CoreTech System Receives US Patent for Three-parameter Fiber Orientation Model

November 12, 2013 - CoreTech System Co., Ltd. (Moldex3D), the leader in 3D CAE simulation solutions for plastic injection molding industry, today announced that the United States Patent and Trademark Office recently granted a new patent for the company’s innovative technology, U.S. Patent No. 8,571,828, that brings high-accuracy prediction to the orientation distribution of injection-molded fiber-reinforced thermoplastics and can be applied to a wide range of injection molding needs.

This new patent, “Method and Computer Readable Media for Determining Orientation of Fibers in a Fluid”, describes a new fiber orientation model, Anisotropic Rotary Diffusion model combined with Retarding Principal Rate (iARD-RPR), that can accurately detect and describe the changes well in fiber orientation, both short and long fibers included. The novel fiber model provides significant enhancements to previous models and enables superior prediction accuracy to largely eliminate shrinkage and warpage problems induced by the effect of anisotropy of fiber orientation.

“We’re pleased that the USPTO has recognized our focus on producing continuous innovation in this field,” said Dr. Venny Yang, President of CoreTech System. “As the leading provider of plastic injection molding simulation, it’s our mission to continuously offer the most reliable and accurate simulation solutions to empower our clients to solve complex design challenges.”

The inventor for this patent is Dr. Ivor Huan-Chang Tseng, program manager in the R&D Division of CoreTech System (Moldex3D), who recently received 2013  SPE ACCE Best Paper Award for his publication “Three Dimensional Predictions of Fiber Orientation for Injection Molding of Long Fiber Reinforced Thermoplastics”, and his paper “ Phenomenological Improvements to Predictive Models of Fiber Orientation in Concentrated Suspensions” has also been accepted by  Journal of Rheology; both papers explicitly discuss the application and the study of this new technology.

About Moldex3D
CoreTech System Co., Ltd. (Moldex3D) has been providing the professional CAE analysis solution “Moldex” series for the plastic injection molding industry since 1995, and the current product “Moldex3D” is marketed worldwide. Committed to provide the advanced technologies and solutions for industrial demands, CoreTech System has extended its worldwide sales and service network to provide local, immediate, and professional service. Nowadays, CoreTech System presents the innovation technology, which helps customers troubleshoot from product design to development, optimize design patterns, shorten time-to-market, and maximize product return on investment (ROI). More information can be found at

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