Thermal and flow element quality

The following table shows the acceptable element values that are used by the flow and thermal solvers to determine the quality of elements in your mesh.

	Interior angle, α	Warp angle, βNOTE
Fluid elements	15°<α<165°	N.A.
Thermal elements	1°<α<179°	β<15°

Interior angle

Is the angle between any two edges of the element.

Wrap angle

Is the maximum angle between normals of all possible triangles that are created by dividing the quadrilateral element into triangles.

The fluid elements are left-handed elements.

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Thermal meshing

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Primitives for Simcenter 3D Space Systems Thermal

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Meshing for Simcenter 3D Thermal/Flow, Electronic Systems Cooling, Space Systems Thermal

Special considerations for thermal meshing

Working with multi-layer shell elements

Geometry creation for body-fitted fluid meshing

Geometry preparation for immersed boundary method

Defining the mesh size for fluid modeling

Node to geometry matching in large dimension models

Meshing for turbulence modeling

Meshing consideration and wall functions

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Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal boundary conditions

Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal

Thermal and flow element quality, Simcenter 3D 2021.1 Series

© 2020 Siemens

Warp angle applies only to thermal quadrilateral elements.

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