17933059. SYSTEM AND METHOD FOR GENERATING A PANEL INFILL GEOMETRY OF A SANDWICH PANEL simplified abstract (The Boeing Company)

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SYSTEM AND METHOD FOR GENERATING A PANEL INFILL GEOMETRY OF A SANDWICH PANEL

Organization Name

The Boeing Company

Inventor(s)

Michael C. Elford of Springfield (AU)

SYSTEM AND METHOD FOR GENERATING A PANEL INFILL GEOMETRY OF A SANDWICH PANEL - A simplified explanation of the abstract

This abstract first appeared for US patent application 17933059 titled 'SYSTEM AND METHOD FOR GENERATING A PANEL INFILL GEOMETRY OF A SANDWICH PANEL

Simplified Explanation

The method described in the abstract involves generating a panel infill geometry for a sandwich panel using a driver mesh and a reference unit cell mesh. The reference unit cell mesh is mapped onto hexahedral elements associated with the quadrilateral elements of the driver mesh.

  • Driver mesh represents panel mid-surface
  • Reference unit cell mesh fits within a cube
  • Unit infill mesh connects unit face sheet meshes
  • Mapping reference unit cell meshes onto hexahedral elements
  • Basis functions defined on quadrilateral elements for mapping
  • Adjusting size and shape of reference unit cell meshes to conform to hexahedral elements

Potential Applications

The technology can be applied in industries such as aerospace, automotive, construction, and marine for designing lightweight and structurally efficient sandwich panels.

Problems Solved

1. Efficient generation of panel infill geometry for sandwich panels 2. Ensuring structural integrity and strength of sandwich panels

Benefits

1. Lightweight design 2. Improved structural efficiency 3. Cost-effective manufacturing process

Potential Commercial Applications

Optimizing sandwich panel design for various industries such as aerospace, automotive, construction, and marine.

Possible Prior Art

Prior art may include methods for generating infill geometries for sandwich panels using different meshing techniques and algorithms.

Unanswered Questions

How does this method compare to traditional methods of generating panel infill geometries for sandwich panels?

This method offers a more efficient and accurate way of generating panel infill geometries compared to traditional methods. It ensures better structural integrity and lightweight design of sandwich panels.

What are the limitations of this method in terms of scalability and complexity of panel designs?

This method may face limitations in handling extremely complex panel designs and may require further optimization for scalability in large-scale applications.


Original Abstract Submitted

A method of generating a panel infill geometry of a sandwich panel, includes providing a driver mesh representing a panel mid-surface of a sandwich panel. The driver mesh is comprised of a plurality of quadrilateral elements. The method further includes providing a reference unit cell mesh configured to fit exactly within a cube. The reference unit cell mesh is comprised of a unit infill mesh interconnecting a pair of unit face sheet meshes. The method additionally includes mapping a plurality of the reference unit cell meshes respectively onto a plurality of hexahedral elements respectively associated with the plurality of quadrilateral elements, through the use of basis functions defined on each of the plurality of quadrilateral elements in a manner causing adjustment of the size and shape of the plurality of reference unit cell meshes to conform respectively to the plurality of hexahedral elements.