December Community Projects: The Quick List

December has been a busy time here at SimScale following the launch of the SimScale Community. The number of Public Community Projects is growing every day from users all over the world. Let’s have a quick look at some of the projects that have been created.

Sudden Expansion of a Pipe (vgullapalli)

Community Projects - Sudden Expansion of a Pipe

In this project, there is a sudden expansion of the pipe from 10 mm to 30 mm with an inlet velocity of 5 m/s. The diameter ratio of 1:3 should give a loss coefficient of 0.8 [k=(1-AreaRatio)²] and an expected pressure drop of around 10 kPa or 10.1 m²/s² (density 997 kg/m³) based on the equations in the standard literature.

Airflow around a Vertical Axis Wind Turbine (Iria)

Airflow around a Vertical Axis Wind Turbine

In this study of the airflow around the turbine, SimScale user Iria is using the Multiple Reference Frame (MRF) technique to do simulations all around a vertical turbine changing the flow direction every 30°.

Bolt Prestressing (rszoeke)

Bolt Prestressing

This project shows how to model pre-stress in a bolt using a new feature available for physical contact called fictitious clearance. It adds a virtual layer onto the contact surfaces with a thickness that can be a function of time or the mesh coordinates meaning you can have an increasing pre-stressing on the bolt.

External Flow around a Helmet with a Go Pro (gstetson)

External Flow around a Helmet with a Go Pro

In this project, the external flow around a helmet with a Go Pro is visualized. The aerodynamics can then be compared to the same helmet without a Go Pro attached.

Transport Bracket (Duffman)
Transport Bracket

A static analysis of a transport bracket used to lift a 160 kg injection moulding tool to determine the stresses.

Thermal Analysis of a Resistor (kturnbull)

Thermal Analysis of a Resistor

This simulation is an analysis of three power resistors and their heat dissipation. The aim is to determine if the temperature at the fuse is sufficient to melt solder (180-200 deg C) at one end and operate the fuse in three different current loading scenarios.

Let’s ring in the New Year with some more great simulations!

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