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743 results on '"Goldsmith W"'

155. Lymphocytoma

Author

Goldsmith, W. N.

Subjects
Clinical Reports and Demonstrations: Section of Dermatology
Published
1934

158. Chronic Leukæmic Dermatosis

Author

Goldsmith, W. N.

Subjects
Clinical Reports and Demonstrations: Section of Dermatology
Published
1937

159. Ehlers-Danlos Syndrome

Author

Goldsmith, W. N.

Subjects
Clinical Reports and Demonstrations: Section of Dermatology
Published
1939

163. Leiomyoma

Author

Goldsmith, W. N.

Subjects
Section of Dermatology
Published
1932

166. CORRESPONDENCE.

Author

Dore, S. E. and Goldsmith, W. N.

Abstract

Presents a letter to the editor in response to the article "Acrodermatitis Perstans," which appeared in the October 16, 1942 issue of the journal.

Published
1942
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168. Pulse Propagation in Straight Circular Elastic Tubes.

Author

NAVAL WEAPONS CENTER CHINA LAKE CA, Goldsmith, W., Lee, P. Y., Sackman, J. L., NAVAL WEAPONS CENTER CHINA LAKE CA, Goldsmith, W., Lee, P. Y., and Sackman, J. L.

Abstract

An experimental investigation of elastic waves produced by the longitudinal impact of strikers with straight 2024 aluminum tubes of 1-in. dia and wall thickness of 0.035 in. (thin walled), 0.095 in. (medium thick-walled), and 0.5 in. (solid bar) was performed by means of the Hopkinson bar technique. For most of the tests the strikers consisted of 1/2-in-dia steel balls; however, 1/4-in-dia, 3/16-in-dia and 1/8-dia steel balls were also used to permit variation in pulse duration. Both central and eccentric impact were achieved by firing the striker from an air gun at a predetermined pressure against the carefully positioned target; the initial velocity of the striker was measured whenever necessary. Longitudinal strain records of the resulting pulse from positions both on the inside and outside surfaces of the hollow specimens and on the outside of the solid bar were obtained by using strain gages of either foil or semiconductor type; some transverse strain histories were also measured concurrently. The transient longitudinal strains were predicted theoretically by solving the one-dimensional Rayleigh-Love equation of wave propagation in a semi-infinite tube with the aid of a computer program. The input to the program consisted of the measured strain record at the first gage station. Reasonable agreement between the data and the results of these calculations was obtained. An experimental investigation of the effect of shortening the pulse duration, the relation between the transverse and longitudinal strain at the same position, and the nature of the antisymmetrical component in the eccentric shots was also undertaken. (Author)

Published
1973

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