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ST7-1.50.30.14 Balancing Load in Pressure Vessels with Openings
When modelling contained pressure loads that act on the structure, it is important that the load be balanced to model the physical reality accurately. That is, if there is an opening in the pressurised body, the lack of applied pressure on the opening (due to lack of finite elements that cover up these openings) will result in a large force imbalance. This effect is analogous to that of a propelling nozzle.
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