THE VON SCHMIDT DREDGE. (INCLUDES PLATE).

Entzerrung von Textdokumenten unter Verwendung von Thin-Plate-Spline

Conservative Numerical Methods for the Full von Kármán Plate Equations

This article is concerned with the numerical solution of the full dynamical von Kármán plate equations for geometrically nonlinear (large-amplitude) vibration in the simple case of a rectangular plate under periodic boundary conditions. This system is composed of three equations describing the time evolution of the transverse displacement field, as well as the two longitudinal displacements. Pa...

Valerie Schmidt

Introduction We have all heard the old joke of school being all about the three “R’s”, Reading ‘Ritin and ‘Rithmatik, but because of increasing class sizes and reported lack of instruction time, writing has been passed over for the more “important” subjects. The advent of computers and the increasing ease of word processing have given teachers the ultimate excuse, but most beginning composition...

Third-dredge-up Oxygen in Planetary Nebulae?

The planetary nebulae He 2-436 and Wray 16-423 in the Sagittarius dwarf galaxy appear to result from nearly twin stars, except that third-dredge-up carbon is more abundant in He 2-436. A thorough photoionization-model analysis implies that ratios Ne/O, S/O and Ar/O are significantly smaller in He 2436, indicative of third-dredge-up oxygen enrichment. The enrichment of oxygen with respect to car...

Includes bibliographies.