Скачать или смотреть 11 The coupled problem of Fluid-Structure-Interaction (FSI) - Yousef Heider

Course:
** Reliable Simulation in the Mechanics of Materials and Structures **
** Zuverlässige Simulation in der Werkstoff- und Strukturmechanik **

Instructor: Yousef Heider
Institute of General Mechanics
RWTH Aachen University

ResearchGate: https://www.researchgate.net/profile/...
GoogleScholar: https://scholar.google.com/citations?...
LinkedIn:   / yousef-heider-21a4961b  

** Summer Semester 2021 **

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Topics of the course:

Verification, validation, and prediction: general definitions within the field of Computational Mechanics.

Abstraction and idealization of a physical problem: based on examples, the processes of abstraction and idealization from a real-world problem into a mathematical model (depending on the aim of simulation) will be clarified. - -

The influence of faulty idealization will be thoroughly discussed.
Verification of a model: to ensure the accuracy of the numerical implementation of the mathematical model, the results will be compared with a reference solution (e.g. analytical solution).

Factors affecting the FEM implementation: time integration scheme (explicit or implicit), time step size, element type, static or dynamic model, linear or non-linear model geometric non-linearity, etc..

Validation of a model: by comparison of a numerical model with reality (e.g. experimental results, complete systems).

Solving coupled problems: suitable solution strategies for weakly and strongly coupled problems. Example: differential equations of a coupled spring, damper and mass system.

Example of strongly coupled problems: Thermo-elasticity and Fluid-structure interaction

Future topic: e.g. related to machine learning in computational mechanics

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https://www.iam.rwth-aachen.de/go/id/...
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Keywords:
#Coupled_problems
#Monolithic
#Staggered
#Fluid_structure_Interaction
#FSI
#CFD
#momentun_balance
#volume_coupled
#mass_balance
#materially_coupled
#lecture​​ #Computational_Mechanics​​ #continuum_mechanics​, #coupled_problems​​ #Finite_Element_Method​​ ​ #RWTH​​ #Heider #Yousef_Heider