## Symmetric compression: the application of symmetry and antisymmetry to the analysis of linearly elastic plane asymmetric frames presented as an introduction to a more general theory of structural analysis |

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### Contents

Negative Elasticity | 5 |

if Vector Components | 13 |

Proportionate Parts | 26 |

2 other sections not shown

### Common terms and phrases

aaLas aaLsa aaLss aero analysis anti arrays anti structure antisymmetric components antisymmetric distortions applied loads array of loads asLaa asLas asLsa asLss axes parallel axis of symmetry axis to form bending moments boundary member boundary structures calculation change sign coefficients column component structure component table considered convention corresponding count the coincidences cross axis cross member Daa Daa deformations Dss Dsa Dsa Dss Dss dsss external loads f(abc f(xyz figure flexural rigidity form a sym/anti Fourier analysis frame homogeneous equations horizontal axis internal forces joints linearly elastic structure load sL longitudinal magnitude ohange parallel axes perpendicular qualifying letters redundant saLaa saLas saLsa saLss scalor shear similarly sLs Ss Ds solved elements ssLaa ssLas ssLs ssLsa ssLss stiff sym and anti sym or anti symbol symmetric component Symmetric structures symmetrically opposed points terns vertical axis vertical vector written zero members