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This model deals with the stability of a plate with an edge crack that is subjected to a tensile load. To analyze the stability of existing cracks, fracture mechanics can be utilized. A commonly used parameter in fracture mechanics, used to predict if a specific crack will cause the ... Mehr lesen
A classical flow pattern is the von Kármán vortex street that can form as fluid flows past an object. These vortices may induce vibrations in the object. This problem involves a fluid-structure interaction where the large deformation affect the flow path. The magnitude and the ... Mehr lesen
A Chladni plate is a metal plate that is covered in sand and subjected to vibrations. At certain frequencies, the vibrations produce standing waves, resulting in sand patterns formed on the plate. The vibrations are either formed from a violin bow at the side of the plate or a wave ... Mehr lesen
In this example, a simplified micromechanical model of a unit cell with periodic boundary conditions is analyzed. The homogenized elastic and thermal properties of a composite material are computed based on individual properties of fiber and matrix. A comparison of numerical values are ... Mehr lesen
A tube connection consisting of a flange with eight prestressed bolts is subjected to a set of loads consisting of an internal pressure, an axial force, and an external bending moment. The model domain consists of one quarter of the full geometry, since there are two planes of ... Mehr lesen
In diesem Tutorial wird die Ausbreitung von elastischen Wellen im Boden nach einem seismischen Ereignis mit einem 2D-Modell simuliert. Die Auswirkung der Topologie der Bodenoberfläche auf die Wellenausbreitung wird veranschaulicht, wenn ein idealer Halbraum durch die Anwesenheit eines ... Mehr lesen
An AC contactor is a particular type of magnetic switch device, which is activated by a primary coil fed by an alternating current. Unlike DC switches, such devices can suffer from a tendency to reopen when the AC current crosses zero. The addition of a shading coil that supports ... Mehr lesen
Using a Fluid-Solid Interaction multiphysics interface, the behavior of a spring-loaded ball check valve is studied under varying functional and reverse flow. The fluid force acting on the ball opens the valve at the opening pressure. In the case of a reversed pressure, the ball comes ... Mehr lesen
In this example, a random vibration test of electronic equipment is simulated. Three analyses are performed, one for acceleration in each global direction. Accelerations in the components and forces in clamping bolts are evaluated. Mehr lesen
Interfacial failure by delamination or debonding can be simulated with a Cohesive Zone Model (CZM). This example shows the implementation of a CZM with a bilinear traction-separation law. It is used to predict the mixed-mode softening onset and delamination propagation in a composite ... Mehr lesen