ACTRAN Acoustics the Most Efficient Solution for Predicting Acoustic Radiation

p r o d u c t s ACTRAN Acoustics The most efficient solution for predicting acoustic radiation.

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> Standard and convected acoustics

> Extraction of acoustic modes

> Handling of heterogeneities such as complex flows or temperature gradients Product overview > Account for dissipation me- chanisms such as viscothermal Rich and powerful acoustic features for your simu- losses, acoustic absorption... lation needs > Direct response and modal su- perposition approaches ACTRAN Acoustics is the foundation where it brings unprecedented module of the ACTRAN family and efficiency, speed and productivity > Unique library of stable infinite is both a standalone tool and a pre- to your analysis process. ACTRAN elements for modeling anechoic requisite for advanced modules like Acoustics features seamless boundary conditions ACTRAN VibroAcoustics, ACTRAN interfaces with most FEA structural AeroAcoustics or ACTRAN TM. analysis codes like NASTRAN, > Pressure, velocity and admit- ACTRAN Acoustics contains a wide ABAQUS™ or ANSYS™. tance boundary condition set of acoustic modeling features ACTRAN Acoustics also offers making it the CAE tool of choice powerful features for analyzing > Plane, spherical and cylindrical for the simulation of a large variety sound propagation in ducts and may wave sources and excitation of of problems, from the simplest be used for designing e.g. intake ducts by incident plane waves component to the most elaborate and exhaust lines or air distribution system. The ACTRAN Acoustics systems in buildings, aircrafts and > Vibration results recovery from product relies on Free Field cars. most FEA structural analysis solvers for radiation analysis Technologies’ exclusive powerful, Among the many advanced features robust, fast and reliable acoustic available in ACTRAN Acoustics are > Direct and iterative solvers for finite and infinite element library. the handling of a mean flow field fast CPU times Sound fields in cavities are easily (convected acoustic propagation) analyzed with ACTRAN Acoustics and temperature gradient effects. > Available platforms: Windows 32 which offers both modal and Specific elements are also available & 64 bits, Linux and most Unix physical approaches. Absorbing to handle visco-thermal effects that platforms walls may be modeled in detail using are important when sound waves impedance conditions or porous propagates in narrow ducts or thin > Integration in ACTRAN VI material models. cavities (eg: hearing aids, solar array ACTRAN Acoustics is also uniquely panels, etc.). suited for sound radiation analysis, Target applications > Sound radiation by vibrating structures: powertrain, engine components (oilpan, intake manifold and air filter, valve cover, etc.), compressors, electrical motors, loudspeakers and more. > Intake and exhaust noise, including complex mufflers and silencers. > Air conditioning units and distribution systems (calculation of transfer matrices coefficients). > Sound absorption inside passenger compartment of cars, trains and aircrafts. > Sound propagation in complex media with mean flow or temperature gradient. > Audio devices such as telephones, hearing aids or musical instruments. ACTRAN Acoustics

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ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- Sound radiation by a powertrain. Waterfall diagram of the sound logical umbrella provided by the pressure level as a function of finite and infinite element method, frequency and regime. ACTRAN provides a rich library of elements, material properties, boundary conditions, solution schemes and solvers. ACTRAN is a high performance, high productivity, high accuracy modeling environment suiting the needs of the most demanding engineers, researchers and teachers and empowering them with the tool they need for solving the most challenging acoustic problems. Acoustic modes of an air Pressure distribution in an exhaust conditioning module. muffler, where temperature gradients and mean flow are taken into account. f r e e f i e l d technologies

Free Field Technologies develops, maintains, supports and sells the ACTRAN acoustic CAE software suite. The company also provides related support, technology transfer, engineering, technical support, training and customization services.

FFT operates from its head- quarters in Mont-Saint-Guibert (Belgium) and from local offices in Toulouse (France) and Tokyo (Japan). ACTRAN is distributed worldwide by a dense network of partners; please contact us for details of your nearest partner.

Presure field generated by the vibration of a powertrain. www.fft.be

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be p r o d u c t s ACTRAN VibroAcoustics The most advanced tool for vibro-acoustic simulation

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> All ACTRAN Acoustics features (see dedicated flyer) > Poro-elastic element library based on the Biot theory for modeling bulk reacting materials > Full element library for modeling visco-elastic structures (solids, shells, beams) Product overview > Piezo-electric element libraries A complete, robust, reliable, productive and high for modeling active structures performing vibro-acoustic CAE module > Visco-thermal elements for modeling thin air layers or thin tubes ACTRAN VibroAcoustics is the most A modal basis may also be imported complete vibro-acoustic simulation from most structural FEA codes and > Composite elements library for software currently available on the be used as a representation of the modeling complex multilayered market. structural model. composite structure Built on top of ACTRAN Acoustics Your vibro-acoustic model may > Advanced random vibro-acous- and relying on Free Field be submitted to the most realistic tic features including diffuse Technologies’ powerful finite and working conditions by combining sound field, turbulent boundary infinite element library, ACTRAN acoustic, dynamic and kinematic layer and rain-on-the-roof VibroAcoustics provides a rich library boundary conditions, as well as more excitation models of elements, materials, boundary physical excitations like diffuse > Solution using physical or modal conditions, solution schemes and sound field and turbulent boundary coordinates solvers and is used by the most layer. > Full support of non-congruent demanding engineers, researchers ACTRAN AeroAcoustics and meshes and teachers to solve challenging VibroAcoustics can be combined: vibro-acoustics design problems. modeling complex aero-vibro- > Direct, iterative and parallel solvers for very fast CPU times To build the structural model in acoustics problems has now become ACTRAN you can rely on its rich reality! > Unique fast FRF synthesis solver material library. Indeed, ACTRAN The available solution schemes > Computation of stress levels features not only conventional include coupled or uncoupled models materials for acoustic or visco- in physical and modal coordinates, in > Output of global and per material elastic media but also more energy quantities frequency or time domain. The very specific models for porous or efficient linear equation solvers and > Compatible with other ACTRAN incompressible media, composite the parallel processing capabilities modules for aero-vibro-acous- materials or active components make ACTRAN the solution of choice tic simulations (including piezo-electric ceramics). for solving industrial-size problems > Integration in ACTRAN VI All material types can be combined in design optimization processes. in a single model to achieve the most realistic results. Target applications > Automotive: noise related problems from powertrains, intakes, exhausts, passenger compartment, trim, seats, hoses, tires, windows and windshields, audio, HVAC. > Aerospace: sound transmission through cockpit and fuselage, noise propagation in air distribution system, response to TBL excitation, random dynamic response of rocket payload at take-off. > Consumer goods: telephones, headsets, loudspeakers, hearing aid devices, disk drives, washing machines, refrigerators, cameras. > Defense: underwater acoustics, sonars. ACTRAN VibroAcoustics

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ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- Vibro-acoustic model based on Vibration levels of a multi-layered logical umbrella provided by the a modal approach and coupling a windshield, involving two layers of finite and infinite element method, sidewindow and the inner acoustic glass and one layer of visco-elastic ACTRAN provides a rich library cavity of the vehicle. PVB material. of elements, material properties, boundary conditions, solution schemes and solvers. ACTRAN is a high performance, high productivity, high accuracy modeling environment suiting the needs of the most demanding engineers, researchers and teachers and empowering them with the tool they need for solving the most challenging acoustic problems. Sound generated by a loudspeaker. Stress level on a antenna model loaded by a diffuse field. A modal approach has been used. f r e e f i e l d technologies

This muffler model includes an inner and outer acoustic model coupled by a www.fft.be flexible structure.

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be p r o d u c t s ACTRAN for NASTRAN Advanced vibro-acoustic analysis combining ACTRAN and NASTRAN

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> Analysis of fully trimmed models combining NASTRAN body-in- white models with ACTRAN trim models.

> Import of NASTRAN super-elements into ACTRAN.

> Export of ACTRAN components to NASTRAN using DMIG data blocks. Product overview > Support of most NASTRAN brands (MSC, MD, NX, NEi) Combine the strength of ACTRAN and NASTRAN for advanced vibro-acoustic modeling

ACTRAN is a powerful tool for 1 ACTRAN for NASTRAN is able to Target applications modeling and analyzing complex merge a set of ACTRAN models of vibro-acoustic systems and individual trim components with a > Acoustic transmission specifically trim components. Such NASTRAN body-in-white model through components components are usually made in order to create a fully trimmed in real-life mounting of materials with high damping body vibro-acoustic model. conditions and strong acoustic absorption 2 An ACTRAN model may be set in characteristics; as such they have > Trimmed body modeling its real-life working environment a significant influence on the overall using a combination of by connecting it to an existing vibro-acoustic behavior of the ACTRAN detailed models NASTRAN model (e.g. a detailed structure. in physical coordinates ACTRAN model of a layered and a NASTRAN body-in- Accounting for high damping very windshield may be connected to white modal model often relies on the use of physical a NASTRAN model of the vehicle coordinates, hence ACTRAN models body). are usually available in physical 3 A NASTRAN model may be enriched coordinates. by including a reduced ACTRAN NASTRAN is the reference tool for model of a specific component. vibro-acoustic analysis of lightly The ACTRAN component is damped structures and cavities. defined as a DMIG data block in It features efficient modal analysis the NASTRAN deck. solution sequences, making it ACTRAN for NASTRAN makes suitable for handling large models the vibro-acoustic analysis of fully like automotive vehicle body-in-white trimmed bodies possible. To model or an aircraft fuselage. NASTRAN the problem with both efficiency and models are usually available in accuracy, Free Field Technologies modal coordinates. develops the innovative hybrid ACTRAN for NASTRAN provides methods of ACTRAN for NASTRAN. CAE engineers advanced features With these hybrid methods, the for mixing the best of both worlds: strength of modal and physical ACTRAN physical model and approaches are combined and their NASTRAN modal model. Three weaknesses circumvented. types of combined models may be created: ACTRAN for NASTRAN

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ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- The use of acoustic trim is Truck cabin coupled to three trim logical umbrella provided by the ubiquitous in cars. ACTRAN for components. finite and infinite element method, NASTRAN provides an efficient tool ACTRAN provides a rich library for modeling the NVH impact of of elements, material properties, trim components in a car. boundary conditions, solution schemes and solvers. ACTRAN is a high performance, high productivity, high accuracy modeling environment suiting the needs of the most demanding engineers, researchers and teachers and empowering them with the tool they need for solving the most challenging acoustic problems. Import of NASTRAN superlements ACTRAN multilayered trim into ACTRAN. component.

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Structure and cavity maps for a coupled cavity-trim-structure model. www.fft.be

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be p r o d u c t s ACtran tm The leading solution for turbomachinery noise prediction

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> All ACTRAN Acoustics features (see dedicated flyer)

> Acoustic propagation and radiation on top of a non- uniform mean flow

> Accurate modeling of liners including the effects of the flow (Myers-Eversman formulation) > Infinite elements for unbounded Product overview domains A powerful acoustic CAE tool for turbomachinery > Excitation defined by incident acoustic duct modes noise prediction

> Harmonic analysis ACTRAN TM is the reference CAE derived from pressure fluctuations tool for analyzing the sound radiated calculated on a set of planes by one > 2D, axisymmetric and 3D by turbo machines and for optimizing of the supported CFD tools. Both analysis the related acoustic treatments. 3D and axisymmetric models can be ACTRAN TM is used extensively by defined. > Complete finite element library many leading aerospace companies (tria, quad, tet, hex, prism, pyra, that rely on the tools’ accuracy, One of the challenges of acoustic all in linear and quadratic forms) ease-of-use and performance for CAE is to handle large models reaching their strategic acoustic associated to high wave number > Direct and iterative solvers for design goals. and to large geometrical size and improved efficiency complexity. ACTRAN TM meets this ACTRAN TM contains all advanced challenge thanks to its efficient solver > Available platforms: modeling features required for turbo technology that includes advanced Windows 32 & 64 bits, Linux and machinery noise analysis. To capture parallel processing. most Unix platforms the important convection and refraction effects, the sound waves ACTRAN TM is used not only for > Streamlined interface with propagate on top of a non-uniform optimal aircraft engine nacelle leading CFD tools, including background mean flow which can be liner design but also on inlet and Fluent™, STAR-CD™ and calculated by ACTRAN or imported outlet liners for helicopter turbines, Powerflow™ for importing mean from a CFD simulation. The influence environmental control systems flow of the mean flow on the performance (ECS) or auxiliary power unit (APU). ACTRAN TM is also used for non > Identification of the incident duct of acoustic liners is accounted aerospace applications like computer modes amplitudes from CFD for thanks to the Myers boundary cooling system noise and more. simulations using a triple plane condition. The acoustic source is defined in terms of incident duct pressure matching technique ACTRAN TM can be complemented modes of arbitrary order and their by ACTRAN DGM to solve problems amplitude can be defined in a variety > Integration in Actran VI involving complex shear layers of ways (e.g. normalized amplitude, and flow gradients occurring at the intensity, equal distribution of engine exhaust. energy on all propagating modes) or

Target applications > Aircraft engine noise, including nacelle design > Ducted cooling systems (electronic devices) > Blower systems (air conditioning modules) > Helicopter turbine noise actran TM

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ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- Mesh of a half nacelle model (left) Sound propagation through an APU logical umbrella provided by the and the associated computed flow unit - Model courtesy of Airbus™. finite and infinite element method, magnitude (right). Model courtesy ACTRAN provides a rich library of Airbus™. of elements, material properties, boundary conditions, solution schemes and solvers. ACTRAN is a high performance, high productivity, high accuracy modeling environment suiting the needs of the most demanding engineers, researchers and teachers and empowering them with the tool they need for solving the most challenging acoustic problems. Influence of a splitter within a duct Visualization of the sound - Model courtesy of Airbus™. directivity generated by a turbine - Model courtesy of Airbus™. f r e e f i e l d technologies

Nacelle duct mode propagation - Model courtesy of Alenia Aermacchi™. www.fft.be

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be p r o d u c t s Actran DGM The ideal complement to ACTRAN TM for aircraft engine exhaust

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> Module based on Linearized Euler Equations (LEE) : ability to solve problems with strong shear layers, temperature gradients or non-homentropic flows

> Resolution based on a Discontinuous Galerkin Method

> 2D, axisymmetric and 3D analysis

> Unstructured mesh with adapta- Product overview tive high order elements (ranging from 1 to 16) : the mesh can be used for several frequencies Modeling noise propagation in complex flows using linearized Euler equations and discontinuous > Automatic and efficient detection of the harmonic regime Galerkin methods ACTRAN DGM solves the linearized mesh method, it is not submitted to > Far-Field radiation based on a Euler equations using discontinuous the standard constraints of a Finite Ffowcs-Williams and Hawkings finite elements and is used for Difference mesh. As the order of the Formulation predicting the noise propagation in elements is automatically adapted, complex physical conditions. It is the mesh can be “non-homogeneous” > Very low RAM consumption particularly well suited to solving aero- (i.e. using very small and large acoustic problems at the exhaust of elements in the same model) without > Domain parallelism with automatic partitioning leading to high a double flux aero-engine, including any performance degradation. In scalability both in computational effects such as propagation through addition, the same mesh can be time and RAM strong shear layers, high temperature reused for frequencies of ratio 1 to gradients and non-homentropic 4 (i.e. a mesh that was designed to > Various boundary conditions mean flows. ACTRAN DGM can run at a frequency of 1000Hz can be available : duct modal basis, address 2D, 2.5D (axisymmetric with used for frequencies ranging from absorbing buffer zone (to simu- azimuthal order) or 3D problems. 500Hz to 2000Hz). late the far field) and admittance It includes all required boundary Thanks to the implementation of a (supplemented with Myers’ term conditions: decomposition of the if grazing flow) discontinuous spatial scheme for engine excitation in duct modes, solving the Linearized Euler Equations, non-reflective boundary conditions > Coupling with standard CFD the performance is highly scalable in with absorbing buffer zones; liners codes parallel. This scalability of the RAM are modeled using a time-domain consumption and computational translation of the Myers BC (Extended > Integration in ACTRAN VI time makes the solution of very large Helmholtz Resonator Model). problems (in terms of kR) possible. The straightforward mesh generation is one of the key advantages of ACTRAN DGM. As an unstructured Target applications > Exhaust of turbomachines > Inlet of large turbomachines > All acoustic propagation problems with non-homogeneous mean flow conditions actran DGM

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ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- ACTRAN DGM handles complex Acoustic mode propagation from logical umbrella provided by the flows on real life geometries. the exhaust of an airplane jet finite and infinite element method, engine. ACTRAN provides a rich library of elements, material properties, boundary conditions, solution schemes and solvers. ACTRAN Speed Up 64 is a high performance, high pro- 56 ductivity, high accuracy modeling 48 40 environment suiting the needs of Linear Speed Up 32 DGM the most demanding engineers, 24 researchers and teachers and 16 8 empowering them with the tool 0 1 16 32 48 64 they need for solving the most Number of CPU challenging acoustic problems. Comparison of measurement data The ACTRAN DGM parallel solver and ACTRAN DGM simulations is highly scalable. results (TURNEX EC project). f r e e f i e l d technologies

Complex propagation of a high order duct mode through the exhaust of an www.fft.be aircraft jet engine - Model courtesy of Airbus™.

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be p r o d u c t s ACTRAN AeroAcoustics Complex flows noise simulation tool

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> All ACTRAN Acoustics features (see dedicated flyer)

> Two-step aero-acoustic approach: transient CFD followed by acoustic radiation

> Direct interface to most leading CFD codes using native CFD file formats

> Direct and iterative solvers for fast CPU times

> Available platforms: Windows 32 & 64 bits, Linux and most Unix platforms Product overview > Compatible with other ACTRAN Predicting the noise generated by complex flows modules for aero-vibro-acoustic simulations ACTRAN AeroAcoustics is a finite sources. > Integration in ACTRAN VI element based acoustic solver for 3. The radiated acoustic field predicting the noise generated radiated is then computed. This by turbulent flows. ACTRAN produces a wide set of relevant AeroAcoustics recovers aerodynamic results: acoustic pressure, Target applications noise sources from flow simulations velocity or intensity maps, performed with commercial CFD frequency response functions of > Air conditioning modules codes such as Fluent™, Star-CD™, various local (pressure) or global (HVAC). StarCCM+™ or Powerflow™. (power) quantities. > Side mirror noise. The complete simulation procedure This multi-step strategy offers involves three steps: > Airframe noise (landing several advantages: (1) Each part of gear, trailing edge). 1. An unsteady flow simulation is the work can be done independently performed by the CFD code. At by different engineers, departments > Air distribution systems. each time step, the CFD solution or even companies with different (velocity, density and pressure responsibilities or skills. (2) A single fields) is stored in its own native CFD simulation can feed different format or in the Ensight™ acoustic simulations (e.g. with format. different acoustic treatments). (3) 2. ACTRAN AeroAcoustics computes The acoustic mesh does not need the aero-acoustic noise to be refined where the aerodynamic sources from the CFD results structures are small (for instance in produced in step 1. This involves the boundary layers). translating results from the time ACTRAN AeroAcoustics offers high to the frequency domain and performance solvers and parallel interpolating them from the CFD processing features and is fully to the acoustic mesh. Maps of the integrated in ACTRAN VI. aero-acoustic sources produced ACTRAN AeroAcoustics can at this stage are in themselves be combined with ACTRAN useful results which can be used VibroAcoustics in order to address to identify the most effective aero-vibro-acoustic challenges.

Pressure level generated by an axial fan - Model courtesy of Trane™. ACTRAN AeroAcoustics

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ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- Aeroacoustic source term - Model Sound pressure level distribution - logical umbrella provided by the courtesy of John Deere™. Model courtesy of Visteon™. finite and infinite element method, ACTRAN provides a rich library of elements, material properties, boundary conditions, solution schemes and solvers. ACTRAN is a high performance, high pro- Microphone 1 ductivity, high accuracy modeling Experiment environment suiting the needs of Actran the most demanding engineers, researchers and teachers and empowering them with the tool SPL (dB) they need for solving the most challenging acoustic problems. Frequency (Hz) Pressure levels at different Correlation between ACTRAN frequencies - Model courtesy of AeroAcoustics predictions and Trane™. measurements - Model & results courtesy of Visteon™. f r e e f i e l d technologies

Fluid Dynamics Acoustics Free Field Technologies develops, maintains, supports and sells the CAD ACTRAN acoustic CAE software suite. The company also provides related support, technology CFD Mesh Acoustic Mesh transfer, engineering, technical support, training and customization services. CFD Computation FFT operates from its head- quarters in Mont-Saint-Guibert ACTRAN Sources Mapping + FFT (Belgium) and from local offices Computation in Toulouse (France) and Tokyo (Japan). ACTRAN is distributed worldwide by a dense network of partners; please contact us for Acoustic details of your nearest partner. Results

Computational process overview. www.fft.be

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be p r o d u c t s ACTRAN VI Dedicated pre & post-processor for the ACTRAN CAE software family

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> Support of all ACTRAN features for the creation and editing of ACTRAN analyses

> Support of different mesh formats such as BDF (NASTRAN), OP2 (NASTRAN), UNV, RST (An- sys), CDB (Ansys), NFF & DAT (ACTRAN) and Patran Neutral Format

> Support of different results formats such as OP2, UNV, NFF, RST, HDF and Punch > Visualization of all ACTRAN spe- Product overview cific features

> Visualization of the projection ACTRAN’s powerful and user-friendly pre- and quality for incompatible meshes post-processor

> Synchronized viewports for re- ACTRAN VI is the new graphical templates (with or without mesh) sults and analyses comparison user interface specifically designed to ease the creation of recurrent for pre- and post-processing vibro- analyses. > Analysis templates for semi- and aero-acoustic analyses of all The post-processing tool supports automatic model creations ACTRAN modules. different results formats, such as Including an ACTRAN input file OP2, UNV, NFF, RST, HDF and > PLTViewer and WaterfallViewer reader to check or modify input files punch files. It contains different tool for easy display and han- generated by other tools, ACTRAN visualization modules, such as dling of frequency response VI supports several mesh formats contour plots (maps), iso-surfaces, functions (NASTRAN BDF, ANSYS RST and vectors or deformations, which can CDB, ACTRAN DAT and NFF, I-DEAS be freely combined and controlled > Contour plots, iso-surfaces, vectors and deformations fea- UNV, PATRAN Neutral Format) as using different filters. Synchronized tures responding to the specific input for creating ACTRAN input viewports makes it easy to compare requirements of the acoustics files. results at different frequencies, community Its various integrated pre-processing phases, times or related to different tools ease the creation and editing of load case. > Multiple cutplane filters for vi- ACTRAN models. It is easy to visualize An animation module dedicated to sualizing results within a mesh specific ACTRAN model features complex harmonic results coupled (such as modal basis, sources or with video export capabilities is also > Animation module dedicated to infinite elements coordinate system), included. complex harmonic and transient to specify the projection parameters ACTRAN VI includes the PLTViewer results between incompatible meshes, to and WaterfallViewer modules for insert additional entities (e.g. control easily displaying and handling > Video export capabilities points) or to visualize the specified frequency response functions, in boundary conditions. Additionally, single or multiple loadcases. it is also possible to define analysis Target applications > Validation, visualization and modification of existing ACTRAN analyses. > Creation of new ACTRAN analyses. > Display of all ACTRAN results. ACTRAN VI

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ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- ACTRAN VI workflow : mesh The PLTViewer tool is very useful logical umbrella provided by the import, model creation, and results for plotting FRFs, comparing finite and infinite element method, postprocessing. experimental data to results, etc. ACTRAN provides a rich library of elements, material properties, boundary conditions, solution schemes and solvers. ACTRAN is a high performance, high productivity, high accuracy modeling environment suiting the needs of the most demanding engineers, researchers and teachers and empowering them with the tool they need for solving the most challenging acoustic problems. Combination of deform, grayscale Multiple viewports can be used map and isosurfaces modules. for easy comparison of simulation results. f r e e f i e l d technologies

Overview of ACTRAN VI GUI. www.fft.be

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be s e r v i c e s Engineering Services Get the help you need for your acoustic CAE projects

o u r s t r e n g t h

> Basic and advanced, standard and custom designed, on-site or off-site, hands-on or theoretical training sessions.

> Hotline support

> On-site assistance

> Short or long, unique or recur- Overview rent consulting projects and engineering services Acoustic CAE services by Free Field Technologies

Free Field Technologies, the initiatives. > CAE Integration services developer of the ACTRAN acoustic, Our team is highly efficient in applying vibro-acoustic and aero-acoustic the ACTRAN family of software for > High-performance computing CAE software suite, also provides solving almost any type of acoustic consulting including installation, related technical services to its challenge. This goes through the optimization, integration and customers: technical support, entire chain of acoustic numerical customization services training, technology transfer, prediction: starting from the CAD methodology development, on- model through the mesh generation site or off-site consulting, custom up to the thorough post-processing > Acoustic CAE methodology de- developments. and analysis of the results output by velopment and deployment Our support team routinely answers ACTRAN. Our services also rely on dozens of support questions raised other CAE tools such as CFD software from all over the world by our packages, structural analysis codes, > Technology transfer services large user community. Answers MATLAB™ or Python scripts and provide accurate and timely help to more. professionals whose acoustic design FFT’s development group also > Professional team projects cannot wait. develops custom ACTRAN solution FFT’s consulting team in Brussels, sequences and request tuning for > High-quality reporting Toulouse and Tokyo may also help supporting your special needs. you reach your acoustic design ACTRAN installation, optimization, goals through off-site projects, integration and customization > High-performance computing on-site assistance, methodology services are also available. resources development and deployment missions or technology transfer

Project samples > Vibro-acoustic optimization of a multi-layered windshield > APU inlet liner optimization > Aero-acoustic analysis of HVAC systems > Vibro-acoustic analysis of a satellite antenna under random acoustic loads > Vibro-aero-acoustic study of side mirror noise transmission through the sidewindow into the passenger compartment > Optimization and tuning of ACTRAN on a 256 proc. cluster engineering services

t h e a c t r a n s o f t w a r e s u i t e

ACTRAN is the most complete acoustic, vibro-acoustic and aero-acoustic CAE software suite. Under a common techno- FFT is very active within the FFT is known for the high quality logical umbrella provided by the scientific community, constantly of its hotline support and on-site finite and infinite element method, providing more innovative assistance. ACTRAN provides a rich library solutions. of elements, material properties, boundary conditions, solution schemes and solvers. ACTRAN is a high performance, high productivity, high accuracy modeling environment suiting the needs of the most demanding engineers, researchers and teachers and empowering them with the tool they need for solving the most challenging acoustic problems. FFT helps you harness the full Maximize your CAE investments power of your high performance through our technology transfer computing resources. services. f r e e f i e l d technologies CAD Free Field Technologies develops, maintains, supports and sells the CAD external ACTRAN acoustic CAE software shape changed ? suite. The company also provi- Model Update des related support, technology transfer, engineering, technical YES New CAD NO support, training and customiza- KO tion services. Vibration Computation ACTRAN FFT operates from its head- Computation Validation quarters in Mont-Saint-Guibert Decision OK (Belgium) and from local offices Acoustic Database in Toulouse (France) and Tokyo (Japan). ACTRAN is distributed ACTRAN Acoustic Structural Results worldwide by a dense network of Post-Processing Results partners; please contact us for details of your nearest partner. Example of vibro-acoustic analysis workflow integrating ACTRAN within the overall CAE process.

www.fft.be

FREE FIELD TECHNOLOGIES Axis Park Louvain-la-Neuve – Rue Emile Francqui, 1 B-1435 Mont-Saint-Guibert - BELGIUM

t +32 10 45 12 26 f +32 10 45 46 26 [email protected] – www.fft.be