FEATool Multiphysics

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Temperature Loading of a Tapered Cylinder

Temperature Loading of a Tapered Cylinder

Temperature Loading of a Tapered Cylinder

Temperature Loading of a Tapered Cylinder

This validation test case models temperature loading of a tapered hollow thick cylinder with a spherical bottom flange section. The solid object is assumed to be clamped vertically, but allowed to expand horizontally due to a linear temperature gradient. The stress in the z-direction at the bottom inner point is …

Electro-Osmotic Flow

Electro-Osmotic Flow

Electro-Osmotic Flow

Electro-Osmotic Flow

This multiphysics example examines microfluidic flow and coupled mass transport due to electroosmosis in a channel with a T-shaped junction. With application of an electric field in a micro channel a flow effect is induced along the walls due to chemical reactions between the liquid and the wall material. This effect …

Cooling Effect of Adding Fins

Cooling Effect of Adding Fins

Cooling Effect of Adding Fins

Cooling Effect of Adding Fins

This example models heated steam at a constant temperature of 120 C flowing through a aluminium pipe with 3 cm diameter. Heat loss to the surrounding cool air (at 25 C and heat transfer coefficient of h = 60 W/m2 C) is computed for a plain pipe, and also a pipe where 200 cooling fins per meter has been added. The …

Multi-Simulation Heat Exchanger

Multi-Simulation Heat Exchanger

Multi-Simulation Heat Exchanger

Multi-Simulation Heat Exchanger

This tutorial model illustrates how one can couple the OpenFOAM CFD solver with the FEATool Multiphysics FEA solver. In the model a stream of cool air is heated while flowing through a tube and fin heat exchanger. Due to several symmetry planes only a small section of the full heat exchanger geometry actually needs to …

Modeling of Wind Flow Around Obstructions to Aid Wind Turbine Placement Decisions

Modeling of Wind Flow Around Obstructions to Aid Wind Turbine Placement Decisions

Modeling of Wind Flow Around Obstructions to Aid Wind Turbine Placement Decisions

Modeling of Wind Flow Around Obstructions to Aid Wind Turbine Placement Decisions

Renewable energy such as solar and wind power is becoming increasingly important in reducing effects of global warming. The One Energy wind power company installs wind turbines on local properties instead of dedicated wind farms, in which case there are no industry standards how small single obstructions, such as from …

Space-Time Transformation of Heat Conduction

Space-Time Transformation of Heat Conduction

Space-Time Transformation of Heat Conduction

Space-Time Transformation of Heat Conduction

This example considers transient heat diffusion in a solid 1 m rod where one end is kept at T = 25 degrees and the other subject to constant heat flux q_n = 1. This one-dimensional time dependent problem is transformed to a static two dimensional one. The computed results can both be compared with the analytical …

Capacitance in a Microstrip Transmission Line

Microstrip Transmission Line

Microstrip Transmission Line

Capacitance in a Microstrip Transmission Line

A shielded electrical microstrip transmission line is fixed to a substrate and placed in a shielded container of air. The simulation applies a known voltage to the strip to calculate the resulting capacitance and compares this with the theoretical result. The problem assumes symmetry in the lengthwise direction so that …