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Jaime García, Rob McDonald5

8:24 PM

New CustomGeom Scripts Available on Airshow: Parametric Fuselage Generator & Passenger Seat Group Array

I just took a quick look -- I'm not going to be able to help much (any). The time is not going

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New CustomGeom Scripts Available on Airshow: Parametric Fuselage Generator & Passenger Seat Group Array

I just took a quick look -- I'm not going to be able to help much (any). The time is not going

8:24 PM

Jaime García, Rob McDonald6

8:09 PM

Query: Scripting API access for SubSurface Intersect (Windows v3.51)

Is that 5 minutes just to synthesize the subsurface windows/doors? Or is it 5 minutes for some

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Query: Scripting API access for SubSurface Intersect (Windows v3.51)

Is that 5 minutes just to synthesize the subsurface windows/doors? Or is it 5 minutes for some

8:09 PM

Koaib Kaleem, Brandon Litherland7

11:03 AM

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

I was able to put the mesh in a VSP3 file by itself and upload it to the VSP Airshow here: https://

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

I was able to put the mesh in a VSP3 file by itself and upload it to the VSP Airshow here: https://

11:03 AM

Mano, Brandon Litherland4

10:41 AM

smooth hub transition

"Proper" meaning what, specifically? Are you using VSPAERO to produce loads to apply to a

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smooth hub transition

"Proper" meaning what, specifically? Are you using VSPAERO to produce loads to apply to a

10:41 AM

Brandon Litherland, … Rob McDonald4

Jul 13

Re: Extensive runtime for wing analysis

I played around a bit and came to this model that should serve as a starting point for you. There

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Re: Extensive runtime for wing analysis

I played around a bit and came to this model that should serve as a starting point for you. There

Jul 13

Mike Vivaldi, … Zach Hazen9

Jul 11

Result interpretation

Sounds exciting. Thanks. On Sunday, July 12, 2026 at 2:30:42 AM UTC+12 Rob McDonald wrote: We are

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Result interpretation

Sounds exciting. Thanks. On Sunday, July 12, 2026 at 2:30:42 AM UTC+12 Rob McDonald wrote: We are

Jul 11

Koaib Kaleem, … Brandon Litherland11

Jul 10

Missing Slices from Planar Analysis

also the dimensions of teh stl file taht i had shared in prev post is meteres, to get full scale

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Missing Slices from Planar Analysis

also the dimensions of teh stl file taht i had shared in prev post is meteres, to get full scale

Jul 10

Cooper Cook, Rob McDonald3

Jul 9

Geometry Analysis Make MeshGeom Via API

Hi Rob, Thank you for the confirmation. I've reported it as an issue. I'd be happy to compile

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Geometry Analysis Make MeshGeom Via API

Hi Rob, Thank you for the confirmation. I've reported it as an issue. I'd be happy to compile

Jul 9

Akarsh Shetty, Brandon Litherland2

Jul 8

OpenVSP Fuselage modelling best practices

You will have to be more specific. Please post an example of what you are trying to accomplish. Are

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OpenVSP Fuselage modelling best practices

You will have to be more specific. Please post an example of what you are trying to accomplish. Are

Jul 8

Omer Kandemir, Rob McDonald2

Jul 7

CreateAndAddBogie Python Interface

It looks like I neglected to add Bogie Add/Delete/List type routines to the API when I added GearGeom

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CreateAndAddBogie Python Interface

It looks like I neglected to add Bogie Add/Delete/List type routines to the API when I added GearGeom

Jul 7

Jul 6

Aerostructural analysis for propellers

Is there a way to write centrifugal loads to calculix input file (or other solvers) from Openvsp?

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Aerostructural analysis for propellers

Is there a way to write centrifugal loads to calculix input file (or other solvers) from Openvsp?

Jul 6

Shakil Salim, Koaib Kaleem3

Jul 5

Questions regarding mesh control, VSPAERO settings, and best practices for drag/performance analysis

Dear Rob, Could you help me on that? On Thursday, July 2, 2026 at 12:13:28 PM UTC-7 Koaib Kaleem

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Questions regarding mesh control, VSPAERO settings, and best practices for drag/performance analysis

Dear Rob, Could you help me on that? On Thursday, July 2, 2026 at 12:13:28 PM UTC-7 Koaib Kaleem

Jul 5

Mark Rostron, Zach Hazen2

Jul 4

- canard subsurface L/C set to 0.5 (was 1.0, leading edge) - fuselage width XSEC3 made more narrow,

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- canard subsurface L/C set to 0.5 (was 1.0, leading edge) - fuselage width XSEC3 made more narrow,

Jul 4

Jul 3

Stability, controllability and Handling characteristics

Hello everyone, I don't know if somebody is cooking it already but I would do "something

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Stability, controllability and Handling characteristics

Hello everyone, I don't know if somebody is cooking it already but I would do "something

Jul 3

marco, … Shakil Salim22

Jul 1

prandtl-d wing with bell shaped lift distribution in VSPAERO

Does anyone know the main differences between the Prandtl-D1, D2, and D3c models? Thanks, Shakil On

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prandtl-d wing with bell shaped lift distribution in VSPAERO

Does anyone know the main differences between the Prandtl-D1, D2, and D3c models? Thanks, Shakil On

Jul 1

Jun 29

OpenVSP 3.51.0 Released

Mid-summer OpenVSP (at least in the Northern Hemisphere) -- a handful of features and some nice bug

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OpenVSP 3.51.0 Released

Mid-summer OpenVSP (at least in the Northern Hemisphere) -- a handful of features and some nice bug

Jun 29

Steve, Rob McDonald10

Jun 29

Problem with CDtot values

I somehow still get these unreasonable results, although I have used it repeatedly. I'm on a

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Problem with CDtot values

I somehow still get these unreasonable results, although I have used it repeatedly. I'm on a

Jun 29

Jun 29

OpenVSP crashes after clicking Wave Drag analysis

Hello, I am using OpenVSP 3.48.2 to analysis wave drag, and it crashes instantly after clicking Wave

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OpenVSP crashes after clicking Wave Drag analysis

Hello, I am using OpenVSP 3.48.2 to analysis wave drag, and it crashes instantly after clicking Wave

Jun 29

Yasushi Morikawa, Brandon Litherland3

Jun 28

Problem of mesh

Thank you for your kind reply. 2026年6月27日土曜日 7:38:04 UTC+9 Brandon Litherland: 8f everything ran to

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Problem of mesh

Thank you for your kind reply. 2026年6月27日土曜日 7:38:04 UTC+9 Brandon Litherland: 8f everything ran to

Jun 28

Shakil Salim, Rob McDonald7

Jun 28

Control surface issue

Putting the wing in the Thin Set and the body in the Thick Set is a very reasonable approach -- that

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Control surface issue

Putting the wing in the Thin Set and the body in the Thick Set is a very reasonable approach -- that

Jun 28

Edward Pickens, Rob McDonald2

Jun 26

Box wing optimization

I would likely work with a single wing wrapped around -- that should take care of most of the

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Box wing optimization

I would likely work with a single wing wrapped around -- that should take care of most of the

Jun 26

rao jiexi, Rob McDonald2

Jun 26

Ground-Effect Vehicle Model in OpenVSP

Have you tried making a model? The whole point of OpenVSP is that it should be easy to make a model,

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Ground-Effect Vehicle Model in OpenVSP

Have you tried making a model? The whole point of OpenVSP is that it should be easy to make a model,

Jun 26

Koaib Kaleem, Rob McDonald5

Jun 25

Multi Resolution NGon

Right, got the point. Will check out the tesselation setting approach. thank you for the guidance On

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Multi Resolution NGon

Right, got the point. Will check out the tesselation setting approach. thank you for the guidance On

Jun 25

Mike Vivaldi, Rob McDonald14

Jun 24

With stall model CLtot decreases with AOA as AOA increases from negative to positive

Hi Rob, Yup, switching it to thin removes the spikes on XZ symmetry. Thanks, Mike On Wednesday, June

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With stall model CLtot decreases with AOA as AOA increases from negative to positive

Hi Rob, Yup, switching it to thin removes the spikes on XZ symmetry. Thanks, Mike On Wednesday, June

Jun 24

Koaib Kaleem, … Brandon Litherland15

Jun 22

Parametric NASA Almond Geometry

right, will try On Monday, June 22, 2026 at 6:33:17 PM UTC+5 Brandon Litherland wrote: I would

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Parametric NASA Almond Geometry

right, will try On Monday, June 22, 2026 at 6:33:17 PM UTC+5 Brandon Litherland wrote: I would

Jun 22

Jun 20

Help to use VSPAERO files

Hello, We are currently working on the stability and flight dynamics analysis of a fixed-wing UAV

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Help to use VSPAERO files

Hello, We are currently working on the stability and flight dynamics analysis of a fixed-wing UAV

Jun 20

Maria Żelewska, Rob McDonald2

Jun 20

Simulating hypersonic flow

No, VSPAERO can only model linearized supersonic flow. Similarly, the wave drag calculation is based

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Simulating hypersonic flow

No, VSPAERO can only model linearized supersonic flow. Similarly, the wave drag calculation is based

Jun 20

Koaib Kaleem, Rob McDonald5

Jun 20

Edge length in stl

right thx On Saturday, June 20, 2026 at 12:42:20 AM UTC+5 Rob McDonald wrote: It just depends on what

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Edge length in stl

right thx On Saturday, June 20, 2026 at 12:42:20 AM UTC+5 Rob McDonald wrote: It just depends on what

Jun 20

Sofia Georgiou, … Thirumalai A7

Jun 19

problem with importing airfoil files

I've had some issues with importing Airfoil files as well, and what has worked for me is to copy/

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problem with importing airfoil files

I've had some issues with importing Airfoil files as well, and what has worked for me is to copy/

Jun 19

Brandon Litherland

Jun 17

Re: Convergence Factors Clarification

There are no tutorials or documentation other than the source code and parameter descriptions for

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Re: Convergence Factors Clarification

There are no tutorials or documentation other than the source code and parameter descriptions for

Jun 17

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