2022/06/24 by Liangbiao Chen, Chen, Liang-Biao, Peng‐Fei Yao +1
Engineering · #Composite Material Mechanics #Elasticity and Material Modeling #FOS: Physical sciences #Mathematical Physics (math-ph) #Structural Analysis and Optimization
paper · pdf · doi:10.48550/arxiv.2206.12039
openalex publication_date 2022/06/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We derive an infinitesimal rigidity lemma for the strain tensor of surfaces with their curvatures changing sign. As an application, we obtain the optimal constant in the first Korn inequality scales like h4/3 for such shells of mixed type.