Vehicle Motion

LMS Virtual.Lab Vehicle Motion simulates all types of vehicle ride and handling behavior from passenger cars and motor sport vehicles to multi-axle vehicles. Front and rear-axle suspension models created with the LMS Virtual.Lab Suspension Interface can be integrated modularly into a full-vehicle model. The library of pre-defined vehicle events, including ISO maneuvers can be extended by any user-defined event.

LMS Virtual.Lab Vehicle Motion

LMS Virtual.Lab Vehicle Motion simulates all types of vehicle ride and handling behavior from passenger cars and motor sport vehicles to multi-axle vehicles like trucks and buses.

Front and rear-axle suspension models created with the LMS Virtual.Lab Suspension Interface can easily be integrated modularly into a full-vehicle model including a steering system, brakes, powertrain and driveline, electronic control systems and tires. Dedicated subsystem templates for suspensions, steering, braking systems and driveline are also provided.

Vehicle simulations include multiple runs with standardized events. The available library of pre-defined vehicle events, including ISO maneuvers can be extended by any user-defined event. The car can be driven through a kinematic driver (open-loop control) or through a path following control algorithm implemented in LMS Virtual.Lab Motion (closed-loop). Additionally, the IPG Driver model includes complex drivervehicle interaction to include human reactions in the dynamic vehicle model.

To use motion simulations as input for downstream durability and comfort analysis with LMS Virtual.Lab Durability and LMS Virtual.Lab Noise and Vibration, accurate tire and road modeling are vital. LMS Virtual.Lab Motion offers a set of specific tire models dedicated to specific applications going from basic ride and handling analysis at low
frequencies (<10Hz) up to more complex comfort and durability analysis at higher frequencies(<100Hz). TNO MF Tire for LMS Virtual.Lab is based on the well-known Magic Formula empirical model. TNO MF Swift for LMS Virtual.Lab and LMS CDTire are both based on physical models. TNO MF Tire for LMS Virtual.Lab offers accurate
and scalable tire models for concept studies and handling simulations. TNO MF Swift is best suited to ride performance. LMS CD Tire provides a scalable 2D, 2.5D and 3D approach that accurately tracks tire vibrations up to 80 hertz for comfort and durability studies. Besides these specialized tire models, a simple version is included for vehicles where tire performance is not crucial to the overall design. LMS Virtual.Lab Motion also provides scalable road surface modeling from the 2D even road up to the digitized test track solution allowing the digital reproduction of any proving ground for both calculation and model visualization.

Features

Full vehicle modeling template with front and rear suspension models for quick body assembly
Standard Tire Interface (STI) with basic 2D tire models and interface links to TNO Tire Human driver model for openloop and closed-loop maneuvers
Dedicated vehicle dynamics postprocessing functionalities include body roll, pitch, yaw angles and rates, and suspension-related characteristics, such as toe, camber angle, and caster.
Seamless integration for the optional LMS CD Tire and Monroe Shock Absorber model

Benefits

Ensure efficient modeling and analysis with full vehicle simulation templates
Save costly test track time by simulating ride and handling behavior on virtual prototypes
Provide accurate durability input loads for suspension optimization very early in the design process by driving full-vehicle motion models with corresponding tire models on a digital test track
Verify control strategies, like powerassisted steering, power-assisted braking and ESP, in the concept
stage on 3D virtual vehicle models

Covering a range of industries, LMS application cases let you discover how LMS solutions help our customers solve their real-life engineering challenges.

Mitsubishi develops vehicle platform with support of LMS

Mitsubishi Motors Corporation is working with LMS in a strategic partnership to frontload vehicle engineering and optimize designs for critical attributes earlier in the process. LMS recently supported Mitsubishi in reaching these objectives on a new small-car platform with multiple upper body designs. Mitsubishi also teamed with LMS to deploy these advanced simulation processes based on LMS Virtual.Lab for the development of innovative future vehicles.

Timoney Technology uses LMS Virtual.Lab Motion to design independent suspensions

Using LMS Virtual.Lab Motion multibody simulation, Tier One supplier Timoney Technology designs independent suspensions that boost the productivity of off-highway construction trucks by as much as 50%. Their innovative suspension concept enables the vehicles to travel at greater speeds on rough terrain without exceeding government standards for driver vibration.

Liebherr counts on LMS Multibody and Durability Technology

Liebherr relies heavily on engineering analysis to design their diesel-electric mining trucks to operate efficiently under heavy-duty conditions. In particular, LMS multibody dynamics technology was used for full-vehicle simulations to study the truck’s behavior on various terrains with a variety of load examples, including acceleration, braking, turns, bumps, holes, washboarding, up and down steep grades and bumping into rigid barriers.

Brochures

Download the LMS Virtual.Lab Introduction Brochure

Download the LMS Virtual.Lab Motion Brochure

Demo Movie

Vehicle Motion

Images


	Optimizing a quarter suspension using Design Sensitivity Analysis during any kind of test rig events.		Ride & handling simulations of human driving interaction by embedded controls or IPG-driver co-simulation.		Vehicle simulated driving on a flat, or uneven 2 or 3D road including a digitized proving grounds road.

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