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Stallion 3D with HIST Version 5.0

The Complete 3D CFD Software for the Aerodynamic Analysis of CAD Geometries.

Stallion 3D quickly generates aerodynamic performance data (lift, drag and moments) for new and existing CAD designs. Get superior RANS results without having to make a single grid. Grid generation in Stallion 3D is fully automatic. This eliminates the most time consuming and painful bottleneck in CFD. Stallion 3D quickly and accurately predicts the aerodynamic performance of your designs using its proprietary CFD algorithm (HIST). The software imports your CAD models and generates the 3D aerodynamic data needed to verify your designs and ensure your success. No kidding, No Gridding!

Buy 3-Month Subscription:
($895 USD)

Buy Perpetual License:
($6,000** USD)

**Save $2,000 USD

Other Purchasing Options

Stallion 3D 5.0 requires MS Windows 7, 8 or 10 (64 bit). The download file size is only 10 MB file.
Please call us at (352) 653-0875 for customer support.

Stallion 3D is your complete 3D Aerodynamics Solution

No need to purchase expensive add-ons for gridding or graphics.

Pre-processing (Built-in):

  • Stallion 3D inputs a STL file of your design
  • Grid generation is completely automatic (just click the menu)
  • Stallion 3D analyzes the actual geometry and you do not have to defeature your design.

CFD Solvers (Built-in)

  • Stallion 3D accurately solves the Reynolds Averaged Navier-Stokes Equations for air or water flows analysis
  • The k-epsilon turbulent model is used for realistic flow simulation at any angle of attack (0 to 360 degrees) and any cross flow angle (0 to 360 degrees)
  • Stallion 3D also has a Laminar Navier-Stokes solver
  • Stallion 3D also has a 3D Compressible Euler solver
  • The flow solvers use a 4-stage Runge-Kutta time marching scheme
  • A flux vector splitting scheme is used for shock capturing and to work out the domain of dependence
  • Actuator discs (up to 100) are used to model jet, prop wash and other propulsion effects (available in the RANS solver)
  • Quasi-steady surface rotations (in any direction and frequency) to compute stability derivatives and other special flow effects (e.g. a rotating sphere or cylinder).

Post Processing (Built-in).

  • Reports of CL, CD, CM, and related forces and moments coefficients in the coordinates directions
  • Reports of lift, drag, yaw, roll, pitch magnitudes and related forces and moments in the coordinates direction
  • Plots of pressure, Mach number, velocity, density and temperature on the STL surfaces as a contour color plot
  • Plots of pressure, Mach number, velocity, density and temperature at constant coordinate slices in the flow field
  • Plots of 2D line graphs of Cp, velocity, mach number, density and temperature at constant coordinates locations long the STL surface (for example, you can plot Cp (x) at any span location along the wing)
  • Graphs of streamlines (originating at any location in the flow) using arbitrary colors or using colors designated by the local flow pressure, velocity, density, temperature or Mach number

Even More Benefits!

  • SameDayCFD: Fast Multiple Core CFD Analysis on Your MS Windows Laptop or Desktop.
  • Install and Run Stallion 3D on Any of Your Computers Using the Same Password.
  • No Hidden Cloud Costs! All Computations are Performed & Stored on Your Computer.

Applications

airplane CFD

Subsonic, Transonic & Supersonic Aircraft

The Stallion 3D 5.0 Work Flow: Setup in Seconds

STL file input. No Geometry De-featuring. No user grid generation!

Import the geometry

Set the flow conditions

Setup the CFD

Generate Grid/Solve Flow

Validation with Experiments

Revolutionary Algorithm, HIST, Computes Accurate Solutions

The DrivAer Experimental Model

DrivAer Model CFD Analysis

The DrivAer experiment is a validation exercise for CFD solutions of passenger cars. The picture shows the flow velocity near the surface of the DrivAer model with mirrors and detailed under body. The problem was analyzed in Stallion 3D using 1.7 million cell and the RANS/k-epsilon solver. The solution was unsteady with an average drag coefficient of about 0.29.

HL-20 Analysis

HL-20 CFD Analysis

The results from Stallion 3D 5.0 RANS solver (CL = 0.41, CD = 0.25 & CM = -0.0387 ) were compared to the findings of NASA Technical Memorandum 4117,Transonic Aerodynamic Characteristics of a Proposed Assured Crew Return Capability (ACRC) Lifting-Body Configuration by George M. Ware. From the graphs, the corresponding experimental results were (CL = 0.48, CD = 0.24 & CM = -0.042). The geometry was obtained from NASA OpenVSP. The flow parameters for this case are M = 1.2 with an angle of attack of 12 degrees. This simulation used about 480,000 cells and ran for 3 hours on a 2 GHz laptop computer.

ONERA M6 Wing

ONERA M6 Wing CFD

Stallion 3D used the August, 2016 implementation of its RANS/k-epsilon solver for this analysis the ONERA M-6 wing. The CAD model was obtained from NASA OpenVSP hangar. The simulation was setup for the well know case of M=0.84 and an angle of attack of 3.06 degrees. This case used a grid of 447,640 cells and ran for 6 hours on a 2 GHz laptop computer with 4 cores. The picture shows the pressure on the wing along with comparisons of the computed CP versus the experimental data at 2 stations along the wing. Since no experimental values of CL and CD were found, the lift and drag coefficients were compared to results from NASA's CFL3D (Spalart-Allmaras model).

NASA CFL3D

Stallion 3D

% Difference

CL 0.2754 0.275 0.145%
CD_SkinFriction 0.00567 0.00483 14.81%
CD_Pressure 0.01348 0.014 -3.858%
CD_Total 0.01914 0.0188 1.776%

Stallion 3D Tutorials

Follow these instructions to get started in just minutes.

How to Analyze a Cessna 182

Cessna 182 CFD Analysis

Click here to learn the exact steps needed to analyze a Cessna 182 aircraft using Stallion 3D.

Analyze Race Car Wing

Wing Spoiler Analysis

Click here to watch the exact steps needed to design and analyze a rear wing spoiler for a sports car using Stallion 3D.

How to Analyze a BWB Aircraft

HL-20 CFD Analysis

Click here to learn the exact steps needed to analyze a blended wing body (BWB) using Stallion 3D.

Stallion 3D Customers

The following organizations use Stallion 3D for education, research & design.

Stallion 3D Subscriptions

Subscribe, download and run Stallion 3D. The file size is just 10 MB.

Stallion 3D 5.0 requires a MS Windows Laptop or workstation running the 64 bit versions of MS Windows 7, 8 or 10. A 4 core PC with a clock speed of at least 2 GHz is recommended for using the software.

The Stallion 3D 5.0 subscription includes full technical support by email, telephone or Skype.

Buy 3-Month Subscription:
($895 USD)

Buy Perpetual License:
($6,000** USD)

Other Purchasing Options

**Save $2,000 USD

Contact Us About Stallion 3D 5.0 With HIST

Email or telephone us with your questions or comments.

Email Us for More Information

Call us at (352) 653-0875

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