you need a reason to join in, check out
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OpenVSP Workshop Geometry Analysis Teaser
The online OpenVSP Workshop is coming soon (July 8-10). If you need a reason to join in, check out
Jun 27
Etienne Behar
,
Rob McDonald
2
Jun 27
Get the equation/data of the hinge line of a control surface / subsurface
The hinge line endpoints are the mid-points between the corners of the control surface. You can
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Get the equation/data of the hinge line of a control surface / subsurface
The hinge line endpoints are the mid-points between the corners of the control surface. You can
Jun 27
sarath kumar s
, …
Rob McDonald
7
Jun 26
thin airfoil panel method
Self-registration for the Wiki is turned off to prevent vandalism and SPAM via Bots. However, I am
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thin airfoil panel method
Self-registration for the Wiki is turned off to prevent vandalism and SPAM via Bots. However, I am
Jun 26
C.P.
,
Rob McDonald
5
Jun 25
Wing chord glitch
I've got a fix that will go into the next release. Hopefully that takes care of this for you. Rob
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Wing chord glitch
I've got a fix that will go into the next release. Hopefully that takes care of this for you. Rob
Jun 25
MC
,
Rob McDonald
3
Jun 25
Changing analysis inputs through API
Great, thanks for the clarification. It really helps me build robust scripts for analyses. And thanks
unread,
Changing analysis inputs through API
Great, thanks for the clarification. It really helps me build robust scripts for analyses. And thanks
Jun 25
George Efrem
,
cean wang
2
Jun 24
Question about getting pressure field data following a PANEL simulation - Python API
Get cp from *.fem2d file. 发件人: ope...@googlegroups.com <ope...@googlegroups.com> 代表 George
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Question about getting pressure field data following a PANEL simulation - Python API
Get cp from *.fem2d file. 发件人: ope...@googlegroups.com <ope...@googlegroups.com> 代表 George
Jun 24
Violet Philip
,
Rob McDonald
3
Jun 23
Help with 'Ambiguous flow-through subsurface detected' Error in Wave drag analysis
Oh. Thank you Violet On Tue, 24 Jun 2025, 00:05 Rob McDonald, <rob.a.m...@gmail.com> wrote:
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Help with 'Ambiguous flow-through subsurface detected' Error in Wave drag analysis
Oh. Thank you Violet On Tue, 24 Jun 2025, 00:05 Rob McDonald, <rob.a.m...@gmail.com> wrote:
Jun 23
Ahmad Osama
,
Rob McDonald
2
Jun 22
Panel method model (CompGeom) shows surfaces from the wing inside the fuselage
Nobody can help you without posting your model or at least a screenshot of what you're talking
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Panel method model (CompGeom) shows surfaces from the wing inside the fuselage
Nobody can help you without posting your model or at least a screenshot of what you're talking
Jun 22
Violet Philip
, …
Amedeo FAlco
9
Jun 21
Missing Results When Using Control Surfaces in VSPAERO Panel Method
The file appears to be blank On Sat, Jun 21, 2025 at 7:48 PM Amedeo FAlco <falco...@gmail.com
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Missing Results When Using Control Surfaces in VSPAERO Panel Method
The file appears to be blank On Sat, Jun 21, 2025 at 7:48 PM Amedeo FAlco <falco...@gmail.com
Jun 21
Dunyawat Kriedtharumal
,
Violet Philip
2
Jun 21
Rotating blade - ground distance interaction
I'm also new to openVSP software, but I think you should have attached your vsp3 file too for the
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Rotating blade - ground distance interaction
I'm also new to openVSP software, but I think you should have attached your vsp3 file too for the
Jun 21
Josh Camp
,
Rob McDonald
3
Jun 19
Help with CompGeom: theoretical vs wetted volume
Yes, that does indeed work, thanks Rob! I used the tutorial here as a guide: https://vspu.larc.nasa.
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Help with CompGeom: theoretical vs wetted volume
Yes, that does indeed work, thanks Rob! I used the tutorial here as a guide: https://vspu.larc.nasa.
Jun 19
Gennaro Barbato
, …
Mike Novikov
3
Jun 18
Pitching moment calculation (PM vs VLM)
Based on my experience, VLM in VSPAero correlates well with XFLR5 software (using the VLM method as
unread,
Pitching moment calculation (PM vs VLM)
Based on my experience, VLM in VSPAero correlates well with XFLR5 software (using the VLM method as
Jun 18
Violet Philip
,
Amedeo FAlco
7
Jun 15
Unable to View Aerodynamic coefficients results in Excel from VSPAERO (B777-200ER model)
Okay, thanks very much. I'll let you know how it goes by tomorrow. It's midnight here Violet
unread,
Unable to View Aerodynamic coefficients results in Excel from VSPAERO (B777-200ER model)
Okay, thanks very much. I'll let you know how it goes by tomorrow. It's midnight here Violet
Jun 15
Lucas Huirne
,
Brandon Litherland
4
Jun 12
Question about VSPAero Panel Method
Thank you brandon for you answer! Changing the airfoil did indeed solve the problem. thanks! Op
unread,
Question about VSPAero Panel Method
Thank you brandon for you answer! Changing the airfoil did indeed solve the problem. thanks! Op
Jun 12
Mike Novikov
3
Jun 12
Moments on the plane for unsteady analysis
Where: _DegenGeom.group.1 - wing and tail _DegenGeom.group.2 - front prop _DegenGeom.group.3 - rear
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Moments on the plane for unsteady analysis
Where: _DegenGeom.group.1 - wing and tail _DegenGeom.group.2 - front prop _DegenGeom.group.3 - rear
Jun 12
Haoliang Yu
Jun 10
OpenVSP Python API that can be used with Python 3.8.8
Hi, For some reason, I want to use the new version of OpenVSP Python API that can be used with Python
unread,
OpenVSP Python API that can be used with Python 3.8.8
Hi, For some reason, I want to use the new version of OpenVSP Python API that can be used with Python
Jun 10