Firstly, the error of fit must be defined for nonlinear least-square fitting of generalized geometry model. Then the nonlinear optimization algorithm can be used to obtain the optimum solution.
Rigorous imaging geometry model of spaceborne linear array CCD sensors
According to geometry model characteristic of shaft and cylinder of steam turbine, a finite element method model of shaft and cylinder was set up.
Multi-source ring geometry modeling for aluminizing of LAMOST sub-mirror
Then the solid geometry model is entered into ANSYS to do the pre-treatment of FEA. It is disassembled by ten-noded tetrahedron elements.
On this basis of geometry model and assembly model, this model integrates design parameters of the parts, constraint relationship of the parameters, force situation, mechanics characteristics.
The fractional geometry model of porosity and permeability was developed based on fractional Kriging interpolation principles.
Vehicle's geometry model is formed, of which the shell structure is the main skin and steel structure made by welding.
Realistic feathers based on detailed geometry modeling and bidirectional texture function
Data segmentation is a key process in reverse engineering geometry modeling.