isopachicadj.n.

/ʌɪsəʊˈpakɪk/

Etymology: formed as isopach n. + -ic suffix.

A. adj.

Corresponding to or depicting the locus of points in a body where the sum of the principal stresses has the same value.

ΘΚΠ

the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [adjective] > loci of principal stresses

isoclinic1915

isopachic1931

1931 E. G. Coker & L. N. G. Filon Treat. Photo-elasticity ii. 178 By observations with the lateral extensometer we can..obtain..the curves for which P + Q has an equal value. These may be briefly referred to as Isopachic curves, or curves of equal thickness.

1950 M. Hetényi Handbk. Exper. Stress Anal. xvii. 910 If the isochromatic and isopachic lines for a given model and loading are known, it becomes..simple..to evaluate the two principal stresses at any point by direct addition and subtraction of the equivalent values.

1972 Physics Bull. May 276/3 The use of double exposure holography to obtain isopachic-isochromatic fringe patterns in the reconstructed image has also been reported.

B. n.

An isopachic line or curve.

ΘΚΠ

the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > mutually perpendicular > line of constant

isopachic1931

isopach1936

1931 E. G. Coker & L. N. G. Filon Treat. Photo-elasticity ii. 179 The lines of equal P are..obtained by taking successive intersections of isochromatics and isopachics, the parameters of the isochromatics going up one at a time, those of the isopachics going down one at a time; or conversely.

1958 E. U. Condon & H. Odishaw Handbk. Physics iii. vi. 88/1 Curves of constant p + q are called isopachics.

This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).

单词	isopachic
释义	isopachicadj.n. /ʌɪsəʊˈpakɪk/ Etymology: formed as isopach n. + -ic suffix. A. adj. Corresponding to or depicting the locus of points in a body where the sum of the principal stresses has the same value. ΘΚΠ the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [adjective] > loci of principal stresses isoclinic1915 isopachic1931 1931 E. G. Coker & L. N. G. Filon Treat. Photo-elasticity ii. 178 By observations with the lateral extensometer we can..obtain..the curves for which P + Q has an equal value. These may be briefly referred to as Isopachic curves, or curves of equal thickness. 1950 M. Hetényi Handbk. Exper. Stress Anal. xvii. 910 If the isochromatic and isopachic lines for a given model and loading are known, it becomes..simple..to evaluate the two principal stresses at any point by direct addition and subtraction of the equivalent values. 1972 Physics Bull. May 276/3 The use of double exposure holography to obtain isopachic-isochromatic fringe patterns in the reconstructed image has also been reported. B. n. An isopachic line or curve. ΘΚΠ the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > mutually perpendicular > line of constant isopachic1931 isopach1936 1931 E. G. Coker & L. N. G. Filon Treat. Photo-elasticity ii. 179 The lines of equal P are..obtained by taking successive intersections of isochromatics and isopachics, the parameters of the isochromatics going up one at a time, those of the isopachics going down one at a time; or conversely. 1958 E. U. Condon & H. Odishaw Handbk. Physics iii. vi. 88/1 Curves of constant p + q are called isopachics. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018). < adj.n.1931
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