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Gian, … Jorge Andres Piñero Delgadillo3

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

unread,

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

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

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 McDonald3

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, MC3

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 McCartney13

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

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 Drew3

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 McDonald4

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 Zhikai4

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 Zhikai6

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

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 McDonald2

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 McDonald7

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 McDonald5

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 McDonald3

Jun 25

Changing analysis inputs through API

Great, thanks for the clarification. It really helps me build robust scripts for analyses. And thanks

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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 wang2

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 McDonald3

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 McDonald2

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 FAlco9

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 Philip2

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 McDonald3

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 Novikov3

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

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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 FAlco7

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 Litherland4

Jun 12

Question about VSPAero Panel Method

Thank you brandon for you answer! Changing the airfoil did indeed solve the problem. thanks! Op

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Question about VSPAero Panel Method

Thank you brandon for you answer! Changing the airfoil did indeed solve the problem. thanks! Op

Jun 12

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

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

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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

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