The Design – 3D Knot Pipe CFD Fluid Flow | Ansys CFX
This simulation is about an Analysis of 3D Knot Pipe CFD Fluid Flow using ANSYS CFX software. We perform this CFD project and investigate it by CFD analysis.
A 3D knot pipe is a visual representation of a pipe tied into a knot, which can be a geometric 3D model or a 3D render. Creating a 3D model of a knot pipe involves using 3D modeling software to build the pipe shape and then applying knot-making techniques, such as breaking the knot into sections and using tools like the sweep mesh and spiral curve tool. Alternatively, it can refer to the physical “pipe hitch” knot, which is used to secure a rope to a pipe.
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Using CAD and design software:Some 3D knot pipe models are created for aesthetic or conceptual purposes. This is done in software like Maya or Plasticity.
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Creating the pipe:A pipe can be made from a circle and a sweep tool to create a ring shape.
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Building the knot:The knot is then built by shaping and manipulating this pipe, often by breaking the knot into logical parts like the noose and the knot section.
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Using curves and sweeps:A common method is to create a line curve or spiral for the knot section and use the sweep tool to give it volume.
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Pipe hitch:This is a specific knot used in real life to secure a rope to a smooth object like a pipe or pole.
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How to tie it:Wrap the rope around the pipe multiple times, then secure it with two half-hitches.
This analysis has tried to simulate and analyze of 3D Knot Pipe CFD Fluid Flow using ANSYS CFX software.
Geometry & Grid
The geometry required for this analysis was generated by Ansys Design Modeler software. The meshing required for this analysis was also generated by Ansys Meshing software. The mesh type used in this analysis is unstructured. The total number of volume properties for geometry is 1489,1 mm³.
Model
In this analysis, a steady-state analysis type was used to obtain the results to check the fluid flow. In this analysis, non-buoyant models have been used and stationary domain motion has also been activated in this analysis.
Boundary Condition
The flow input for this geometry of 3D Knot Pipe directs the flow of air at a fluid temperature of 25°C into the geometry. The turbulence boundary condition of a 3D Knot Pipe wall is considered to be shear stress transport according to the working conditions. The wall function is defined as automatic in the name selection section of the turbulence boundary condition. The normal speed for the mass momentum is equal to 2 m/s. The turbulence for the design modeler is set with an intensity equal to 5 %.
Discretization of Equations
In this analysis, high-resolution is used for the advection scheme of the basic settings. In this analysis, the first-order is used for turbulence numerics. In this analysis, the residual type of convergence criteria is RMS and the residual target of convergence criteria is 0,00001.
The results are presented as velocity contours as well as volume rendering.
The Design Services
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