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Simulation Helps Improve Valve Trains

 

 
Engineers at DaimlerChrysler once analyzed valve trains with nothing more than old Fortran programs. But 3D dynamic-simulation software now handles the task with features tailor-made for modeling fast-moving, complex mechanical linkages. The old homegrown Fortran modeled valve motions in just one dimension. It also had trouble accurately representing dynamic lateral forces. Another drawback was that complicated design changes usually necessitated writing new code. Use of general-purpose multibody analysis codes called LMS DADS overcomes such difficulties. The software, from LMS International, Leuven, Belgium ( ), boasts special features such as cam contact and combustion-force elements, helical-spring models, and flexible bodies. The software models 3D systems and imports them from most major CAD packages. Engineers define joints, constraints, and forces in DADS, and the software solves the nonlinear motion equations
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Product Announcements
LMS International - LMS Engineering Services
The engineering team from LMS Engineering Services helps you explore and define solutions to development related issues. Whether you require vehicle development support or a quick troubleshooting... (read more)
LMS International - LMS Virtual.Lab Motion
LMS Virtual.Lab Motion is designed to simulate realistic motion and mechanical system loads. It offers effective ways to quickly create and use multi-body models, efficiently re-use CAD and FE (Finite... (read more)
LMS International - LMS Imagine.Lab Vehicle System Dynamics
LMS Imagine.Lab Vehicle System Dynamics offers dedicated capabilities to design individual chassis system components (brakes, suspension, steering, anti-roll system and the vehicle itself) and... (read more)
LMS International - LMS Virtual.Lab Acoustics
The LMS acoustic simulation solutions, powered by the ground-breaking LMS SYSNOISE solver, cover routine applications, such as structural noise radiation and cavity field simulations, and address... (read more)
LMS International - LMS SCADAS Recorder
Built on the LMS SCADAS Mobile platform, the LMS SCADAS Recorder has been designed for applications such as proving ground testing, large production plants, off-road vehicles, wind turbines and many... (read more)
LMS International - LMS Test.Lab Structures
With LMS Test.Lab and the latest transducer innovations, technicians can perform large-scale modal surveys in less than a day. LMS is renowned for its modal testing experience - from impact testing of... (read more)
LMS International - LMS Imagine.Lab Powertrain Transmission
LMS Imagine.Lab Powertrain Transmission provides a generic platform for analyzing and designing optimal transmission systems. LMS Imagine.Lab Powertrain Transmission gives access to driveline, engine... (read more)
LMS International - LMS Test.Xpress
LMS Test.Xpress is a no-compromise noise and vibration analyzer and recorder that combines the ease of use of a traditional analyzer with the high-speed performance and measurement quality of an... (read more)
MAYA Heat Transfer Technologies Limited - Fluid Flow Analysis
MAYA's fluid flow simulation software provides a comprehensive 3D computational fluid dynamics (CFD) solution fully integrated within I-DEAS, FEMAP and UG-NX. (read more)
 
Topics of Interest
Software roots out design flaws before building pricey prototypes. The PV6 valve-train (right engine bank) simulation models 38 separate components. A simulation snapshot reveals valve-stem... (Read More)
Audi has achieved considerable progress in supporting the durability design of upcoming models by using a hybrid approach that effectively combines testing and simulation. This new methodology,... (Read More)
LMS Virtual.Lab engine radiated acoustics has been a focus of LMS for a long time. LMS has developed specific techniques such as Mesh Coarsening and Acoustic Transfer Vectors (ATVs) to speed up and... (Read More)
The ArbeitsKreis KUndenKOllektive (KUKO) was founded ten years ago by AUDI, BMW, DaimlerChrysler, Porsche, VW and LMS. The KUKO group had set as its goal to analyze the real customer usage in a... (Read More)
CHAPTER LIST Chapter 13: An Overview of Several Formulations for Multibody Dynamics Chapter 14: Dynamic Models in Multi-Body Systems A Product Life Cycle Key Technology Chapter 15: Real-Time... (Read More)
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IPC Multimedia Training DVD's

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11 See more product announcements for Learning Management Systems (LMS)