Fig. 1. Flow chart of Laplace deformation

Fig. 2. Simplified models corresponding to different fixed ends. (a) Unilateral constraints; (b) adjacent constraint; (c) boundary constraints; (d) quadrilateral constraint; (e) trilateral constraints

Fig. 3. Deformation of standard components under random control points

Fig. 4. Distribution of deflection curve under simplified model

Fig. 5. Selecting control points according to deflection curve and different spacing. (a) Unilateral constraints; (b) adjacent constraint; (c) boundary constraints; (d) trilateral constraints; (e) quadrilateral constraint and unconstraint

Fig. 6. Mapping relationship diagram

Fig. 7. Diagram of proportional relation of y plane

Fig. 8. 3D reconstruction based on control points

Fig. 9. Optimal selection of control points. (a) Set a control point at maximum deflection; (b) add a control point in reverse direction of flexure; (c) control points are added one by one in reverse direction of flexure

Fig. 10. Analysis route of surface deformation^［15］

Fig. 11. Deformation coincidence diagram of experimental surface. (a) Adjacent constraint; (b) boundary constraints; (c) quadrilateral constraint; (d) unilateral constraints

Fig. 12. Test deformation and control points diagram of an aircraft wing

Fig. 13. Deformation coincidence degree analysis of an aircraft wing