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What is Simpack?

SIMULIA Simpack is a complete software package dedicated to the development and simulation of high-fidelity multibody system virtual prototypes. It provides solutions that cover the needs of individual multibody experts up to large-scale company-wide deployments with hundreds of users.

What sets Simpack apart from other solutions is its reliance on a unique technology for setting up the equations of motion of a system. Therefore, the notable advantages of SIMPACK are the speed and robustness of its solver, surpassing its closest competitors, and its utilization of the latest mathematical techniques to deliver the highest degree of accuracy and reliability.

Simpack Application Areas

Thanks to its capability to model a wide range of mechanical systems, Simpack is a versatile tool that can be employed to solve engineering problems across various sectors of the mechanical industry. It is particularly well suited for modeling road and track vehicles (such as motorcycles, cars, trucks or trains), power systems (including internal combustion engines, electric engines and generators as well as drivetrain systems), and more.

Since 2005, SIMULIA/Simpack has also been offering the first industrial multibody solver capable of running any simulation model in a real-time environment, such as driving simulators or hardware-in-the-loop systems, without the need for code generation.



Simpack Automotive is used by many of the biggest automotive OEMs for all of their multibody simulation processes, especially in the field of suspension and chassis engineering. Simpack aids engineers in analyzing and designing any type of on- or off-road vehicle.


  • Unlimited modeling flexibility
  • Extreme non-linear system behavior
  • Analyses in the frequency and time domain
  • Fully parameterized, highly detailed automotive database
  • for all typical suspension/driveline types available
  • Scalable detail and complexity
  • Process automation and standardization using Simpack Wizard
  • Batch jobs and automatic report generation
  • Interfaces to third-party software
Simpack Automotive Simulation > Dassault Systèmes

Simpack Product Modules

Simpack's packaging relies on a core set of modules, including Simpack Pre, Simpack Solver, Simpack Post, and Simpack Wizard, which can be extended with additional general or industry-specific add-ons.

Core Modules
Simpack Multibody System Simulation Core Functionality
Automotive Modules
Simpack Automotive Modules for Full Vehicle Analysis
Bearing Modules
Simpack Simulates Bearings Interaction with the Complete System
Biomotion Modules
Simpack Simulates the Interaction between Humans and Technical Devices
Drivetrain Modules
Simpack Simulates Mechanical Power Transmission Systems
Engine Modules
Simulating Engine Operation with Simpack
Flexible Body Simulation Modules
Flexible Bodies in Simpack Multibody System Simulation
General Add-On Modules
Extending Simpack Capabilities
Multi Domain Interfaces
Enabling Co-simulation for Simpack
Rail Modules
Simpack Multibody System Simulation of Rail-Guided Systems
Realtime Module
Simpack Hardware-in-the-Loop (HiL) and Man-in-the-Loop (MiL) Simulations
Wind Modules
Simpack Simulates the Dynamics of Complete Wind Turbine Systems

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