System and method for internal structural defect analysis using three-dimensional sensor data
A method for structural analysis of an object includes generating scanned surface data of an object using a three-dimensional sensor and aligning a physical object model corresponding to the scanned surface data with a predetermined three-dimensional model of the object. The method also includes identifying an interference between a location of the aligned physical object model, optionally including any elastic deformation with an internal component within the three-dimensional model and generating an indicator of expected damage to the internal component.
1. A method for structural analysis comprising:
generating with a three-dimensional sensor surface scan data of an exterior surface of an object;
generating with a processor a physical object model of the exterior surface of the object with reference to the surface scan data of the object;
aligning with the processor a first portion of the generated physical object model that corresponds to a first feature on the exterior surface of the object with the first feature on a surface of a predetermined three-dimensional model of the object in a three-dimensional virtual environment;
identifying with the processor an interference between a second portion of the physical object model that corresponds to a damaged region of the exterior surface of the object that deviates from the surface of the predetermined three-dimensional model and a volume occupied by an internal component in the predetermined three-dimensional model, the internal component not being present in the sensor surface scan data of the exterior surface of the object; and
generating with an output device an indicator of expected damage to an internal component within the object that corresponds to the internal component in the predetermined three-dimensional model in response to the identification of the interference.
2. The method of claim 1 , the generation of the surface scan data and physical object model further comprising:
generating with the three-dimensional sensor a point cloud including a plurality of three-dimensional coordinates corresponding to a plurality of locations on the exterior surface of the object; and
generating with the processor the physical object model including a geometric mesh corresponding to the exterior surface of the object with reference to the point cloud.
3. The method of claim 2 , the identification of the interference further comprising:
identifying with the processor a location of a vertex in the geometric mesh in the second portion of the physical object model;
identifying with the processor a volume within the three-dimensional virtual environment for the internal component with reference to another geometric mesh corresponding to the internal component; and
identifying with the processor the interference between the physical object model and the internal component in response to the location of the vertex in the physical object model being within the volume of the internal component.
4. The method of claim 2 , the identification of the interference further comprising:
identifying with the processor a location of a vertex in the geometric mesh in the second portion of the physical object model;
identifying with the processor a surface of the internal component in the three-dimensional virtual environment with reference to another geometric mesh corresponding to the internal component; and
identifying with the processor the interference between the physical object model and the internal component in response to the location of the vertex in the physical object model being on or within a predetermined distance of the surface of the internal component.
5. The method of claim 1 , the generation of the indicator further comprising:
generating with the output device a graphical depiction of the object and the internal component in the three-dimensional virtual environment.
6. The method of claim 1 , the generation of the surface scan data further comprising:
generating with the three-dimensional sensor the surface scan data of an exterior surface of a motor vehicle.
7. A structural analysis system comprising:
a three-dimensional sensor configured to generate surface scan data of an exterior surface of an object;
an output device; and
a processor operatively connected to the three-dimensional sensor, the output device and a memory, the processor being configured to:
generate the sensor surface scan data of the object with the three-dimensional sensor;
generate a physical object model of the exterior surface of the object with reference to the surface scan data of the object;
align a first portion of the physical object model that corresponds to a first feature on the exterior surface of the object with the first feature on a surface of a predetermined three-dimensional model of the object stored in the memory in a three-dimensional virtual environment;
identify an interference between a second portion of the physical object model that corresponds to a damaged region of the exterior surface of the object that deviates from the surface of the predetermined three-dimensional model and a volume occupied by an internal component in the predetermined three-dimensional model, the internal component not being present in the sensor surface scan data of the exterior surface of the object; and
generate an indicator of expected damage to the internal component within the object that corresponds to the internal component in the predetermined three-dimensional model in response to the identification of the interference with the output device.
8. The system of claim 7 , the processor being further configured to:
generate with the three-dimensional sensor a point cloud including a plurality of three-dimensional coordinates corresponding to a plurality of locations on the exterior surface of the object; and
generate the physical object model including a geometric mesh corresponding to the exterior surface of the object with reference to the point cloud.
9. The system of claim 8 , the processor being further configured to:
identify a location of a vertex in the geometric mesh in the second portion of the physical object model;
identify a volume within the three-dimensional virtual environment for the internal component with reference to another geometric mesh stored in the memory corresponding to the internal component; and
identify the interference between the physical object model and the internal component in response to the location of the vertex in the physical object model being within the volume of the internal component.
10. The system of claim 8 , the processor being further configured to:
identify with the processor a location of a vertex in the geometric mesh in the second portion of the physical object model;
identify with the processor a surface of the internal component in the three-dimensional virtual environment with reference to another geometric mesh corresponding to the internal component; and
identify with the processor the interference between the physical object model and the internal component in response to the location of the vertex in the physical object model being on or within a predetermined distance of the surface of the internal component.
11. The system of claim 7 , the output device being further configured to:
generate the indicator as a graphical depiction of the object and the internal component in the three-dimensional virtual environment with the output device.
12. The system of claim 7 , the processor being further configured to: generate the surface scan data of an exterior surface of a motor vehicle with the three-dimensional sensor.