| 释义 |
deviator|ˈdiːvɪeɪtə(r)|
[a. late L. dēviātor (Augustine), agent-n. f. dēviāre to deviate.]
1. One who deviates, goes astray, digresses, etc.; see the verb.
1651Fuller Abel Rediv. 220 Though Latimer was in his heedlesse youth A deviator. 1756W. Toldervy Hist. 2 Orphans III. 48 Here we are obliged to be, in some measure, deviators. 1851P. Fairbairn tr. Hengstenberg's Revel. S. John i. 7 The deviators are quite at variance among themselves.
2. An appliance for altering the course of a balloon.
1886Pall Mall G. 14 Sept. 8/2 Their deviator had ceased to act.
Add:3. Mech. The non-isotropic component of a tensor, esp. a stress tensor. Freq. as stress deviator.
1937Jrnl. Appl. Physics VIII. 207/2 The special tensor for this type of distortion [sc. plastic deformation] has sometimes been called a ‘deviator’. 1951Prager & Hodge Theory perfectly Plastic Solids iv. 117 The stress-strain law of Mises..then shows that the radial and circumferential components of the stress deviator are equal in absolute value but opposite in sign, while the axial component sz vanishes. 1976Trans. Amer. Soc. Mech. Engin. Ser. H. XCVIII. 282/1 The third invariant of stress deviator affects considerably the plastic deformation of the material. |