Materialise has been granted a patent for a system and method that automatically reduces rigid body motion in a digital simulated model of an object during additive manufacturing. The method involves modifying a finite element model to include stability elements, ensuring numerical stability during the build simulation process. GlobalData’s report on Materialise gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Materialise, Prosthetic cardiac valves was a key innovation area identified from patents. Materialise's grant share as of January 2024 was 41%. Grant share is based on the ratio of number of grants to total number of patents.

Reducing rigid body motion in additive manufacturing simulations

Source: United States Patent and Trademark Office (USPTO). Credit: Materialise NV

A recently granted patent (Publication Number: US11847388B2) discloses a computer-implemented method aimed at modifying a finite element model of a 3D object to minimize rigid body motion experienced during build simulation for additive manufacturing. The method involves obtaining the finite element model, identifying bottom nodes, determining the number of associated elements, and introducing stability elements at specific nodes to enhance the model's stability during the build simulation process. By simulating the object's build using the modified model, a more accurate representation of the final product can be generated.

Furthermore, the patent includes details on how the method can be extended to modify the object based on the simulated model and proceed with building the revised object using additive manufacturing. The incorporation of stability elements, such as springs, at identified floating nodes plays a crucial role in reducing numerical instability during the simulation process. By addressing issues related to rigid body motion in the finite element model, the method aims to enhance the accuracy and efficiency of additive manufacturing processes. This innovation could potentially lead to improved outcomes in the production of 3D objects through additive manufacturing techniques, offering a more reliable and stable simulation environment for manufacturers and designers.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.