Nothing Special   »   [go: up one dir, main page]

Sun et al., 2019 - Google Patents

Surface mesh deformation in cad-based shape optimization

Sun et al., 2019

Document ID
1203691014785672238
Author
Sun L
Robinson T
Armstrong C
Marques S
Yao W
Publication year
Publication venue
AIAA Scitech 2019 Forum

External Links

Snippet

This paper describes an approach to deform the surface mesh of a CAD model in response to a change in the shape of the CAD model. It is an advance over existing techniques because it allows the boundary topology of the model to change. To achieve the …
Continue reading at arc.aiaa.org (other versions)

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5009Computer-aided design using simulation
    • G06F17/5018Computer-aided design using simulation using finite difference methods or finite element methods
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5086Mechanical design, e.g. parametric or variational design
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30286Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30587Details of specialised database models
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00Indexing scheme relating to computer aided design [CAD]
    • G06F2217/46Fuselage
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/30Polynomial surface description
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/20Finite element generation, e.g. wire-frame surface description, tesselation
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/05Geographic models
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00Indexing scheme relating to computer aided design [CAD]
    • G06F2217/02Component-based CAD
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00Manipulating 3D models or images for computer graphics

Similar Documents

Publication Publication Date Title
Wassermann et al. Integrating CAD and numerical analysis:‘Dirty geometry’handling using the Finite Cell Method
KR20150051908A (en) Updating a cad model to reflect global or local shape changes
He et al. Hierarchical topometric representation of 3D robotic maps
Sun et al. Surface mesh deformation in cad-based shape optimization
Liu et al. Handling extraordinary nodes with weighted T-spline basis functions
WO2017046875A1 (en) Space information generating device, space information generating method, and program
CN107567641B (en) System and method for identifying replicas
US20120191423A1 (en) Method for local refinement of geometric or physical representation
Sun et al. Automated mesh deformation for computer-aided design models that exhibit boundary topology changes
Shen et al. A framework from point clouds to workpieces
Brock et al. Adjoint-based design optimization using CAD parameterization through CAPRI
Im et al. The generation of 3D trimmed elements for NURBS-based isogeometric analysis
EP4092557A1 (en) Parameterization of digital irregular freeform geometries
Wang et al. Data representation of machine models
Mura Mesh Sensitivity Investigation in the Discrete Adjoint Framework
Chen et al. A real-time, interactive method for fast modification of large-scale CAE mesh models
Vukašinović et al. Introduction to freeform surface modelling
Agarwal et al. Aerodynamic shape optimization using feature based CAD systems and adjoint methods
CN113449363B (en) Numerical simulation-oriented large-scale city model computable processing method
Zagitov et al. Automatic Block-Structured Grid Generation in Turbo Machine Blade Passages by TurboR&D. Mesher Software
Harris et al. Using the medial axis to represent complex flow structures for flow feature-aligned mesh generation
Hiemstra Enabling higher order isogeometric analysis for applications in structural mechanics
Steuben et al. Graph analysis of non-uniform rational B-spline-based metamodels
Dannenhoffer The creation of a static BRep model given a cloud of points
Agarwal et al. Using parametric effectiveness for efficient cad-based automotive design driven by adjoint sensitivity maps