2022年4月29日 · HEC-RAS performs 1D and 2D computations using the St. Venenat equations of Conservation of Mass and Conservation of Momentum. While 1D models solve the St. Venant …

Instability and Non-uniqueness for the 2D Euler Equations, after M. Vishik C De Lellis, E Brué, D Albritton, M Colombo, V Giri, M Janisch, H Kwon Princeton University Press , 2024

2024年2月1日 · When building a two-dimensional (2D) HEC-RAS model, for example, I start by outlining the study area, generating a mesh with a large pixel size, and running the model with …

2022年7月14日 · Manning’s n-value recommendations for 2D hydraulic models are found in software documentation (e.g., the HEC-RAS 2D User’s Manual, the FLO-2D user’s manual, …

2021年12月9日 · Title: Instability and nonuniqueness for the $2d$ Euler equations in vorticity form, after M. Vishik Authors: Dallas Albritton , Elia Brué , Maria Colombo , Camillo De Lellis , …

In this expository work, we present Vishik's theorem on non-unique weak solutions to the two-dimensional Euler equations on the whole space, \ [ \partial_t \omega + u \cdot \nabla \omega …

2024年2月13日 · Following the pioneering ideas of M. Vishik, the book explains the optimality of a celebrated theorem of V. Yudovich from the 1960s, which states that, in the vorticity …

2024年2月13日 · Following the pioneering ideas of M. Vishik, the authors explain in detail the optimality of a celebrated theorem of V. Yudovich from the 1960s, which states that, in the …

2025年3月6日 · Selecting Manning’s n Values for 2D HEC-RAS Models Paige Brue, P.E., CFM, QSD March 10, 2025 HEC-RAS Manning’s roughness coefficient, also commonly referred to …

2022年4月29日 · 3. When setting up a 2D HEC-RAS model, start with larger cell sizes and short simulation times. At a previous job, I created many HEC-RAS 2D models for dam breach …