OpenVSP

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The OpenVSP discussion group is the place to ask questions, report problems, make requests, or just discuss OpenVSP.

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Reji Rejish, … Brandon Litherland7

10:44 AM

Geometric details along the span

I agree completely with Rob's suggestion. XFOIL will accept Cl inputs just as readily as angle of

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Geometric details along the span

I agree completely with Rob's suggestion. XFOIL will accept Cl inputs just as readily as angle of

10:44 AM

Juan, Rob McDonald2

2:09 AM

Moving VSPGeom origin along UW

At this time, you can not change the location of a part's origin. I've thought about it, but

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Moving VSPGeom origin along UW

At this time, you can not change the location of a part's origin. I've thought about it, but

2:09 AM

yw D, Rob McDonald2

Nov 26

Obtain wing surface aerodynamics

What do you need that information for? Unfortunately, VSPAERO does not make that information super

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Obtain wing surface aerodynamics

What do you need that information for? Unfortunately, VSPAERO does not make that information super

Nov 26

Marco Presi, … Brandon Litherland8

Nov 26

Error in calculating mesh?

Dear Brandon, thanks for the follow up and for the XSec tips (this is my very first modeling attempt)

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Error in calculating mesh?

Dear Brandon, thanks for the follow up and for the XSec tips (this is my very first modeling attempt)

Nov 26

Jerome Teoh, Rob McDonald2

Nov 22

Regarding PSUWOPWOP

PSUWOPWOP is available by request from Ken Brentner, a professor at PSU. It is not a trivial tool to

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Regarding PSUWOPWOP

PSUWOPWOP is available by request from Ken Brentner, a professor at PSU. It is not a trivial tool to

Nov 22

marc.umb...@gmail.com, … Erik Olson3

Nov 22

Trouble implementing Kevin's Superposition of Lift paper in VSPAERO

I've successfully implemented Kevin's methodology in the past using OpenVSP with AVL and

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Trouble implementing Kevin's Superposition of Lift paper in VSPAERO

I've successfully implemented Kevin's methodology in the past using OpenVSP with AVL and

Nov 22

AYUSH SHARMA, Rob McDonald2

Nov 21

On Automation Using OpenVSP Python API and VSPAEROSweep

OpenVSP does not use OpenMP to launch VSPAERO. OpenVSP does fork a process to run VSPAERO. It then

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On Automation Using OpenVSP Python API and VSPAEROSweep

OpenVSP does not use OpenMP to launch VSPAERO. OpenVSP does fork a process to run VSPAERO. It then

Nov 21

Tosho Otaguro, … Rob McDonald13

Nov 21

Effect of ducted fan

Rob, Thanks for many good suggestions. They are very helpful. I am also relieved to know that you

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Effect of ducted fan

Rob, Thanks for many good suggestions. They are very helpful. I am also relieved to know that you

Nov 21

Jensen G, Rob McDonald3

Nov 20

Hide Control Surface Circles

Thank you Rob!! On Sunday, November 20, 2022 at 3:49:03 PM UTC-6 Rob McDonald wrote: I believe the

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Hide Control Surface Circles

Thank you Rob!! On Sunday, November 20, 2022 at 3:49:03 PM UTC-6 Rob McDonald wrote: I believe the

Nov 20

Jensen G, Rob McDonald4

Nov 19

Cannot analyze with fuselage attached

Rob, Thank you so much for your response. On Saturday, November 19, 2022 at 3:42:15 PM UTC-6 Rob

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Cannot analyze with fuselage attached

Rob, Thank you so much for your response. On Saturday, November 19, 2022 at 3:42:15 PM UTC-6 Rob

Nov 19

Brandon Litherland, … Rob McDonald5

Nov 19

Google Chrome Download Fails to Start

We believe Alex figured out the real solution to this -- the download links should be operating

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Google Chrome Download Fails to Start

We believe Alex figured out the real solution to this -- the download links should be operating

Nov 19

Saad Mirza, Rob McDonald4

Nov 19

A few possible issues

On Sat, Nov 19, 2022 at 2:51 AM Saad Mirza <saadzmirza@gmail.com> wrote: Update: I found

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A few possible issues

On Sat, Nov 19, 2022 at 2:51 AM Saad Mirza <saadzmirza@gmail.com> wrote: Update: I found

Nov 19

유민상, Rob McDonald5

Nov 18

Parasitedrag by blade comes out too big

Thank you, Rob 2022년 11월 19일 (토) 오전 2:36, Rob McDonald <rob.a.mcdonald@gmail.com>님이 작성:

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Parasitedrag by blade comes out too big

Thank you, Rob 2022년 11월 19일 (토) 오전 2:36, Rob McDonald <rob.a.mcdonald@gmail.com>님이 작성:

Nov 18

Ronald Pandolfi2

Nov 17

Importing from OpenVSP into Rhino 7 CAD

https://miro.com/app/board/uXjVPIqeKsc=/?share_link_id=225879429060 On Wednesday, November 16, 2022

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Importing from OpenVSP into Rhino 7 CAD

https://miro.com/app/board/uXjVPIqeKsc=/?share_link_id=225879429060 On Wednesday, November 16, 2022

Nov 17

Tobias Sugandi, Rob McDonald3

Nov 15

Wakes from the wing tip cap

Hi Rob, Thank you very much for the kind explanation. I really appreciate it! I will try your

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Wakes from the wing tip cap

Hi Rob, Thank you very much for the kind explanation. I really appreciate it! I will try your

Nov 15

deenri...@gmail.com, Rob McDonald3

Nov 13

Bug or intended behaviour? 3.31.1 VSPAERO wake nodes / iterations

Thank you for the helpful responses. Appreciate you taking the time. On Saturday, 12 November 2022 at

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Bug or intended behaviour? 3.31.1 VSPAERO wake nodes / iterations

Thank you for the helpful responses. Appreciate you taking the time. On Saturday, 12 November 2022 at

Nov 13

Cheol-Kyun Choi, … Rob McDonald3

Nov 13

The role of Clmax, Max turning angle, and Far field Dist

There are two stall models available. One applies a limit to the 2D clmax -- user specified. The

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The role of Clmax, Max turning angle, and Far field Dist

There are two stall models available. One applies a limit to the 2D clmax -- user specified. The

Nov 13

Tobias Sugandi, Brandon Litherland3

Nov 11

Not-A-Wing in .lod

Hi Brandon, Thanks for responding. I believe you will get "Comp 0 'Not-A-Wing'" in

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Not-A-Wing in .lod

Hi Brandon, Thanks for responding. I believe you will get "Comp 0 'Not-A-Wing'" in

Nov 11

Nov 10

OpenVSP 3.31.1 Released

A handful of bugs quickly cropped up in 3.31.0 that justify this .1 release. While there are always

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OpenVSP 3.31.1 Released

A handful of bugs quickly cropped up in 3.31.0 that justify this .1 release. While there are always

Nov 10

muku, … Rob McDonald11

Nov 10

About the panel method of VAPAERO

As Brandon says -- yes. I usually refer to it as Trefftz-like as there are some differences in the

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About the panel method of VAPAERO

As Brandon says -- yes. I usually refer to it as Trefftz-like as there are some differences in the

Nov 10

Chris Satterwhite, … Brandon Litherland7

Nov 10

Airfoil File Parm Access via API

Yeah I think thats the logical workaround. Thanks Brandon. Chris On Wednesday, November 9, 2022 at 2:

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Airfoil File Parm Access via API

Yeah I think thats the logical workaround. Thanks Brandon. Chris On Wednesday, November 9, 2022 at 2:

Nov 10

skyc...@gmail.com, Rob McDonald15

Nov 9

OpenVSP Structures module questions

Zero should be the right side +Y. One should be the left -Y. I ought to make them highlight somehow,

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OpenVSP Structures module questions

Zero should be the right side +Y. One should be the left -Y. I ought to make them highlight somehow,

Nov 9

Jackson Chandler

Nov 9

Different results from different versions of VSPAero

Hello all, I ran a VSPAero on a configuration (same .vsp file) in two different versions of Open VSP

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Different results from different versions of VSPAero

Hello all, I ran a VSPAero on a configuration (same .vsp file) in two different versions of Open VSP

Nov 9

Michael Hughes, Rob McDonald3

Nov 9

Panel Method - Could not find matching edge!

Hey Rob, I think I've found the issue. My original airfoil file was missing a point. I managed to

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Panel Method - Could not find matching edge!

Hey Rob, I think I've found the issue. My original airfoil file was missing a point. I managed to

Nov 9

Luca Bottà, Rob McDonald4

Nov 9

Modeling questions - VLM Stability analyisis for a flight simulator

Hello, I managed to make a first version of my sim work; however, I'm afraid I was forgetting the

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Modeling questions - VLM Stability analyisis for a flight simulator

Hello, I managed to make a first version of my sim work; however, I'm afraid I was forgetting the

Nov 9

Kelly Chen, marco2

Nov 6

No results for lift and drag coefficients in VSPAERO

Try setting the wing's endcaps to none? in the wing I am working on that solved the nan problem.

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No results for lift and drag coefficients in VSPAERO

Try setting the wing's endcaps to none? in the wing I am working on that solved the nan problem.

Nov 6

p_bamrah, Rob McDonald4

Nov 4

Left and Right Wing as different Sets

Many of the export formats from OpenVSP will include surface number information. For example, if you

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Left and Right Wing as different Sets

Many of the export formats from OpenVSP will include surface number information. For example, if you

Nov 4

Alfredo Escolano Lopez, Rob McDonald3

Nov 4

How to trim on the program??

Okay thanks. I will try. El vie, 4 nov 2022 17:43, Rob McDonald <rob.a.mcdonald@gmail.com>

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How to trim on the program??

Okay thanks. I will try. El vie, 4 nov 2022 17:43, Rob McDonald <rob.a.mcdonald@gmail.com>

Nov 4

jhco...@gmail.com, Rob McDonald2

Nov 4

problems compiling

My gut is that you're using an old compiler. As I recall, CentOS 7's default compilers are

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problems compiling

My gut is that you're using an old compiler. As I recall, CentOS 7's default compilers are

Nov 4

Ashley M, … Rob McDonald4

Nov 4

Irregularities in the Dynamic derivatives when wing trailing wakes hit the tail

Hi Brandon and Rob, Thank you very much for your input. It has been tremendously helpful. I followed

unread,

Irregularities in the Dynamic derivatives when wing trailing wakes hit the tail

Hi Brandon and Rob, Thank you very much for your input. It has been tremendously helpful. I followed

Nov 4

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