Optimal design of thin-walled I beams for a given natural frequency of torsional vibrations (Q3675668)

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Optimal design of thin-walled I beams for a given natural frequency of torsional vibrations
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    Optimal design of thin-walled I beams for a given natural frequency of torsional vibrations (English)
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    1984
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    extremum weight design
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    thin-walled I beams
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    given natural frequency
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    torsional vibrations
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    effects of warping stresses
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    constant axial loads
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    Pontryagin's maximum principle
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    additional geometrical conditions
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    iterative
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    numerical examples
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    variable flange width
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