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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：ANALYSIS AND APPROXIMATION OF FLUIDS UNDER SINGULAR FORCING
奇异强迫体 分析 近似 牛顿流体
2023/5/5
Motivated by applications, like modeling of thin structures immersed in a fluid, we develop a well posedness theory for Newtonian and some non-Newtonian fluids under singular forcing in Lipschitz doma...
IUTAM Symposium on Mechanical design and analysis for AM technologies (AMT 2018)
IUTAM Seminar Mechanical design Analysis technology
2017/12/13
IUTAM Symposium on Mechanical design and analysis for AM technologies (AMT 2018).
三亚国际数学论坛：Modeling,Analysis,Simulations and Applications of Inter-Facial Dynamics and FSI Problems
三亚国际数学论坛 Modeling Analysis Simulations Applications Inter-Facial Dynamics and FSI Problems
2017/11/24
The focus of the workshop will be on mathematical modeling and analysis of interface dynamics problems, and fluid interaction problems, the theory and analysis of the related partial differential equa...
Analysis on temporal and spatial variations of groundwater hydrochemical characteristics in the past decade in southern plain of Beijing, China
Beijing Groundwater Hydrochemical characteristics
2018/3/23
Groundwater utilization and protection are crucial for sustainable urban development. This is especially true for Beijing, where groundwater is an important source for urban water supply. In this stud...
A Bifurcation Analysis of the Quadratically Damped Mathieu Equation and Its Applications to the Dynamics of Submarine Towed-Array Lifting Devices
Bifurcation Analysis Quadratically Damped Mathieu Equation Applications Dynamics Submarine Towed-Array Lifting Devices
2015/8/27
This work concerns the dynamics of towed array lifting devices (LFDs), which help to maintain the position of a tow line being dragged behind a vessel.
Center manifold analysis of a DDE model of gene expression
Delay DDE Center manifold Hopf bifurcation Gene transcription
2015/8/27
We use center manifold theory to analyze a model of gene transcription and protein synthesis which consists of an ordinary differential equation (ODE) coupled to a delay differential equation (DDE). T...
Analysis of Frequency Locking in Optically Driven MEMS Resonators
Frequency Locking Optically Driven MEMS Resonators
2015/8/27
Thin, planar, radio frequency microelectromechan-ical systems (MEMS) resonators have been shown to self-oscillate in the absence of externalforcing whenilluminated by adirect cur-rent (dc) laser of su...
Perturbation analysis of entrainment in a micromechanical limit cycle oscillator
Resonance MEMS Bifurcation Perturbation
2015/8/27
We study the dynamics of a thermo-mechanical model for a forced disc shaped, micromechanical limit cycle oscillator.The forcing can be accomplished either parametrically, by modulating the laser beam ...
Analysis of Laser Power Threshold for Self Oscillation in Thermo-Optically Excited Doubly Supported MEMS Beams
MEMS Limit cycle Hopf bifurcation Numerical continuation Resonator
2015/8/26
An optically thin MEMS beam suspended above a substrate and illuminated with a CW laser forms an interferometer, coupling out-of-plane deflection of the beam to absorption within it. In turn, laser ab...
Lagrangian Analysis and Prediction of Coastal and Ocean Dynamics
Coastal and Ocean Dynamics Lagrangian Analysis
2015/7/20
During a colloquium on Lagrangian dynamics in Liège, Belgium, in 1999, several participants discussed convening a meeting devoted to Lagrangian studies in the ocean and atmosphere. The European Scienc...
Viscous Flow Solvers for Aero/Hydrodynamic Analysis and Design
Viscous Flow Solvers Aero/Hydrodynamic Analysis Design
2015/7/2
This paper reviews the principles underlying the de velopment of numerical techniques for the solution of both steady and time dependent viscous flow prob lems. The combination of efficient high resol...
FULLY NON-LINEAR CFD TECHNIQUES FOR SHIP PERFORMANCE ANALYSIS AND DESIGN
NON-LINEAR CFD TECHNIQUES PERFORMANCE ANALYSIS DESIGN
2015/7/1
Non-oscillatory discretization methods based on the Lo-cal Extremum Diminishing principle, which were origi-nally devised for compressible flow, are applied to the free-surface evolution equation. Mor...
A finite element model for strain localization analysis of strongly discontinuous fields based on standard Galerkin approximation
finite element model strongly discontinuous fields standard Galerkin approximation
2015/7/1
This paper presents a fnite element model for strain localization analysis of elastoplastic solids subjected to discontinuous displacement felds based on standard Galerkin approximation. Strain enhanc...
Sensitivity analysis of three-dimensional salinity simulations in North San Francisco Bay using the unstructured-grid SUNTANS model
Unstructured grid Numerical diffusion Scalar advection scheme Turbulence model Grid resolution
2015/6/30
The unstructured-grid SUNTANS model is applied to San Francisco Bay using a grid with an average resolution of 50 m. This accurately resolves tidal hydrodynamics in a domain that extends from the Paci...
Design-Oriented Aerodynamic Analysis for Supersonic Laminar Flow Wings
Super sound pneumatic
2015/6/18
The computation of boundary layer properties and
laminar-to-turbulent transition location is a very
complex problem, generally not undertaken in the
context of aircraft design. Yet if an aircraft i...