Simcenter Madymo

The reference for crash safety and occupant protection

Simcenter Madymo is the dedicated tool for automotive passive safety and occupant restraint simulation, combining multibody dynamics and finite elements to model occupant response and injury in a crash.

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Overview

Passive safety simulation is not only about how the car behaves — it is about how the occupant is injured. Madymo describes occupant motion and loading with multibody dummy models, while finite elements handle airbag deployment, seatbelt webbing and interior contact, solved in a coupled manner. It ships a validated dummy library covering regulatory and consumer-test load cases.

The tool is standard equipment at OEMs and safety component suppliers, used mainly for restraint system matching, airbag parameter calibration and pre-assessment against regulations. Substituting simulation for part of the physical crash test programme reduces development cost noticeably.

Positioning

Passive safety and occupant restraint simulation

Solving approach

Multibody dynamics coupled with FE

Core capability

Occupant response / airbag deployment / injury assessment

Standards

National regulations and NCAP assessment cases

Typical industries

Automotive OEMs, safety components, rail

Key capabilities

Dummy model library

Validated dummy models covering regulatory and NCAP load cases.

Coupled multibody and FE

Two-way coupling of occupant multibody response with airbag finite elements.

Airbag simulation

Complete modelling of deployment, venting and occupant contact.

Seatbelts and restraints

Webbing, pretensioner and load limiter modelling and calibration.

Injury criteria output

Direct output of head, chest and leg injury metrics.

Vehicle model interfaces

Coupling with full vehicle crash models and tools such as STAR-CCM+.

What it delivers

Regulatory and NCAP cases pre-assessed in simulation, cutting physical test rounds
Validated dummy models give results comparable with test data
Airbag and seatbelt parameters calibrated quickly in a virtual environment
Injury criteria output directly, simplifying compliance judgement
Couples with vehicle and CFD tools for complete crash scenarios

Modules & components

Madymo MultibodyOccupant kinematics and loading.

Madymo FEAirbag and seatbelt finite element simulation.

Madymo Dummy LibraryDummy models across size and type.

Madymo Injury AssessmentInjury criteria calculation and reporting.

Coupling InterfacesLinks to vehicle crash models and third-party tools.

Typical applications

Frontal and side impact simulationAirbag parameter calibrationSeatbelt and restraint matchingPedestrian protection analysisPre-assessment of regulatory casesSeat and interior safety design

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