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OpenVSP

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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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Luca, … Rob McDonald5

Apr 19

Questions on Python API (from installation to usage)

The documentation is available in Python syntax here https://openvsp.org/pyapi_docs/latest/ However,

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Questions on Python API (from installation to usage)

The documentation is available in Python syntax here https://openvsp.org/pyapi_docs/latest/ However,

Apr 19

Jacob Lee, skyc...@gmail.com12

Apr 17

VSP FEA Structure Build Errors

Per element beam normal vectors option is in the Mesh tab in the Structures dialog in VSP. On

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VSP FEA Structure Build Errors

Per element beam normal vectors option is in the Mesh tab in the Structures dialog in VSP. On

Apr 17

Omer Kandemir, Rob McDonald4

Apr 17

python openvsp-xfoil collab installation

I think you've identified this as not an OpenVSP problem. Rob On Thursday, April 17, 2025 at 12:

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python openvsp-xfoil collab installation

I think you've identified this as not an OpenVSP problem. Rob On Thursday, April 17, 2025 at 12:

Apr 17

Peter Hauschild, … skyc...@gmail.com22

Apr 9

Creating FEM models for CalculiX

It is definitely a simplification. I've heard from a loads DER who just places all the load on

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Creating FEM models for CalculiX

It is definitely a simplification. I've heard from a loads DER who just places all the load on

Apr 9

willj...@gmail.com, Brandon Litherland3

Apr 9

Mach and ReCref pairs

Brandon, thanks for the suggestion. Ill give that a go. On Friday, April 4, 2025 at 5:27:30 PM UTC+1

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Mach and ReCref pairs

Brandon, thanks for the suggestion. Ill give that a go. On Friday, April 4, 2025 at 5:27:30 PM UTC+1

Apr 9

Megha Bhardwaj, … Brandon Litherland6

Apr 7

Stability analysis for a stopped rotor

I understand how you are modeling the rotor. I meant to convey that the current model won't work

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Stability analysis for a stopped rotor

I understand how you are modeling the rotor. I meant to convey that the current model won't work

Apr 7

Apr 7

vspaero parameter setup

I currently analyze the rotor performance of the V-22 Osprey, and I have some questions regarding the

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vspaero parameter setup

I currently analyze the rotor performance of the V-22 Osprey, and I have some questions regarding the

Apr 7

Gennaro Barbato

Apr 5

Spikes in spanwise Cl/Cd distributions - PM analysis

Dear all, I'm currently working on a BWB configuration featuring aerodynamic twist, and I'm

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Spikes in spanwise Cl/Cd distributions - PM analysis

Dear all, I'm currently working on a BWB configuration featuring aerodynamic twist, and I'm

Apr 5

Carlos Rodriguez, … Brandon Litherland9

Apr 4

Retrive Traking wake points from .adb file

You can get the wing Cp data by writing out a 2D FEM file from VSPAERO. Try this with a default wing

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Retrive Traking wake points from .adb file

You can get the wing Cp data by writing out a 2D FEM file from VSPAERO. Try this with a default wing

Apr 4

lsol...@gmail.com, Rob McDonald2

Apr 3

Variance in results for identical runs

This is because you are running with multiple processors. When running multi-threaded, how the work

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Variance in results for identical runs

This is because you are running with multiple processors. When running multi-threaded, how the work

Apr 3

zach....@fhengineering.com, Rob McDonald2

Apr 2

advanced link update trigger?

Zach, I'm happy to check out a file if you can share it. As far as OpenVSP is concerned, Advanced

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advanced link update trigger?

Zach, I'm happy to check out a file if you can share it. As far as OpenVSP is concerned, Advanced

Apr 2

Apr 2

Steady Pitch Rate q

Hello everyone! As far as I understand, when a pitch rate is introduced during an unsteady simulation

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Steady Pitch Rate q

Hello everyone! As far as I understand, when a pitch rate is introduced during an unsteady simulation

Apr 2

Apr 2

Drag Components of a Supersonic Delta Wing

Hi Rob and the OpenVSP community, Context I've been playing around with the aero analysis of my

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Drag Components of a Supersonic Delta Wing

Hi Rob and the OpenVSP community, Context I've been playing around with the aero analysis of my

Apr 2

Chris Satterwhite, Rob McDonald3

Mar 31

Ah that is indeed what I'm doing. Links done in 3.42.3 but running the api on 3.30 on our linux

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Ah that is indeed what I'm doing. Links done in 3.42.3 but running the api on 3.30 on our linux

Mar 31

Emilee Weir, … willj...@gmail.com3

Mar 31

Model Request - Aeronca 65C "Super Chief" for Flight Simulator

Depending on what flight sim you have, you may find that already exists. For example: Aeronca Chief

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Model Request - Aeronca 65C "Super Chief" for Flight Simulator

Depending on what flight sim you have, you may find that already exists. For example: Aeronca Chief

Mar 31

Mar 26

Need help understanding the FEA Structure API Scripting through Python

Reply to self: I haven't been able to figure it out yet. But I will update here when I do. On

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Need help understanding the FEA Structure API Scripting through Python

Reply to self: I haven't been able to figure it out yet. But I will update here when I do. On

Mar 26

willj...@gmail.com

Mar 26

Matching 2d fem to polar results

I am trying to parse the 2dfem file and as a check I am comparing the forces I get with the polar

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Matching 2d fem to polar results

I am trying to parse the 2dfem file and as a check I am comparing the forces I get with the polar

Mar 26

dusan...@gmail.com, Rob McDonald3

Mar 26

Channel wing lift V&V

I played a little with your example using the actuator disk model and it looks to me like VSPAERO is

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Channel wing lift V&V

I played a little with your example using the actuator disk model and it looks to me like VSPAERO is

Mar 26

Aaron Picard, Rob McDonald2

Mar 25

Representing Internals

A box looks like a Stack to me. Here is my top advice for using the OpenVSP API. I don't say

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Representing Internals

A box looks like a Stack to me. Here is my top advice for using the OpenVSP API. I don't say

Mar 25

Carlos Blanes, … belcamara...@gmail.com4

Mar 24

vspaero API NumTimeSteps

Hello, I hope this message finds you well. I would like to inquire if I succeeded in my TEST. Thank

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vspaero API NumTimeSteps

Hello, I hope this message finds you well. I would like to inquire if I succeeded in my TEST. Thank

Mar 24

Brady Barnett, dusan...@gmail.com2

Mar 24

Approximating Fuselage Lift

As far as I understand, the fuselage can generate lift in panel mode. The code should detect a thin

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Approximating Fuselage Lift

As far as I understand, the fuselage can generate lift in panel mode. The code should detect a thin

Mar 24

Vivian Kaspar, Rob McDonald2

Mar 23

Changing Airfoil shape parameters

The Parms of an airfoil or a cross section curve are buried in an extra layer. To access these, you

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Changing Airfoil shape parameters

The Parms of an airfoil or a cross section curve are buried in an extra layer. To access these, you

Mar 23

richard, … Rob McDonald12

Mar 22

vspaero crash in OpenVSP 3.42.3

Those file size differences are pretty modest -- they can easily be caused by changes in gcc (either

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vspaero crash in OpenVSP 3.42.3

Those file size differences are pretty modest -- they can easily be caused by changes in gcc (either

Mar 22

Grant Hiller, McClellan Buckhalter3

Mar 19

Spar not exporting to CAD in FEA Structure

Hi McClellan, TBH I didn't look into it further after not hearing from anyone. I ended up just

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Spar not exporting to CAD in FEA Structure

Hi McClellan, TBH I didn't look into it further after not hearing from anyone. I ended up just

Mar 19

Joe Sia, Rob McDonald3

Mar 18

Using OpenVSP Python API to perform VSPAero CP Slice analysis

That was indeed the issue, thank you for your help and prompt reply! Joe On Tuesday, 18 March 2025 at

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Using OpenVSP Python API to perform VSPAero CP Slice analysis

That was indeed the issue, thank you for your help and prompt reply! Joe On Tuesday, 18 March 2025 at

Mar 18

Steven Zhu, Rob McDonald3

Mar 17

Question About Actuator Disk Model in VSP

Dear Rob, Thank you very much for your answer! Steven 在2025年3月16日星期日 UTC 18:29:13<Rob McDonald>

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Question About Actuator Disk Model in VSP

Dear Rob, Thank you very much for your answer! Steven 在2025年3月16日星期日 UTC 18:29:13<Rob McDonald>

Mar 17

zach....@fhengineering.com, Rob McDonald4

Mar 17

VSPAERO odd UI Bug?

Thanks for the quick reply - and the workaround. On Sat, Mar 15, 2025 at 11:28 PM Rob McDonald <

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VSPAERO odd UI Bug?

Thanks for the quick reply - and the workaround. On Sat, Mar 15, 2025 at 11:28 PM Rob McDonald <

Mar 17

Gennaro Barbato, … Rob McDonald6

Mar 17

Using VSPAERO Without OpenVSP for Optimization

On Sunday, March 16, 2025 at 3:06:00 PM UTC-7 barbato...@gmail.com wrote: Thanks, Rob, for your

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Using VSPAERO Without OpenVSP for Optimization

On Sunday, March 16, 2025 at 3:06:00 PM UTC-7 barbato...@gmail.com wrote: Thanks, Rob, for your

Mar 17

Abel Castro, … Rob McDonald12

Mar 16

VSPAero Results not working on BWB Design

When I do the two things I told you to do in the first email I sent to you, I get this result. Note I

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VSPAero Results not working on BWB Design

When I do the two things I told you to do in the first email I sent to you, I get this result. Note I

Mar 16

Carlos Rodriguez

Mar 15

Convergence results solver cases

Hello, I'm trying to retrive the convergence results using the python API. I am using "

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Convergence results solver cases

Hello, I'm trying to retrive the convergence results using the python API. I am using "

Mar 15

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