Summary of available Mesh Collector properties for Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal

The specified Element Family and Collector Type in the Element Topology group, and Type in the Properties group for a given mesh collector determines its modeling uses and the properties that can be defined for it.

Element Family	Collector Type	Type	Available properties	Summary of applications
3D	Solid	N.A.	MaterialThermo-optical properties	Models thermal and 3D flow effects in complex or irregular geometry.Models radiation and surface convection.Models the transmission of radiative energy through complex or irregular transparent objects.
2D	Shell	Thin Shell	MaterialThicknessNon-structural massThermo-optical propertiesTop to bottom couplings	Models 2D thermal effects in flat or thin geometry.Models radiation and surface convection.
Null Shell	Thermo-optical propertiesTop to bottom couplings	Supports migration of models from I-deas TMG Thermal Analysis and I-deas Electronic Systems Cooling to Pre/Post.Allows you to perform certain post-processing applications, such as creating view factors and radiative fluxes.Models through-plane conduction using the Top to Bottom Couplings option.
Multi-Layer Shell Uniform	MaterialTotal thicknessNumber of layersThermo-optical properties	Models 2D thermal effects in flat or thin geometry without discrete layers where you want a detailed picture of the conduction through the geometry without using 3D elements. Models through-plane conduction and temperature gradients.Models radiation and surface convection.
Multi-Layer Shell Non-Uniform	Material for each layerThickness for each layerThermo-optical properties for each layerDefined conduction and radiation couplings between layers	Models 2D thermal effects in flat or thin geometry without discrete layers where you want a detailed picture of the conduction through the geometry without using 3D elements. Models complex through-plane conduction and temperature gradients, including different properties for individual layers.Models radiation and surface convection.
PCB Stack	PCB stack and via definitionsThermo-optical properties	Models the composition of a PCB that contains layers and a vias stack. You model a PCB structure creating and arranging a sequence of PCB Layer and PCB Via modeling objects.Models radiation and surface convection.
Shell Axisymmetric	MaterialThermo-optical propertiesAxisymmetric properties	Models 3D thermal effects in a circular solid using axisymmetric shell elements.Models radiation and surface convection.
1D	Beam	Beam	MaterialNon-structural massSectionThermo-optical properties	Models 1D thermal effects in long, thin, narrow geometry.Models implicit surface radiation and convection.
Beam Axisymmetric	MaterialThicknessNon-structural massThermo-optical propertiesAxisymmetric properties	Models 2D thermal effects in flat or thin circular geometry using axisymmetric beam elements.Models radiation and surface convection.
Duct	Duct	Fluid materialSection	Models 1D flow in ducts with defined cross sections to solve for pressure, velocity, mass flow, and temperature.Models surface radiation and convection when you use shell elements to model duct walls.
Duct with Thick Wall	Fluid materialThick wall materialSectionThermo-optical properties	Models 1D flow in ducts with defined cross sections to solve for pressure, velocity, mass flow, and temperature.Models 1D thermal effects in long, thin, narrow geometry.Models implicit surface radiation and convection.
Duct with Mass Flow	Fluid material	Models 1D flow in ducts with fixed mass flow to solve only for mass flow and temperature.Models surface radiation and convection when you use shell elements to model duct walls.
Duct Axisymmetric	Fluid materialThicknessAxisymmetric properties	Models 1D annular flow using axisymmetric duct elements in a model that contains both axisymmetric elements and non-axisymmetric elements.Models surface radiation and convection when you use beam axisymmetric elements to model duct walls.
Duct with Mass Flow Axisymmetric	Fluid materialAxisymmetric properties	Models 1D annular flow using axisymmetric duct with mass flow elements in a model that contains both axisymmetric elements and non-axisymmetric elements.Models surface radiation and convection when you use beam axisymmetric elements to model duct walls.
0D	Concentrated Mass	Lumped Mass	MaterialNon-structural mass and diameterThermo-optical propertiesIdentifier	Models implicit surface radiation and convection.Models additional thermal mass for capacitance calculations.Models additional surface area for radiation and convection.
Lumped Mass Axisymmetric	MaterialNon-structural massSolid area and external perimeterThermo-optical propertiesAxisymmetric properties	Models 1D thermal effects in long, thin, narrow circular geometry using axisymmetric lumped mass elements.Models implicit surface radiation and fluid convection.

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Create a Mesh Collector

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Mesh collectors

Mesh collector uses

Specifying cross sections for 1D elements (Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal)

Understanding Top to Bottom Couplings for 2D shell elements (Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal)

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

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Summary of available Mesh Collector properties for Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal, Simcenter 3D 2021.1 Series

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