Abstract: A laminated metallic structure includes preformed metallic sheets of graduated three-dimensional sizes. The preformed metallic sheets have a three-dimensional shape and are nested together to form a preform. The preformed metallic sheets in the preform are bonded together to form a three-dimensional body, having a near-net three-dimensional shape.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for high-traffic density transportation pathways. An example system includes a convoy moving at a first speed, the convoy including a first and second powertrain vehicle, a first land vehicle disposed between the first powertrain vehicle and the second powertrain vehicle, the first land vehicle including a first transit carrier, and a second land vehicle coupled to the first land vehicle, the second land vehicle including a second transit carrier having a first movement system and first stacking couplers, and a transit pod coupled to the second transit carrier, the transit pod having second stacking couplers, the second stacking couplers coupled to the first stacking couplers, and a controller to, in response to a request for a third transit carrier traveling at a second speed to join the convoy, instruct the third transit carrier to join the convoy at the first speed.

Abstract: Non-destructive testing apparatuses, systems, and methods for assessing strain in structural components are disclosed. Structural components include induced predetermined regions having materials of varying density, including induced geometric patterns of differing densities within the structural component that can be a composite material structural component. The method includes projecting waves of energy, that can be beams of electromagnetic (EM) energy and/or waves of ultrasonic (UT) energy, into or through the structural component to evaluate the predetermined induced pattern region of varying density and determining existing strain within a structural component based on the detected energy response.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for high-traffic density air transportation. An example system includes a land vehicle having a first location and a transit carrier having a movement system, first stacking couplers, a first and second magnetic coupler, and a transit pod having second stacking couplers configured to couple to the first stacking couplers, a UAV having UAV couplers and a second location, and a controller to, in response to obtaining a request to direct the land vehicle to move from the first location to a third location, invoke the UAV to move to the third location, and in response to the land vehicle and the UAV arriving at the third location, invoke the UAV to couple to the transit pod to facilitate transport of the transit pod from the third location to a fourth location by coupling the UAV couplers to the second stacking couplers.

Abstract: A structural assembly includes a support structure and an elongate structure intersecting the support structure. The elongate structure has a length and a mass. The mass of the elongate structure varies along the length of the elongate structure. A localized mass of the elongate structure decreases toward the support structure and increases away from the support structure.

Abstract: Systems and methods for assessing strain in structural components are disclosed. Structural components may have geometric patterns of diffraction cavities within the structural component, with the diffraction cavities in the geometric pattern each having a cavity width and being spaced from each other by a cavity spacing distance. The method may include projecting beams of electromagnetic (EM) energy through the structural component to the geometric pattern of diffraction cavities to create diffracted beams of EM energy that are reflected from or transmitted through the geometric pattern of diffraction cavities and have diffracted wavelengths indicating changes in the cavity spacing distances due to strain caused when the structural component is exposed to environmental conditions, detecting the diffracted wavelength of the diffracted beams, and correlating the diffracted wavelengths of the diffracted beams to the strain in the structural components.

Abstract: A laminated metallic structure includes preformed metallic sheets of graduated three-dimensional sizes. The preformed metallic sheets have a three-dimensional shape and are nested together to form a preform. The preformed metallic sheets in the preform are bonded together to form a three-dimensional body, having a near-net three-dimensional shape.

Abstract: A method of forming a laminated metallic structure including (1) nesting metallic preformed components to form a preform, each one of the components includes first and second side portions, wherein a portion of the second side portion is substantially perpendicular to a portion of the first side portion, and a third side portion, wherein at least a portion of the third side portion is substantially perpendicular to at least a portion of the first and second side portions, the third side portion is discontinuous with the first side portion, and adjacent edges of the first and third side portions are parallel, and the components are nested so that the adjacent edges of the first and third side portions are substantially perpendicular to the adjacent edges of the first and third side portions of another one of the components; and (2) bonding the components together.

Abstract: A method is provided for facilitating a vacuum bagging operation during fabrication of a composite laminate. The method comprises applying a vacuum bag over a composite part to fabricate the composite laminate from the composite part. The method also comprises drawing a vacuum in the vacuum bag, and monitoring one or more portions of the vacuum bag for strain within the vacuum bag when the vacuum is drawn. The method further comprises manipulating the vacuum bag to even out strain within the vacuum bag.

Abstract: Systems and methods for assessing strain in structural components are disclosed. Structural components may have geometric patterns of diffraction cavities within the structural component, with the diffraction cavities in the geometric pattern each having a cavity width and being spaced from each other by a cavity spacing distance. The method may include projecting beams of electromagnetic (EM) energy through the structural component to the geometric pattern of diffraction cavities to create diffracted beams of EM energy that are reflected from or transmitted through the geometric pattern of diffraction cavities and have diffracted wavelengths indicating changes in the cavity spacing distances due to strain caused when the structural component is exposed to environmental conditions, detecting the diffracted wavelength of the diffracted beams, and correlating the diffracted wavelengths of the diffracted beams to the strain in the structural components.

Abstract: Interlaminar features of a composite structure are laid up by placing and steering individual chopped fiber pre-preg segments onto a substrate.

Abstract: Systems and methods for assessing strain in structural components are disclosed. Structural components may have geometric patterns of grooves within the structural component, with the grooves in the geometric pattern each having a groove width. The method may include projecting beams of electromagnetic (EM) energy through the structural component to the geometric pattern of grooves to create diffracted beams of EM energy that are reflected from or transmitted through the geometric pattern of grooves and have diffracted wavelengths indicating changes in the groove widths due to strain caused when the structural component is exposed to environmental conditions, detecting the diffracted wavelength of the diffracted beams, and correlating the diffracted wavelengths of the diffracted beams to the strain in the structural components.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for high-traffic density personalized transportation. An example system includes a transit carrier having a first movement system, first stacking couplers, first and second magnetic couplers, and a first location, a transit pod having a second movement system, second stacking couplers, and a second location, the second stacking couplers configured to couple to the first stacking couplers, and a controller to in response to obtaining a request to direct the transit carrier to move from the first location to the second location, invoke the transit pod to couple to the transit carrier by directing the transit pod to move on top of the transit carrier using the second movement system, and when the transit carrier is coupled to the transit pod, invoke the transit carrier to move the transit pod to a third location using the first movement system.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for high-traffic density transportation pathways. An example system includes a convoy moving at a first speed, the convoy including a first and second powertrain vehicle, a first land vehicle disposed between the first powertrain vehicle and the second powertrain vehicle, the first land vehicle including a first transit carrier, and a second land vehicle coupled to the first land vehicle, the second land vehicle including a second transit carrier having a first movement system and first stacking couplers, and a transit pod coupled to the second transit carrier, the transit pod having second stacking couplers, the second stacking couplers coupled to the first stacking couplers, and a controller to, in response to a request for a third transit carrier traveling at a second speed to join the convoy, instruct the third transit carrier to join the convoy at the first speed.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for high-traffic density air transportation. An example system includes a land vehicle having a first location and a transit carrier having a movement system, first stacking couplers, a first and second magnetic coupler, and a transit pod having second stacking couplers configured to couple to the first stacking couplers, a UAV having UAV couplers and a second location, and a controller to, in response to obtaining a request to direct the land vehicle to move from the first location to a third location, invoke the UAV to move to the third location, and in response to the land vehicle and the UAV arriving at the third location, invoke the UAV to couple to the transit pod to facilitate transport of the transit pod from the third location to a fourth location by coupling the UAV couplers to the second stacking couplers.

Abstract: Graphene fibers made from a graphene film formed into an elongated fiber-like shape and composite materials made from the graphene fibers. The graphene film has amine groups formed on at least an outer surface of the graphene film and epoxide groups formed on at least one edge of the graphene film. The amine groups are formed in a functionalized area on the outer surface of the graphene film that is within about 10 microns from the at least one edge of the graphene film, or the functionalized area may extend the entire width of the graphene film. The graphene film may also have holes formed through the graphene film. The elongated fiber-like shapes may be the graphene film in a rolled spiral orientation or the graphene film in a twisted formation.

Abstract: Systems and methods for assessing strain in structural components are disclosed. Structural component may have geometric patterns of grooves, with the grooves in the geometric pattern each having a groove width. The method may include illuminating the geometric pattern of grooves with a first light at a first wavelength that corresponds to the groove width to create diffraction when the first light hits the geometric pattern of grooves and corresponding changes in the wavelength of the light reflected from the geometric pattern of grooves indicating changes in the groove widths due to strain caused when the structural component is exposed to environmental conditions, detecting the wavelength of the light reflected from the geometric pattern of grooves, and correlating the detected wavelength of the light reflected from the geometric pattern of grooves to the strain in the structural components.

Abstract: A method of forming a laminated metallic structure includes steps of: (1) providing a first preformed-metallic sheet having a three-dimensional shape of a first graduated three-dimensional size; (2) providing a second preformed-metallic sheet having the three-dimensional shape of a second graduated three-dimensional size; (3) nesting the second preformed-metallic sheet in the first preformed-metallic sheet; and (4) bonding the first preformed-metallic sheet and the second preformed-metallic sheet together.

Abstract: Systems and methods for assessing strain in structural components are disclosed. Structural components may have geometric patterns of grooves within the structural component, with the grooves in the geometric pattern each having a groove width. The method may include projecting beams of electromagnetic (EM) energy through the structural component to the geometric pattern of grooves to create diffracted beams of EM energy that are reflected from or transmitted through the geometric pattern of grooves and have diffracted wavelengths indicating changes in the groove widths due to strain caused when the structural component is exposed to environmental conditions, detecting the diffracted wavelength of the diffracted beams, and correlating the diffracted wavelengths of the diffracted beams to the strain in the structural components.

Abstract: Wing-to-fuselage joints and aircraft including the same. An aircraft includes a fuselage with an outer fuselage skin that at least partially defines an outer surface of the fuselage and a wing assembly operably coupled to the fuselage via a wing-to-fuselage joint. The wing assembly includes a left wing region with a lower left-wing-region skin and an upper left-wing-region skin, a right wing region with a lower right-wing-region skin and an upper right-wing-region skin, and a center wing region with a lower center-wing-region skin and an upper center-wing-region skin. The upper center-wing-region skin is coextensive with at least one of the upper left-wing-region skin and the upper right-wing-region skin.