Coustyx by ANSOL

ANSOL was founded in 1990. ANSOL's vision is to develop innovative solutions for design and analysis of mechanical systems. ANSOL has an established track record of successful commercialization of its innovative technologies. Product offerings include Cousytx for acoustic simulations and Caelynx suite of products for transmission design. Consulting services are also provided.

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Enabled Solution: Coustyx
Category: NVH

What is Coustyx?

Coustyx is a next generation analysis software that integrates Advanced Boundary Element formulations with Fast Multipole Method to yield fast, accurate solutions to very large problems in Acoustics, across a wide frequency range. Coustyx is developed with support from the National Science Foundation.

Key Features & Benefits

  • Built on FMM-BEM technology -- allows very large models (1 Million DOFs).
  • Intuitive GUI for easy model setup. Integrated 3D post-processor to visualize analysis results.
  • Parallel implementation on shared memory, multi-processor computers takes advantage of multi-core processors to yield faster solutions.
  • Programming Language Support and Batch Mode Options are available.
  • Built-in FEA translators to import geometry and vibration data from NASTRAN, ABAQUS and ANSYS.
  • Most comprehensive selection of Boundary Condition options, and built-in Acoustic wave sources.
  • Outputs include Sound Pressure, Velocity, Intensity, Directivity, Power (ISO Standards 3744, 3745 and 9614 available), and Muffler Transmission Loss.


Automotive industry
  • Sound fields in passenger cabins, Panel Contribution Analysis, Evaluation of trim materials
  • Noise radiation from components such as engine, powertrain and tires
  • Intake and exhaust muffler performance and tuning


Available Modules
  • Coustyx GUI Pre-Processor
  • Coustyx Solver


Application name Hardware platforms
Coustyx GUI Pre-Processor Windows (32 bit) on X86
Windows (64 bit) on X86-64
Coustyx Solver Windows (32 bit) on X86
Windows (64 bit) on X86-64
Linux (64 bit) on X86-64