Ingenieurgesellschaft für
technische Software

Vibro-Acoustics with PERMAS
Fast and Reliable

PERMAS offers comprehensive functionality for vibro-acoustices with maximum efficiency.
The highest standards of calculation quality and efficiency apply to all applications.

Eigenvalue Analysis

Real and complex eigenvalues. Additional stiffness effects like: geometrical/pressure stiffness, centrifugal/convective stiffness.

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Dynamic response

Modal and direct methods in time. and frequency domain.

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Fluid-Structure Acoustics

Coupled fluid-structure modes and dynamic response.

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Random Response

Random excitations, like wind loads, bumpy roads, waves.

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Brake Analysis

Identification of instabilities for squeaking, stability map determination.

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Squeak and Rattle Noise

By using the harmonic balance method.

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