Product · What HFG does

One connected engineering model.

HFG takes a vehicle from requirements to the track and the simulator in one Windows desktop application. Every stage reads the same solved car — change something upstream and everything downstream recalculates.

Ask about an evaluation licence See how a result is traced
Windows desktopLicence groups of 1 to 100 usersPriced by the year
HFG 3-D viewport: the example F1000 vehicle solved as one car — four corners, pushrods, bell cranks, coilovers and anti-roll bars
The example vehicle, solved as one carHFG viewport

01 · The workflow

Define. Solve. Measure. Stiffen. Optimise. Drive. Iterate.

These are stages of the engineering, not tabs in a menu. What makes them one workflow is that each stage reads the one below it — no exporting, rebuilding or re-typing between tools.

  1. 01DefineRequirements, hardpoints, suspension type. Geometry can be generated from targets.
  2. 02SolveThe 3-D mechanism through bump, rebound, steer and combined motion.
  3. 03MeasureCamber, toe, castor, KPI, scrub, trail, roll centre, motion ratio, travel.
  4. 04StiffenSprings, dampers, bars, wheel rate, ride and roll; member loads and strength.
  5. 05OptimiseVariables, constraints and objectives; candidates compared.
  6. 06DriveDynamics channels, track studies, controllers, optional simulator export.
  7. 07IterateDriver feedback and results go back into the design.

02 · Propagation

Move a hardpoint. Everything downstream moves with it.

Raise or lower the front lower-wishbone inboard pivots. The mechanism is re-solved and every quantity below is recalculated — geometry, rates and the balance of the whole car.

Camber gain

−0.060 °/mm

baseline

Kinematics

Front roll centre

75.7 mm

baseline

From instant centres

Motion ratio

0.462

baseline

Pushrod rides the LCA

Front wheel rate

21.3 N/mm

baseline

Ks · MR²

Front roll share

50.4 %

baseline

Springs only

Roll gradient

1.05 °/g

baseline

Whole vehicle

Computed in your browser on HFG's example F1000 geometry with a port of HFG's solver. In HFG the chain continues into dynamics, optimisation targets and track studies.

03 · The application

The software itself.

Captured from HFG's 3-D viewport. Workspace captures are in preparation — the smaller frames say exactly what each will show.

HFG viewport, front view: both front corners with pushrods, bell cranks and the anti-roll bar
Front view — pushrods, bell cranks, T-barHFG viewport
HFG viewport, plan view of the example vehicle's four corners
Plan view — four corners, one vehicleHFG viewport
Hardpoint editor

A front corner in the viewport, the hardpoint table and boundary boxes.

Capture in preparation
Kinematics results

Camber and toe against wheel travel, with the live marker on the curve.

Capture in preparation
Optimisation

Variables, constraints, targets and candidate convergence.

Capture in preparation
Vehicle-dynamics channels

A test event with its channels plotted.

Capture in preparation
Track study

A circuit with lap and vehicle-state channels.

Capture in preparation
Simulator export

The export of a vehicle to Assetto Corsa.

Capture in preparation

04 · Capabilities

What the model covers.

Geometry & kinematics

  • Hardpoint definition and editing, full geometry modelling
  • 3-D visualisation of the suspension
  • Bump, rebound, steering and combined sweeps
  • Camber, toe, castor, KPI, scrub, trail, roll centre
  • Motion ratio, wheel travel, damper travel

Stiffness & strength

  • Spring and damper relationships, wheel rate
  • Ride frequency, roll stiffness and front/rear split
  • Load path through the suspension
  • Member loads, stress and yield checks
  • Buckling and rod-end / joint ratings

Dynamics

  • Vehicle-dynamics modelling and response analysis
  • Dynamics-channel analysis
  • Parameter sensitivity
  • Before/after and multi-candidate comparison
  • Setup comparison and iteration

Optimisation

  • Design-variable and constraint-based optimisation
  • Channel optimisation
  • Surrogate-model optimisation
  • Re-optimisation after design changes
  • Candidate comparison and result visualisation

Controls

  • PID controller workflows
  • LQR controller workflows
  • Rear-wheel steering, including controller development
  • Controller tuning and testing
  • Controller export

Track & simulation

  • Track studies and lap-time analysis
  • Vehicle-state channels around a lap
  • Track-based setup comparison
  • Simulator export with the Export Pack, an optional add-on — currently supports Assetto Corsa
  • Driver testing and feedback into re-optimisation

Open Equations

Visible relationships behind calculated outputs: input → equation → output, the variables involved and the assumptions alongside. How it works

Learning Tab & Help Me Guide

Engineering explanation built into the tools — teaching in the Educational edition, contextual guidance in Industrial/Enterprise. Education

05 · Formula Student

Built for a team, not a single seat.

A Formula Student car is engineered by several people against a competition deadline, then handed to next year's team. The Formula Student Team licence gives five users the full engineering environment: one model the suspension, dynamics and optimisation work all reads from.

Ask about a team licence
Several engineers
Team workflow support under the licence, five users.
Deadlines
Geometry generated from requirements, then optimised — rather than iterated by hand.
Knowledge
Project files stay with the team; the equations behind every number are visible to the next cohort.
The whole car
From suspension to lap time and, with the Export Pack, a simulator the drivers can use.

See it on your car.

Ask about an evaluation licence Request a quotation