OpenVSP - Google Groups

Groups

1–30 of 3436

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.

0 selected

Mike Kelly, … Brandon Litherland4

Sep 3

Bogie GetParmVal

Rob: I think this is just a misunderstanding on my part on how the API works. In the case of wing

unread,

Bogie GetParmVal

Rob: I think this is just a misunderstanding on my part on how the API works. In the case of wing

Sep 3

O Morandon, Rob McDonald3

Sep 3

Cut on elevators

Hello Rob, please find attached the horizontal tail. It works with the thin representation, there is

unread,

Cut on elevators

Hello Rob, please find attached the horizontal tail. It works with the thin representation, there is

Sep 3

KAVIN P AERO, Rob McDonald2

Sep 1

Parameters measuring Axes from OpenVSP

Your message footer is inappropriate for this venue. Clearly, you have posted this message to a

unread,

Parameters measuring Axes from OpenVSP

Your message footer is inappropriate for this venue. Clearly, you have posted this message to a

Sep 1

Jeff Robinson, … Koaib Kaleem4

Aug 27

Exporting Labeled Aircraft Design Data from OpenVSP

Thanks!!! Jeff Robinson 110 Brigham pl. Clayton NC 27527 919-247-7648 On Thu, Aug 27, 2026 at 12:06

unread,

Exporting Labeled Aircraft Design Data from OpenVSP

Thanks!!! Jeff Robinson 110 Brigham pl. Clayton NC 27527 919-247-7648 On Thu, Aug 27, 2026 at 12:06

Aug 27

Mike Kelly, Rob McDonald3

Aug 27

Initial warnings after reading vsp3 file in Python

Thanks for the good info, Rob. I will ignore the control surface warnings, and I created a single

unread,

Initial warnings after reading vsp3 file in Python

Thanks for the good info, Rob. I will ignore the control surface warnings, and I created a single

Aug 27

SV001R (SV-001/R), … Brandon Litherland6

Aug 24

Is there any temporary file for *.vsp3?

As you likely discovered, there are no autosave files. I also painfully experienced this just today

unread,

Is there any temporary file for *.vsp3?

As you likely discovered, there are no autosave files. I also painfully experienced this just today

Aug 24

Aug 17

OpenVSP 3.51.3 Released

While this version breaks from the strict 'speed only' theme of .1 and .2, this release is

unread,

OpenVSP 3.51.3 Released

While this version breaks from the strict 'speed only' theme of .1 and .2, this release is

Aug 17

Mike Kelly, Rob McDonald6

Aug 15

Python API Attributes

Glad that you got it to work. I won't say that we made it easy for you -- or for the AI. But AI

unread,

Python API Attributes

Glad that you got it to work. I won't say that we made it easy for you -- or for the AI. But AI

Aug 15

Mike Vivaldi, Rob McDonald8

Aug 15

Conformal issue with fuselage

Thanks Rob, I will do the same then I just wanted to ensure doing so wouldn't break the file.

unread,

Conformal issue with fuselage

Thanks Rob, I will do the same then I just wanted to ensure doing so wouldn't break the file.

Aug 15

Sean van Hees, Brandon Litherland3

Aug 12

Induced drag and influences

Thank you Brandon for the suggestion. I have given it a go, also improving the tessellation and

unread,

Induced drag and influences

Thank you Brandon for the suggestion. I have given it a go, also improving the tessellation and

Aug 12

Koaib Kaleem, Brandon Litherland3

Aug 11

broken cfd mesh

I'd spend some more time making sure that the target mesh and your VSP model are aligned and that

unread,

broken cfd mesh

I'd spend some more time making sure that the target mesh and your VSP model are aligned and that

Aug 11

Sean van Hees, Brandon Litherland2

Aug 11

Negative CL at low negative AoA

I really didn't change much besides the surface resolutions. No changes to geometry. I ran

unread,

Negative CL at low negative AoA

I really didn't change much besides the surface resolutions. No changes to geometry. I ran

Aug 11

PKG, … Rob McDonald6

Aug 7

OpenVSP crashes immediately when loading vsp3 file after repeated Undo on Stack Rotation

I can't debug this properly until I'm back home, but here is the stack trace from the crash..

unread,

OpenVSP crashes immediately when loading vsp3 file after repeated Undo on Stack Rotation

I can't debug this properly until I'm back home, but here is the stack trace from the crash..

Aug 7

Cooper Cook, Rob McDonald4

Aug 7

Geometry Analysis Name Via API

Yes, the Geometry Analysis is a Container. There is a method in the API to set the Name of a

unread,

Geometry Analysis Name Via API

Yes, the Geometry Analysis is a Container. There is a method in the API to set the Name of a

Aug 7

Mark Rostron, … Rob McDonald7

Aug 4

You should use a File type Airfoil when you have a specific non-parametric airfoil for a model. Rob

unread,

You should use a File type Airfoil when you have a specific non-parametric airfoil for a model. Rob

Aug 4

Demetrio Cucarella, Brandon Litherland2

Jul 29

Undergraduate thesis on propeller-wing/fuselage interference

Hi Demetrio, There is a lot to discuss here and I don't have a great deal of time to respond but

unread,

Undergraduate thesis on propeller-wing/fuselage interference

Hi Demetrio, There is a lot to discuss here and I don't have a great deal of time to respond but

Jul 29

Julien, … Rob McDonald7

Jul 29

Calculation of CDo in VSPAERO

I'm pretty sure it was ignored. The simple airfoil model we use was even more simple back then.

unread,

Calculation of CDo in VSPAERO

I'm pretty sure it was ignored. The simple airfoil model we use was even more simple back then.

Jul 29

Muhammad Bazil, … Koaib Kaleem4

Jul 27

CDo from Parasite Drag Tool (PDT) and VSPAero

HI i have a question, as per my knowledge the VLM/PM is inviscud, which means that it will include

unread,

CDo from Parasite Drag Tool (PDT) and VSPAero

HI i have a question, as per my knowledge the VLM/PM is inviscud, which means that it will include

Jul 27

Jul 26

OpenVSP 3.51.2 Released

Like the last version -- not a whole lot here, but good things nonetheless. So far, it looks like the

unread,

OpenVSP 3.51.2 Released

Like the last version -- not a whole lot here, but good things nonetheless. So far, it looks like the

Jul 26

Jul 26

CFD mesh - watertightness

Hi, is it normal that i have a water tight geom but when i scale it up about 19 times it becomes NOT

unread,

CFD mesh - watertightness

Hi, is it normal that i have a water tight geom but when i scale it up about 19 times it becomes NOT

Jul 26

Jul 26

Ground Effect Affect the Propeller Analysis

Hello, Everyone I'm doing a project in Propeller and Rotor Analysis in OpenVSP. There is one

unread,

Ground Effect Affect the Propeller Analysis

Hello, Everyone I'm doing a project in Propeller and Rotor Analysis in OpenVSP. There is one

Jul 26

Koaib Kaleem, Rob McDonald5

Jul 26

VSPAERO - Periodic wake, Done creating vortex sheet data...

Right thanks, i just moved the ht a little bit and it worked, Yes i ll be working on my mesh now. but

unread,

VSPAERO - Periodic wake, Done creating vortex sheet data...

Right thanks, i just moved the ht a little bit and it worked, Yes i ll be working on my mesh now. but

Jul 26

Koaib Kaleem, … Rob McDonald17

Jul 26

Sydney Standard Aerodynamic Models (SSAM) Fifth Generation Benchmark Model Aircraft

right thanks alot This is the model that i have finalized You may note that HT wings etc. are little

unread,

Sydney Standard Aerodynamic Models (SSAM) Fifth Generation Benchmark Model Aircraft

right thanks alot This is the model that i have finalized You may note that HT wings etc. are little

Jul 26

Jul 26

VSPAERO analysis not dispalying anything

Hi, I have a model and im trying to run VSPAEO analysis but its giving nothing (SS attached) I havent

unread,

VSPAERO analysis not dispalying anything

Hi, I have a model and im trying to run VSPAEO analysis but its giving nothing (SS attached) I havent

Jul 26

Alfredo Escolano Lopez, Rob McDonald8

Jul 24

Closing trailing edge

I attach the .txt file of the section 43. El viernes, 24 de julio de 2026 a las 20:58:42 UTC+2, Rob

unread,

Closing trailing edge

I attach the .txt file of the section 43. El viernes, 24 de julio de 2026 a las 20:58:42 UTC+2, Rob

Jul 24

HARISH KARTHICK AERO

Jul 24

Accessing and changing the m_PropBladesMode

Hello everyone, I've been working on Python API for OpenVSP for almost a month now but only with

unread,

Accessing and changing the m_PropBladesMode

Hello everyone, I've been working on Python API for OpenVSP for almost a month now but only with

Jul 24

Esther Barros Gomes, Rob McDonald4

Jul 21

Best practice for modeling bi-directional endplates (up and down) for VLM stability derivatives?

Ok, the Cull Orphans flag is not going to be useful for you. I'm not sure -- I would try aligning

unread,

Best practice for modeling bi-directional endplates (up and down) for VLM stability derivatives?

Ok, the Cull Orphans flag is not going to be useful for you. I'm not sure -- I would try aligning

Jul 21

Jaime García, Rob McDonald9

Jul 21

Help needed with Unsteady analysis: store dropped

Hi Rob, I wanted to follow up and share that I've managed to resolve the issue! It turned out to

unread,

Help needed with Unsteady analysis: store dropped

Hi Rob, I wanted to follow up and share that I've managed to resolve the issue! It turned out to

Jul 21

Rob McDonald, … Jaime García5

Jul 21

OpenVSP 3.51.1 Released

Glad to hear it -- I did use your test case as a stress test during this process. That said, the

unread,

OpenVSP 3.51.1 Released

Glad to hear it -- I did use your test case as a stress test during this process. That said, the

Jul 21

Augustine Bageanis, … Minh Nguyen Ngoc14

Jul 17

Hi there, Its 2026, it seems no new update significantly on customization of VSPAERO PQR analysis on

unread,

Hi there, Its 2026, it seems no new update significantly on customization of VSPAERO PQR analysis on

Jul 17

Search

Clear search

Close search

Google apps

Main menu