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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Energy estimates for the two-dimensional acoustical rarefaction waves
二维声稀波 能量估计 无旋
2023/4/18
We study the two-dimensional acoustical rarefaction waves under the irrotational assumptions. We provide a new energy estimates without loss of derivatives. We also give a detailed geometric descripti...
Two-dimensional High-Lift Aerodynamic Optimization Using the Continuous Adjoint Method
Two-dimensional High-Lift Aerodynamic Optimization Continuous Adjoint Method
2015/7/2
An adjoint-based Navier-Stokes design and optimization method for two-dimensional multi-element high-lift configurations is derived and presented. The compressible Reynolds-Averaged Navier-Stokes (RAN...
Nonlinear superposition of direct and inverse cascades in two-dimensional turbulence forced at large and small scales
Nonlinear superposition direct inverse cascades two-dimensional turbulence
2011/8/4
Abstract: We inquire the properties of 2d Navier-Stokes turbulence simultaneously forced at small and large scales. The background motivation comes by observational results on atmospheric turbulence. ...
Numerical simulation of two-dimensional Faraday waves with phase-field modelling
Numerical simulation two-dimensional Faraday waves phase-field modelling
2011/8/3
Abstract: Fully nonlinear numerical simulation of two dimensional Faraday waves between two incompressible and immiscible fluids is performed by adopting the phase-field method with the Cahn-Hilliard ...