The elasticity and resistance of the materials of engineering (1915)
Burr, William H. (William Hubert), 1851-1934 · New York, John Wiley & Sons, inc.; [etc., etc.] · leaf 896
ela-tion w^hatever to the co-ordinate r. The limiting equations of condition, (13), (14), and (15)of Art. 2, remain the same, except for the changes of nota-tion, shown in eqs. (7) to (12), for the intensities N and T. Art. 4,J EQUATIONS IN POLAR CO-ORDINATES. 839 Art. 4.—Equations of Motion and… … Fig. I. while (p is measured normal to ZY in a plane which containsOX. The analytical relation existing between the two sys-tems is, then, the following: .x = rsin0, y =r cos ([cos, 6, and z=--r cos (p sin 6. The indefinitely small portion of material to be consideredIS ah e d. It is limited by the…
Strength of materials · Building materials
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