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03/17/2021

004973

Bastian Ackermann

Modeling | Loading

RFEM

How can I apply a linearly variable load in Z, such as earth pressure, to a funnel-shaped surface of revolution, which acts in the XY plane but is directed to the central axis of the surface of revolution?

Answer

Bei einem Zylinder könnte man die Lastrichtung lokal in z definieren, bei einem Trichter jedoch wäre die Last dann nicht mehr parallel zur XY-Ebene.

Eine solche Belastung muss demnach in zwei Komponenten (X und Y) aufgeteilt werden, mit Lastrichtung "Global bezogen auf die projizierte Fläche", einmal XP und einmal YP, sowie Lastverlauf "Linear in Z", siehe Bild:

Image 01 - Horizontal Load on Funnel-Shaped Surface

Der Lastwert muss gegebenenfalls umgerechnet werden.

Keywords

Hopper Funnel -shaped Loading Earth pressure Rotated Surface

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  • Updated 04/08/2021

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