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10th July 2018, West Jordan, UT

AeroTex UK licenses VABS software

AnalySwift, a provider of high-fidelity modelling software for composites and other advanced materials, has announced that AertoTex UK has licensed its VABS software for the simulation of composite propellers, rotor blades, and other slender structures.

Located in the UK, AeroTex UK has extensive experience in the area of structural dynamics, including building and analysing complex structural models. The aerospace company specialises in working with rotorcraft and rotor blades, including propellers.

VABS for designing and analyzing a composite blade. © AnalySwift

“At AeroTex we undertake designs on complex aerospace structures using multi-disciplinary analyses, seeking to minimise loads and vibration and improve aeroelastic stability margins,” said Colin Hatch, lead structural consultant at AeroTex UK.

VABS is a general-purpose cross-sectional analysis tool for computing beam properties and recovering 3D stresses/strains of slender composite structures. It is a tool for modelling composite helicopter and wind turbine rotor blades, as well as other slender composite structures, such as landing gear, propellers and high-aspect ratio wings.

“VABS gives us a potent tool in our armoury, enabling us to create models of rotor blades and propellers as equivalent beam structures with faster design cycles compared with large 3D finite element models. VABS allows us to have a refined model in the structure cross-section giving us the ability to model individual composite plies without compromising the design cycle time.”

“We are very pleased to have our VABS software selected by AeroTex to help meet their sectional analysis needs for composite propellers and rotor blades,” said Allan Wood, President and CEO of AnalySwift. “They are heavily involved in the rotorcraft area, which coincides nicely with VABS. As a versatile cross-sectional analysis tool, VABS delivers high-fidelity results early on, reduces design cycle, and shortens time to market.”

“The VABS programme is a uniquely powerful tool for modelling composite blades and other slender structures, commonly called beams,” said Dr Wenbin Yu, CTO of AnalySwift. “VABS reduces analysis time from hours to seconds by quickly and easily achieving the accuracy of detailed 3D FEA with the efficiency of simple engineering models. With VABS, engineers can calculate the most accurate, complete set of sectional properties such as torsional stiffness, shear stiffness, shear centre for composite beams made with arbitrary cross-section and arbitrary material. It can also predict accurate detailed stress distribution for composite beams, which are usually not possible with 3D FEA for realistic composite structures.”

With continuous development spanning nearly 30 years for performance and robustness, VABS is used in the aerospace and wind energy industries for modelling complex composite rotor blades, wing section design, and simulating other slender composite structures.

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