Systems, methods and computer program products for constructing complex geometries using layered and linked hexahedral element meshes
a technology of layered and linked hexahedral elements and geometries, applied in the field offinite analysis shape modeling, can solve the problems of difficult to accurately represent, limited approximation of irregular spaces, and models lacking the precision to accurately model caverns for some types of analysis, etc., to achieve simplified approximation, efficient and accurate calculation, the effect of improving the accuracy
Inactive Publication Date: 2020-09-17
NAT TECH & ENG SOLUTIONS OF SANDIA LLC
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Benefits of technology
The present invention is about creating FE meshes that represent different shapes, such as cylinders, spheres, and cubes. The system uses techniques to reduce the number of elements and save computer time while maintaining accuracy. It can handle both simple and complex shapes and can even create irregular shapes like geological caverns or manufactured parts. The method ensures that the original measured geometrical data is accurately transferred to the computational mesh and constructs elements with the required characteristics for efficient and stable calculations. Overall, the invention provides techniques to create more accurate meshes representing both artificially and naturally formed geometries.
Problems solved by technology
It is difficult to accurately represent these irregular geometries or spaces by a meshed mass in these computational models, and so the representation of these irregular spaces has been limited to approximations in the models.
However, these prior models lack the precision to accurately model the caverns for some types of analysis.
Most of the caverns were solution mined by the U.S. Department of Energy (DOE) resulting in irregular cavern geometry, spacing, and depth.
Method used
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[0030]The present disclosure will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art.
[0031]The present disclosure is directed to systems, methods and computer program products that include a 3D FE mesh (which may be referred to simply as “mesh” herein) representations or models of a complex geometries. The systems, methods and computer program products include the creation of a computational mesh that approximates geometries of a space, shape or body. The geometry may be complex or irregular. The geometries may be initially mapped by tools such as, but not limited to X-ray, laser scanni...
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Systems, methods and computer program products for creating 3D representations of bodies are disclosed. The systems, methods and computer program products include the construction of FE meshes representing complex geometries. The complex geometries may be artificially or naturally formed or designed geometries. The techniques reduce the number of elements as much as possible to save on computer run time while maintaining computational accuracy.
Description
RELATED APPLICATIONS[0001]This application is a divisional of U.S. application Ser. No. 15 / 435,904, filed Feb. 17, 2017, entitled “SYSTEMS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR CONSTRUCTING COMPLEX GEOMETRIES USING LAYERED AND LINKED HEXAHEDRAL ELEMENT MESHES,” which claims the benefit of U.S. Provisional Application No. 62 / 296,458 filed on Feb. 17, 2016, entitled “Systems, Methods and Computer Program Products for Constructing Complex Geometries,” the entireties of which are herein incorporated by reference.STATEMENT OF GOVERNMENT INTEREST[0002]The United States Government has rights in this invention pursuant to Contract No. DE-AC04-94AL85000 between the United States Department of Energy and Sandia Corporation, for the operation of the Sandia National Laboratories and under Contract No. DE-NA0003525 awarded by the United States Department of Energy / National Nuclear Security Administration. The Government has certain rights in this invention.FIELD[0003]The present disclosure ...
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IPC IPC(8): G06F30/23B33Y10/00B33Y30/00B33Y50/00
CPCG06F30/23B33Y30/00B33Y50/00B33Y10/00G06F2113/10B29C64/386
Inventor PARK, BYOUNG YOONROBERTS, BARRY L.SOBOLIK, STEVEN R.LEE, MOO Y.
Owner NAT TECH & ENG SOLUTIONS OF SANDIA LLC