![]() It was also confirmed that permanent deformation may occur.įurthermore, Krieg et al. This means that the overpressure of the air may be the cause of actual deformation. As a result of the analysis, severe deformation was found in some cases. To determine whether the behavior of the actual structure was well implemented via FEA, beam theory was applied to the tank structure and compared with the FEA results. From the perspective of stress, the structural safety assessment was performed by comparing the allowable stress and equivalent stress generated in the structure. From the perspective of deformation, the maximum deflection limit was set based on the criteria provided by the Eurocode and DNV. Additionally, finite element analysis (FEA) was performed on the tank structure to confirm the deformation and the stress occurring in the structure. Based on the dimensions of the tank, nozzle, and pipes installed, it was confirmed that the overpressure of the air can cause problems with the structure, according to the Bernoulli equation. The overpressure of the air in the tank generated during testing is one of the possible causes of deformation. In some hydrostatic tests, excessive deformation may occur. ![]() Each tank is required to undergo hydrostatic testing according to the Ship Safety Act after being installed onboard. For example, suppose that in a setting similar to the problem posed in Preview Activity 6.There are many different types of tanks on ships that meet various requirements. What is the meaning of the value you find? Why?īecause work is calculated by the rule \( W = F \cdot d\), whenever the force \( F\) is constant, it follows that we can use a definite integral to compute the work accomplished by a varying force. Evaluate the definite integral \( \int^50_0 B(h) dh\). ![]() = B(h)\Delta h\) measure for a given value of \( h\) and a small positive value of \( \Delta h\)?
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