Multi-patch isogeometric shape optimization of complex free-form surfaces with buckling constraints

2026/01/01 by Ziling Song, Smriti, Sundararajan Natarajan +1 · 3 citations
Engineering · #Advanced Numerical Analysis Techniques #Buckling #Composite Structure Analysis and Optimization #Constraint (computer-aided design) #Finite element method #Isogeometric analysis #Optimization problem #Sensitivity (control systems) #Shape optimization #Shell (structure) #Topology Optimization in Engineering

paper · doi:10.1016/j.compstruc.2025.108093

published in Computers & Structures 321, 108093 (Elsevier BV)

openalex publication_date 2026/01/01 · openalex created_date 2026/01/02 · openalex updated_date 2026/07/28

Citations

• Isogeometric analysis: CAD, finite elements, NURBS, exact geometry and mesh refinement
• Isogeometric shape optimization of shells using semi-analytical sensitivity analysis and sensitivity weighting
• Isogeometric structural shape optimization
• Shape optimal design using B-splines
• Full analytical sensitivities in NURBS based isogeometric shape optimization
• A simultaneous shape and topology optimization approach of shell structures based on isogeometric analysis and density distribution field