In structural mechanics, a membrane is modeled analytically as a material surface devoid of bending stiffness and resisting only tangential (in-surface) membrane forces—normal and shearing. The absence of bending stiffness, strictly speaking, implies no resistance to compression stress as well. However, a momentless shell supporting compression is a common model in structural analysis. It is sometimes referred to as a membrane shell, especially when it is necessary to distinguish it from a true, or ideal, membrane, which is a system with unilateral constraints in tension.
KeywordsTorque lYsin Assure Expense
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