نتایج جستجو برای: infinite thick walled cylinder
تعداد نتایج: 135665 فیلتر نتایج به سال:
Diabetic retinopathy has been examined in dogs made diabetic by bovine growth hormone or alloxan, and in humans. The thin-walled microaneurysm is a simple expansion of the circumference of the capillary with basement membrane thickening. The thick-walled microaneurysm represents the deposition of considerable debris between layers of thickened basement membrane, as well as compression phenomeno...
An alternating method, in conjunction with the finite element method and a newly developed analytical solution for an elliptical crack in an infinite solid, is used to determine stress intensity factors for semi-elliptical surface flaws in cylindrical pressure vessels. The present finite element alternating method leads to a very inexpensive procedure for routine evaluation of accurate stress i...
We match the vacuum, stationary, cylindrically symmetric solution of Einstein's field equations with Λ, in a form recently given by Santos, as an exterior to an infinite cylinder of dust cut out of a Gödel universe. There are three cases, depending on the radius of the cylinder. Closed timelike curves are present in the exteriors of some of the solutions. There is a considerable similarity betw...
Repeatable and accurate evaluation of flaws from the inaccessible sides of thick-walled structures is still remained as one of the hurdles in the field of NDE of flaws. The present paper describes the development of an effective DC potential-drop measuring system for evaluating the response of rear wall flaws, especially in thick-walled structures, in which an ideal averaging scheme is introduc...
The negative pressure in the extradural space is the result of the interaction of hydrostatic forces created between the vertebral canal (a stiff-walled cylinder) and the dura mater, with its content of cerebro-spinal fluid (CSF), which behaves as a cylinder that can collapse according to the position of the subject. In order to corroborate this hypothesis, we have designed a model formed by a ...
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