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Computational Fluid Dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to solve and analyze problems involving fluid flows. It leverages computational power to simulate the interaction of liquids and gases with surfaces, providing insights into complex flow phenomena that are often impossible to study experimentally.
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Finite Element Analysis (FEA) is a computational technique used to approximate solutions to complex structural, thermal, and fluid problems by breaking down a large system into smaller, simpler parts called finite elements. This method is widely utilized in engineering and physics to simulate and predict the behavior of materials and structures under various conditions, enhancing design and safety while reducing the need for physical prototypes.
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The Navier-Stokes Equations are a set of nonlinear partial differential equations that describe the motion of fluid substances such as liquids and gases. They are fundamental to fluid dynamics and are used to model weather patterns, ocean currents, and airflow around wings, among other applications.
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Structural mechanics is a branch of physics and engineering concerned with the analysis and design of structures that support or resist loads. It plays a crucial role in ensuring the safety and reliability of buildings, bridges, and other infrastructures by understanding how forces and deformations affect structural integrity.
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Boundary Layer Theory describes the thin region adjacent to a solid surface where viscous forces are significant, affecting the flow velocity and pressure distribution. It is crucial for understanding drag, heat transfer, and aerodynamic performance in fluid dynamics applications.
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Vortex shedding is a fluid dynamics phenomenon where alternating low-pressure vortices are formed downstream of a bluff body in a flow, causing oscillating forces on the body. This can lead to structural vibrations and is a critical consideration in the design of structures like bridges, chimneys, and tall buildings to avoid resonance and potential failure.
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Turbulence modeling is a mathematical approach used to simulate and predict the complex, chaotic behavior of fluid flows in various engineering and physical systems. It is essential for accurately capturing the effects of turbulence in computational fluid dynamics simulations, which are crucial for designing efficient and effective engineering solutions in fields such as aerospace, automotive, and environmental engineering.
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Coupled systems are interconnected networks where the behavior or state of one component affects and is affected by another, leading to complex dynamics. They are prevalent in numerous fields, including physics, engineering, and biology, and are key to understanding phenomena like climate systems and market fluctuations.
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Aeroelasticity is the study of the interactions between aerodynamic forces, structural elasticity, and inertial effects that can lead to phenomena like flutter, divergence, and control reversal in aircraft and other structures. Understanding aeroelasticity is crucial for designing safe and efficient aerospace structures, as it helps prevent catastrophic failures and optimize performance.
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Hydrodynamic forces are the forces exerted by fluids in motion on objects immersed in them, playing a critical role in the design and analysis of marine structures and vessels. These forces are influenced by factors such as fluid velocity, density, viscosity, and the shape and orientation of the object in the fluid flow.
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Poromechanics is the study of the mechanical behavior of porous materials, which considers the interaction between the solid matrix and the fluid within its pores. It is crucial for understanding and predicting phenomena in fields such as geomechanics, biomechanics, and material science, where fluid-saturated porous media play a significant role.
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Poroelasticity is a field of study that describes the mechanical behavior of fluid-saturated porous materials, where the interaction between the solid matrix and the pore fluid significantly influences the material's response to stress. It is crucial in understanding and predicting the behavior of geological formations, biological tissues, and engineered materials under various loading conditions.
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