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Getting mechanical systems right first time

A major challenge facing engineers designing aerospace mechanical systems is to increase functionality while reducing weight and improving reliability. The interaction between control systems and mechanical assemblies needs to ensure safety, durability and stability. Loads at the component and system level need to be accurately calculated long before the prototype phase, while taking into account the flexibility of the structures involved.

Mechanical systems simulation

LMS Virtual.Lab provides dynamic and kinematic solutions that can evaluate the behavior of mechanical systems such as landing gear, control surfaces, doors, overhead bins, etc., prior to the availability of a physical prototype. LMS Virtual. Lab performs multibody simulation of complex systems, while accounting for the flexibility of components and the operation of control systems. Loads on components, assemblies and complete aircraft can be accurately calculated under a wide range of conditions, for example towing, taxying, symmetric and asymmetric braking, takeoff and landing. Finally, the integration of control systems and hydraulics enables systems engineers to study how aircraft mechanisms will interact with power hydraulics or electrical actuators.

Fatigue-life prediction 

LMS Virtual.Lab can also be used to predict the component loads that are required to evaluate the design. These loads are then used by LMS Virtual.Lab Durability to generate fatigue life predictions. Local stress concentrations are identified based on all possible combinations of local load conditions, making it possible to address durability problems long before prototypes are built. LMS Virtual.Lab offers a wide range of methods to determine fatigue life and to localize the weak spots. These approaches make it easy to predict the fatigue life of components such as landing gear main fittings. LMS Virtual. Lab is unique in its ability to easily integrate results from both virtual prototyping and physical testing.
 
Download the LMS Aerospace Engineering Brochure



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