The elasticity and resistance of the materials of engineering (1883)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & sons · leaf 49
ed. It is limited by the co-ordinate planes located by 28 ELASTICITY TV AMORPHOUS SOLID BODIES. [Art. 8. q) and f, and concentric spherical surfaces with radii r andr -j- dr. The directions r, (p and ^, at any point, are rectangu-lar; hence, the sums of the forces acting on the small portionof the… … Those forces which act on the faces aJi, bd and cd will beconsidered negative, and those which act on the other facespositive. The notation will remain the same as in the preceding Ar-ticles, except that the three normal stresses will be indicatedby N^, a; and N^. Art. 8.] EQUATIONS IN POLAR…
Strength of materials · Building materials
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