by Cetim
Overview
QSD® is an easy-to-use design optimization workflow integrated within Altair HyperWorks. With QSD® you can tailor your thicknesses and orientation of your composite lay-up to reach your cost/performance target, providing faster and better prospective design, improved tailor composite preform optimization, and design to cost with integrated process know-how.
QSD® Brochure
An overview brochure on how QSD® can tailor your thicknesses and orientation of your composite lay-up.
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Altair Partner Alliance Overview
Learn more about the Altair Partner Alliance (APA) in this program flyer.
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QSD® (Quilted stratum design) offers an intuitive workflow in the Altair HyperMesh environment that leads the designers to a smart composite design with adapted fiber orientation and reduced material scraps, thanks to draping analysis. The process know-how integrated in the optimization allows for considering the minimization of part cost as an objective for the final choice of material and lay-up. QSD® aims at designing efficient structural parts manufactured from hot-pressed, multi-thickness preforms of thermoplastic plies. Nonetheless, the QSD® method fits with all process creating "tailored preform" (tape placement, QSP, hand lay-up.)
QSD® has been developed by CETIM and Altair, from research results of ONERA, which has created a multi-step optimization method that reduces calculation time but maximizes the field of solution. This “stiffness matching” method is the ideal target for mechanical performance, then the lay-up to achieve it, according to the possibility of your process.
With QSD®, the designer knows the ideal thickness and fiber orientation for its composite shell. Then QSD® will cluster zone to propose ply shape and definition that match with the ideal target. The designer may evaluate various laying strategies and compare their cost and performance.
About Cetim
Going for the future: As the leading French player in the fields of mechanical engineering innovation and R&D, Cetim has built up a wide network of partners. Its engineers and technicians operate in more than 30 countries each year. R&D function is carried out either within specific sectors or cutting across sector boundaries, and within either a national or an international context. It embraces a range of complementary aspects, including prospective studies in conjunction with international scientific communities, R&D concerning all areas of mechanical engineering, industry-specific studies and projects, and the large-scale federative technological projects. Cetim provides a comprehensive array of services to the mechanical engineering industry from consulting to testing and from engineering to training in new skills. Cetim is a member of the Carnot institutes network and a founding member of the French Alliance for the Industry of the Future.
QSD® is a powerful software tool dedicated to composite and optimization to achieve the highest quality design workflow with reduced computation time and manufacture cycle time, while also providing a cost-benefit reduction.
– Denis Espinassou, QSD® project leader
Cetim
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Based on an innovative methodology for composite materials optimization: “Stiffness matching” developed by ONERA
• Reduced CPU time
• Easy identification of the maximum performance for your application
• Integration of the forming manufacturing process by means of Drape Estimator®
• An algorithm which identifies the optimum lay up (thickness/orientation) and integrates the design/manufacturing compromise
Industry Applications
QSD® is used many industries including:
- Aerospace
- Architecture
- Automotive
- Biomedical
- Consumer Goods
- Electronics
- Energy
- Heavy Industry & Off-Highway
- Marine
- Rail
Product Interfaces
QSD® has interfaces with Altair's HyperMesh and OptiStruct.
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