CFD Analysis And Its Applications
CFD Analysis is a technique used for studying and predicting fluid flows. It uses mathematical models defining the fluid and flow which are then solved using computers and the prediction is made about the flow properties. These predictions are useful when designing the systems with fluids or studying the natural phenomenon.
What is fluid?
Fluids are materials that can flow under the influence of a force field, including substances in their liquid or gaseous states. Understanding fluid flow is inherently complex due to the variety of factors at play. To perform fluid flow analysis, we need to examine properties like force, velocity, pressure, density, and temperature, which can vary at every point within the fluid. Studying these properties through experiments or analytical methods is thus impossible in most real-world problems.
The Continuum Assumption in Fluid Mechanics:
We know that matter is made of atoms and molecules that have empty space between them, but CFD is based on an assumption that says fluid is a continuum ignoring the empty spaces. This means that properties can continuously travel through the medium. For example, let’s say we apply a force at some location in a fluid, it will create a deformation which is continuously varying throughout the
