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Design of cylindrical pressure vessel with hemispherical heads due to fulfillment of membrane stress state condition

The main objective of this paper and performed research is to determine the most favorable constructional geometry type of joint between cylinder and hemispherical head of pressure vessel from the standpoint of fulfilling the condition of membrane stress state. By using known membrane shell theory, requirement for achieving membrane stress state in cylindrical pressure vessel with hemispherical heads was evaluated. Furthermore, the most favorable type of three possible constructional geometry of joint between cylinder and head of pressure vessel by using of software ANSYS 12.0 based on finite element method, was ascertain. To this purpose, axisymmetrical finite element PLANE-183 from the ANSYS finite element library was used.

cylindrical pressure vessel; hemispherical head; membrane stress theory; finite element analysis

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