NetComposites
Advanced Engineering 2019

Beijing Institute of Technology Leverages SwiftComp for Modelling Advanced Composite Materials

04 June 2019

AnalySwift announces that Beijing Institute of Technology is using its SwiftComp simulation software for researching new composite materials as part of the company’s recently launched Academic Partner Program.

The university’s projects will employ AnalySwift’s SwiftComp software in the simulation of 2D woven fibre-reinforced polymer-based, ceramic-based, and sandwich structure composites at elevated temperatures.

The Academic Partner Program (APP) offers participating universities no-cost licenses of engineering software programs SwiftComp and VABS so students, researchers, and faculty can leverage the tools in their academic research. It also affords students an additional avenue to highlight their research as AnalySwift periodically spotlights papers, theses, and articles involving the codes. A robust community of developers and users helps answer questions through the online cdmHUB (composite design & manufacturing HUB) platform.

SwiftComp is a general-purpose multiscale modelling code that enables users to perform efficient and accurate modelling of composites and other advanced materials. It can be used either independently as a tool for virtual testing of composites or as a plugin to power conventional finite element analysis (FEA) codes with high-fidelity multiscale modelling for composites. SwiftComp directly and seamlessly links detailed microstructure and structural behavior for composite structures including beams, plates/shells, and 3D structures. Broad applications include high strain composites in deployable space structures, PCBs, high-end fishing rods, woven, honeycomb sandwich structures, and many more.

“We are excited by the work being done by Beijing Institute of Technology (BIT) on these innovative materials and pleased they have selected SwiftComp as part of their composites modelling workflow,” said Allan Wood, President & CEO of AnalySwift. “In addition to several unique modelling capabilities, SwiftComp helps engineers consider more design options and arrive at the best solution more quickly.”

“BIT’s overall research program in this area is to identify the constitutive parameters, relationships, and damage evolution of the polymer-based or ceramic-based composites using some new techniques given by the experimental mechanics,” said Dr. Liu Liu, Associate Professor in the School of Aerospace Engineering at Beijing Institute of Technology. “SwiftComp is a powerful tool to help us efficiently understand the mechanism observed from the experiments and a user-friendly software for engineers and researchers in the composite mechanics-related areas. Furthermore, some new functions such as the polymer-matrix dominated nonlinear mechanical response and the homogenisation and dehomogenisation for thick plates are expected to be included in the next released package.”

Real-world applications for the research being done at BIT include fibre-reinforced epoxy resin composites, 2D plain-woven fibre-reinforced ceramic-based composites, and sandwich structures used as part of a thermal protection system.

“SwiftComp saves hours in computing time and resources with accuracy comparable to modelling all the microstructural details using 3D FEA,” said Dr. Wenbin Yu, CTO of AnalySwift. “It quickly calculates the complete set of effective properties needed for use in macroscopic structural analysis. SwiftComp can also predict accurate local stresses and strains in the microstructure for the purpose of predicting strengths, as well as thermal expansion of composites. It also has initial failure analysis capabilities, including predicting pointwise failure strengths distributions, failure envelopes, and effective failure strength for the composite. The program interfaces with ANSYS, ABAQUS, NASTRAN, and TexGen.”

In addition to SwiftComp, the VABS program is also available to universities through the Academic Partner Program. 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 powerful tool for modelling composite helicopter and wind turbine rotor blades, as well as other slender composite structures, such as propellers, landing gear, and high-aspect ratio wings.





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