Elasto plastic stress and strain behaviour at notch roots under monotonic and cyclic loadings

... predictions indicate that these rules generally underpredict notch root stress and overpredict notch root strain for both notched roun d bars and flat plates and under both monotonic and cyclic loading conditions. ... OF STRAIN ANALYSIS VOL 36 NO 3 S04400 # IMechE 2001 300 Z ZENG AND A FATEMI

Ngày tải lên: 24/05/2014, 20:28

... underestimate the stress values for plane stress while may overestimate the strain levels depending on the model adopted and state of stress. Keywords. Stress concentration, notches, elastoplastic ... For plane stress states and full elastic behaviour, the stress at the notch root can be calculated based on the nominal stress and corrected by the theoretical...

Ngày tải lên: 24/05/2014, 20:32

Ngày tải lên: 18/03/2014, 18:20

... 2.5. 2.2 Strain and the Stress Strain Relations As with stresses, two types of strains exist: normal and shear strains, which are denoted by e and g, respectively. Normal strain is the rate of change ... Methods 9 Chapter 2 Stress and Strain: Important Relationships Understanding the physical properties of stress and strain is a prerequisite to utilizing the many method...

Ngày tải lên: 08/04/2014, 11:25

... and opposite tensile and compressive stresses and (ii) pure shearing stress. If the material is elastic, the strains E, and E~ caused by the direct stresses (T, are, from equations ... state of strain at a point of a material is defined in the two-dimensional case if the direct strains, E, and E~, and the shearing strain, y9, are known. Unfortunately, the...

Ngày tải lên: 08/04/2014, 11:27

... detection and size, who described significant differences of the radial and circumferential strain and strain rate by 2DST in normo-, hypo-, akinetic and dyskinetic seg- ments of post-infarct patients ... Imaging (TDI) and 2D Speckle Tracking (2DST) algorithms facilitate the assessment of tissue velocities and deformation markers. But only strain – procentual length alte...

Ngày tải lên: 25/10/2012, 11:15

... the operated extremity, the patient should be rather considered as a candidate for a resection arthroplasty and not for a spacer implantation. For prevention of any spacer dislocation due ... constructs failed at significant lower loads (pins at 832 N and nails at 1275 N, respectively). To our knowledge, there are no clinical data available that have demonstrated that the inse...

Ngày tải lên: 26/10/2012, 09:53

... Year Students At The University of Odonto and Stomatology” because I myself have profound understanding that reading can help learners to get information to the fullest, and that providing learners ... adaptation and evaluation” (Hutchinson and Waters, 1987: 157). So it is important that the ESP teacher must know something about the subject matters of the ESP materials. This mean...

Ngày tải lên: 07/11/2012, 14:50

... organize presentations which introduce and recommend card products and services at target corporate, institutions. At these presentations, the branch will introduce about its card products and services, ... and operates under Regulation on organization and operation of Agribank. Agribank Thanh Xuan provides products and services which serve: Services & Marketing De...

Ngày tải lên: 09/11/2012, 15:31