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Top Use Cases: EFEA
Presentation introducing a few of the top use cases for the acoustic simulation software by MES.

Energy Finite Element Analysis by MES used to Control Interior Automotive Noise
EFEA uses a library of elements for modeling any physical system.

Energy Finite Element Analysis by MES used to Control Interior Aircraft Noise
With EFEA fewer elements are required compared to FEA, alternative designs can be evaluated rapidly enough in order to influence the design.

Hybrid Finite Element Analysis of a Rotorcraft
The Hybrid FEA method, based on combining conventional Finite Element Analysis with Energy Finite Element Analysis for mid-frequency computations, is applied to a rotorcraft.

Vehicle Airborne Noise Analysis Using the Energy Finite Element Method
EFEA is used to evaluate the exterior acoustic loading in a vehicle.

EFEA Examples
Files to use for practice in the EFEA Solver.

A hybrid finite element formulation for a beam-plate system
Appropriate damping elements are introduced in the connections between stiff and flexible members in order to capture the presence of the flexible members during the analyses of the stiff ones. The component mode synthesis method is combined with analytical solutions for determining the driving point conductance at joints between stiff and flexible members and for defining the properties of the damping elements which represent the flexible members when analyzing the stiff components. Once the vibration of the stiff members and the amount of power dissipated at the damping elements has been identified, an EFEA analysis is performed in order to determine the amount of vibrational energy in the flexible members.

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