1. A box structure for carrying load, the box structure comprising:
upper and lower composite integrated sandwich panels;
the integrated sandwich panels having facesheets sandwiching one or more core portions and adjacent dense packs oriented in an axial direction; and,
a plurality of spars, each spar comprising a web and web attachments and having a spar length in the axial direction, the plurality of spars being connected to the integrated sandwich panels with the web attachments located at the dense packs;
wherein the facesheets are configured to carry primarily torsion and pressure loads in shear and no significant axial loads, and wherein the dense packs are configured to carry all significant box bending in axial tension and compression loads.
2. The structure of claim 1 wherein the facesheets each have a facesheet composite ply layup substantially comprised of bias oriented plies, the facesheet composite ply layup designed to enable the facesheets to provide primarily continuous torsion, shear, and pressure load paths.
3. The structure of claim 1 wherein the facesheets each have a facesheet composite ply layup comprising 70%-80% bias oriented plies with fibers oriented at plus or minus forty-five degrees (\xb145\xb0) or about plus or minus forty-five degrees (\xb145\xb0); 10%-20% plies with fibers oriented at ninety degrees (90\xb0) or about ninety degrees (90\xb0); and 0%-20% unidirectional plies with unidirectional fibers oriented at zero degrees (0\xb0) or about zero degrees (0\xb0).
4. The structure of claim 1 wherein the dense packs each have a dense pack composite ply layup comprising a substantially orthogonal, unidirectional composite tape laminate comprised of unidirectional plies oriented at zero degrees (0\xb0) or about zero degrees (0\xb0), the dense pack composite ply layup designed to enable the dense packs to provide all significant continuous bending and axial load paths.
5. The structure of claim 1 wherein the dense packs each have a dense pack composite ply layup comprising 70%-100% substantially orthogonal unidirectional plies with unidirectional fibers oriented at zero degrees (0\xb0) or about zero degrees (0\xb0); 0%-25% bias oriented plies with fibers oriented at an orientation in a range of plus or minus fifty degrees (\xb150\xb0) to plus or minus seventy-five degrees (\xb175\xb0); and 0%-10% plies with fibers oriented at ninety degrees (90\xb0).
6. The structure of claim 1 further comprising a plurality of stabilizing ribs, wherein the plurality of stabilizing ribs and the plurality of spars are bonded to and disposed between the integrated sandwich panels to form a bonded box structure.
7. The structure of claim 6 wherein each integrated sandwich panel is stabilized with a sandwich construction allowing for a reduction in number of the plurality of stabilizing ribs disposed between the integrated sandwich panels.
8. The structure of claim 6 further comprising one or more damage arrestment elements comprising one or more mechanical fasteners, wherein the one or more damage arrestment elements are configured for fastening the plurality of stabilizing ribs to each integrated sandwich panel, are configured for fastening the plurality of spars to each integrated sandwich panel, or are configured for fastening the plurality of spars and the plurality of stabilizing ribs to each integrated sandwich panel.
9. The structure of claim 1 wherein the box structure has a unitary configuration and comprises one of a transport wing box including an aircraft wing box; a stabilizer box including a horizontal stabilizer, a vertical stabilizer, a tailplane, and a canard; a rotorcraft rotor blade; a helicopter blade; an air vehicle cantilevered structure; an air vehicle torque box structure; a windmill structure including a windmill blade; an automobile structure including an automobile spoiler; and a watercraft structure including a boat rotor blade.
10. The structure of claim 1 wherein the one or more core portions comprises a honeycomb core, a foam core, a foam core with fiber reinforcement, a closed cell foam, or a truss structure.
11. The structure of claim 1 wherein each integrated sandwich panel has an increased panel stiffness ratio due to hard, axially stiff dense packs being fully stabilized by the integrated sandwich panel and the spar webs.
12. The structure of claim 1 wherein each of the plurality of spars has a spar sandwich construction comprising a core portion sandwiched between at least two spar facesheets, each spar facesheet having a spar facesheet composite ply layup comprised of a substantially quasi-isotropic composite tape laminate.
13. An air vehicle having a bonded box structure for carrying load, the air vehicle comprising:
an airfoil frame having a first tip and a second tip; and,
a bonded box structure attached to the airfoil frame, the bonded box structure comprising:
upper and lower composite integrated sandwich panels continuous from the first tip to the second tip of the airfoil frame, the integrated sandwich panels having facesheets sandwiching one or more core portions and adjacent dense packs oriented in an axial direction; and,
a plurality of spars, each spar comprising a web and web attachments and having a spar length in the axial direction, the plurality of spars being connected to the integrated sandwich panels with the web attachments located at the dense packs,
wherein the facesheets are configured to carry primarily torsion and pressure loads in shear and no significant axial loads, and wherein the dense packs are configured to carry all significant box bending in axial tension and compression loads.
14. The air vehicle of claim 13 further comprising a plurality of stabilizing ribs bonded to and disposed between the integrated sandwich panels from the first tip to the second tip of the airfoil frame.
15. The air vehicle of claim 13 wherein the facesheets each have a facesheet composite ply layup substantially comprised of bias oriented plies, the facesheet composite ply layup designed to enable the facesheets to provide primarily continuous torsion, shear, and pressure load paths.
16. The air vehicle of claim 13 wherein the dense packs each have a dense pack composite ply layup comprising a substantially orthogonal, unidirectional composite tape laminate comprised of unidirectional plies oriented at zero degrees (0\xb0) or about zero degrees (0\xb0), the dense pack composite ply layup designed to enable the dense packs to provide all significant continuous bending and axial load paths.
17. The air vehicle of claim 13 wherein each integrated sandwich panel has an increased panel stiffness ratio due to hard, axially stiff dense packs being fully stabilized by the integrated sandwich panel and the spar webs.
18. A method of making a bonded box structure for an air vehicle, the method comprising the steps of:
forming a pair of integrated sandwich panels, each panel formed by:
fabricating a composite skin by sandwiching a core portion between at least two composite facesheets, each composite facesheet formed by laying up a facesheet composite ply layup substantially comprised of bias oriented plies with, and designing the facesheet composite ply layup to enable the composite skin to provide continuous torsion, shear, and pressure load paths; and,
joining a plurality of dense packs to the composite skin, each dense pack formed by laying up a dense pack composite ply layup comprised of a substantially orthogonal, unidirectional composite tape laminate, and designing the dense pack composite ply layup to enable the dense packs to provide continuous bending and axial load paths; and,
bonding a plurality of spars and stabilizing ribs between the pair of integrated sandwich panels to form a bonded box structure for an air vehicle, the bonded box structure having a unitary configuration.
19. The method of claim 18 wherein forming each composite facesheet further comprises laying up the facesheet composite ply layup comprising 70%-80% bias oriented plies with fibers oriented at plus or minus forty-five degrees (\xb145\xb0) or about plus or minus forty-five degrees (\xb145\xb0); 10%-20% plies with fibers oriented at ninety degrees (90\xb0) or about ninety degrees (90\xb0); and 0%-20% unidirectional plies with unidirectional fibers oriented at zero degrees (0\xb0) or about zero degrees (0\xb0).
20. The method of claim 18 wherein forming each dense pack further comprises laying up the dense pack composite ply layup comprising 70%-100% substantially orthogonal unidirectional plies with unidirectional fibers oriented at zero degrees (0\xb0) or about zero degrees (0\xb0); 0%-25% bias oriented plies with fibers oriented at an orientation in a range of plus or minus fifty degrees (\xb150\xb0) to plus or minus seventy-five degrees (\xb175\xb0); and 0%-10% plies with fibers oriented at ninety degrees (90\xb0).
21. The method of claim 18 wherein bonding the plurality of spars and stabilizing ribs between the pair of integrated sandwich panels further comprises secondarily bonding the plurality of spars and stabilizing ribs to the pair of integrated sandwich panels with a bonding element comprising an adhesive material.
22. The method of claim 18 further comprising fabricating the plurality of spars in a spar sandwich construction by sandwiching a core portion between at least two spar facesheets, each spar facesheet formed by laying up a spar facesheet composite ply layup comprised of a substantially quasi-isotropic composite tape laminate.
23. The method of claim 18 further comprising fastening the plurality of spars and stabilizing ribs to each integrated sandwich panel with one or more damage arrestment elements comprising one or more mechanical fasteners.
24. The method of claim 18 further comprising reducing a number of fasteners on the bonded box structure by positioning the fasteners outside of a box structure boundary, thus resulting in reduced lightning strike risk to the bonded box structure.
25. The method of claim 18 wherein bonding the plurality of spars and stabilizing ribs between the pair of integrated sandwich panels further comprises forming one or more spar closeout joints to bond the plurality of spars to the dense packs of each integrated sandwich skin panel.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method comprising:
obtaining an identifier for a network device;
locating a directory corresponding to the identifier;
searching the directory for a file containing one or more descriptions of one or more specific attributes of the device;
accessing the file to determine the one or more specific attributes of the device;
generating a specific image of the device based on the one or more specific attributes of the device;
displaying the specific image of the device; and locating an additional directory corresponding to a portion of the identifier for the device.
2. The method of claim 1, further comprising searching the additional directory for an additional file containing one or more descriptions of one or more shared attributes.
3. The method of claim 2, wherein generating a specific image of the device comprises generating a specific image of the device based on the one or more specific attributes and the one or more shared attributes.
4. The method of claim 1, further comprising locating an alternative directory corresponding to a portion of the identifier.
5. The method of claim 4, further comprising searching the alternative directory for an alternative file containing one or more descriptions of one or more attributes for an alternative device.
6. The method of claim 5, wherein the descriptions of the one or more attributes of the alternative device comprise one or more shared attributes of the alternative device.
7. The method of claim 6, further comprising generating an alternative image based on the one or more descriptions of the one or more attributes of the alternative device.
8. The method of claim 7, further comprising displaying the alternative image.
9. The method of claim 1, further comprising locating a default directory.
10. The method of claim 9, further comprising searching the default directory for a default file containing one or more descriptions of one or more default attributes of the device.
11. The method of claim 10, further comprising generating a default image based on the one or more default attributes.
12. The method of claim 11, further comprising displaying the default image.
13. The method of claim 1, wherein the identifier comprises, at least in part, an object identifier (OID) as issued by the International Telecommunications Union.
14. The method of claim 1, wherein the specific image comprises an abstract, diagnostic view of the device.
15. The method of claim 1, further comprising:
a network server receiving from agents running on network devices data regarding the operating status of the network devices;
the network server packaging the data regarding the operating status of the network devices; and
the network server downloading the packaged information to a client where a user can access the information regarding the operating status of the network devices.
16. An article of manufacture comprising:
a machine accessible medium including content that when accessed by a machine causes the machine to perform operations comprising;
obtaining an identifier for a network device;
locating a directory corresponding to the identifier;
searching the directory for a file containing one or more descriptions of one or more specific attributes of the device;
accessing the file to determine the one or more specific attributes of the device;
generating a specific image of the device based on the one or more specific attributes of the device;
displaying the specific image of the device; and
locating an alternative directory corresponding to a portion of the identifier.
17. The article of manufacture of claim 16, wherein the machine-accessible medium further includes content that causes the machine to perform operations comprising searching the alternative directory for an alternative file containing one or more descriptions of one or more attributes for an alternative device.
18. The article of manufacture of claim 17, wherein the machine-accessible medium further includes content that causes the machine to perform operations comprising generating an alternative image based on the one or more descriptions of the one or more attributes of the alternative device.
19. The article of manufacture of claim 18, wherein the machine-accessible medium further includes content that causes the machine to perform operations comprising displaying the alternative image.
20. The article of manufacture of claim 16, wherein the machine-accessible medium further includes content that causes the machine to perform operations comprising locating a default directory.
21. The article of manufacture of claim 20, wherein the machine-accessible medium further includes content that causes the machine to perform operations comprising searching the default directory for a default file containing one or more descriptions of one or more default attributes of the device.
22. The article of manufacture of claim 21, wherein the machine-accessible medium further includes content that causes the machine to perform operations comprising generating a default image based on the one or more default attributes.
23. The article of manufacture of claim 22, wherein the machine-accessible medium further includes content that causes the machine to perform operations comprising displaying the default image.
24. The article of manufacture of claim 16, wherein the name of the corresponding directory comprises, at least in part, the identifier.
25. The article of manufacture of claim 16, wherein the identifier comprises a globally unique identifier.
26. The article of manufacture of claim 25, wherein the globally unique identifier comprises, at least in part, an object identifier (OID) as issued by the International Telecommunications Union.
27. The article of manufacture of claim 16, wherein the specific image comprises an abstract, diagnostic view of the device.
28. The article of manufacture of claim 16, wherein the one or more specific attributes of the device is selected from a group comprising:
the number of device ports;
the location of device ports;
the shape of device ports;
the type and shape of the device power supply; and
any other physical or operational characteristic or parameter of the device.