Product Tiers

kdFlex Base is free & does not require a license. You can request a free evaluation license to unlock the kdFlex Pro features.

kdFlex Base

Free

No license required

Includes:

Frames Layer

Rigid multibody dynamics

Arbitrary serial, tree multibody topologies

Recursive, "O(N)" inverse, forward, hybrid dynamics

Constraint/inverse kinematics solver

Web based 3D graphics visualization

Built in numerical integration suite

Ability to define and integrate in custom models

kdFlex Graph

All Graph plans include:

All features in Base

Arbitrary size and serial, tree, graph topology systems

Fast O(N) computation of Operational Space Inertia matrix inverse

O(N) Tree augmented (TA) recurrsive closed-chain rigid body dynamics

Constraint embedding (CE) dynamics with loops (coming soon)

kdFlex Plus

All Plus plans include:

All features in Base

Arbitrary size serial, tree, topology flexible multibody systems

FEMBridge interface for NASTRAN

Frequency domain analysis support

kdFlex Pro

All Pro plans include:

All features in Graph & Plus

Arbitrary size and serial, tree, graph rigid/flexible topology multibody dynamics

O(N) Tree augmented (TA) recursive closed-chain flexible body dynamics

All versions of kdFlex have these additional features:

Computation of mass matrix, centroidal momentum

Multi-rate models, time delays, custom timed events

Ephemeredes interface layer

URDF model, YAML, JSON etc. model file importers

Quantities and units support

Support for CAD parts and stick figures

Data logging support

Contact and collision dynamics (coming soon)