What is the significance of boundary conditions?

Boundary conditions are practically essential for defining a problem and, at the same time, of primary importance in computational fluid dynamics. It is because the applicability of numerical methods and the resultant quality of computations can critically be decided on how those are numerically treated.

What is particle tracking method?

A particle tracking method is used to analyze mixing. Given velocity field, the particles initially located at the interface between the two fluids with different power-law index n are tracked to the end of the mixer geometry. The more uniform the distribution at a cross-sectional area, the better the mixing.

What are boundary conditions in FEA?

Boundary conditions (b.c.) are constraints necessary for the solution of a boundary value problem. A boundary value problem is a differential equation (or system of differential equations) to be solved in a domain on whose boundary a set of conditions is known.

What is an example of a boundary condition?

A boundary condition which specifies the value of the normal derivative of the function is a Neumann boundary condition, or second-type boundary condition. For example, if there is a heater at one end of an iron rod, then energy would be added at a constant rate but the actual temperature would not be known.

What are boundary conditions in research?

boundary conditions (BC). BC refer to the ”who, where, when” aspects of a theory (Whetten, 1989). These conditions relate, most importantly, to boundaries in time, space, and the researcher’s values (Bacharach, 1989) and describe the limits of generalizability of a theory (Whetten, 1989).

What is SPT technique?

Basic Characteristics. Single Particle Tracking (SPT) is a fluorescence microscopy technique developed in the 1980s with the aim to study the movement of individual particles or molecules from a time series of microscope images. The particles of interest in SPT have a size in the range of 10–1,000 nm.