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Volume 42 - October 1938

Contents

Page 3 of 7

Letter

  • Correspondence

  • A. R. Weyl
  • Published online by Cambridge University Press:
    28 July 2016, pp. 754-755
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Research Article

Reviews

Other

Research Article

  • Relaxation and Iteration

  • J. Morris
  • Published online by Cambridge University Press:
    28 July 2016, pp. 613-616

  • In recent years much attention has been devoted to what Professor Southwell has appropriately called relaxation (1) methods in the solution of structural problems. These methods are essentially physical applications of iteration processes for solving simultaneous equations. In this paper it is not intended to discuss the advantages or otherwise of physical relaxation as compared with analytical iteration. The object is to examine the mathematical basis of the relaxation methods and to investigate the conditions of their convergency.

Abstract

  • Abstracts of Patent Specifications

  • Published online by Cambridge University Press:
    28 July 2016, pp. 897-917
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Other

Abstract

  • Abstracts from the Scientific and Technical Press

  • Published online by Cambridge University Press:
    28 July 2016, pp. 173-189
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Reviews

Abstract

  • Abstracts from the Scientific and Technical Press

  • R.T.P
  • Published online by Cambridge University Press:
    28 July 2016, pp. 617-636
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Reviews

Instability of Monocoque Structures in Pure Bending

  • Part III. Local Buckling of Monocoque Structures

  • Published online by Cambridge University Press:
    28 July 2016, pp. 319-333

  • In case of normal monocoque aeroplane fuselages relatively strong rings are spaced at distances equal to diameter of the fuselage, failure of the structure always occurs by instability of the most stressed stringer. The buckling stress, however, is mostly very low, especially, when the number of stringers is great and consequently the cross section of one stringer is small. The value of the stress at failure may be raised by spacing the rings nearer and reducing thereby the free length and, consequently, the slenderness ratio of the stringers. In this case the rings should be constructed of lighter sections in order to balance the increment of weight of the whole structure due to the greater number of rings.

    By decreasing gradually the interval between rings a critical distance is reached when the most stressed stringer does not buckle between adjacent rings, but forces one or more supporting rings to deform simultaneously. This form of instability will in the following be termed local buckling of the monocoque structure.

Letter

  • Correspondence

  • W. E. Gray
  • Published online by Cambridge University Press:
    28 July 2016, p. 917
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Reviews

Abstract

  • Abstracts from the Scientific and Technical Press

  • Published online by Cambridge University Press:
    28 July 2016, pp. 1116-1135
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Review

Page 3 of 7