Analysis of the stress state of a flattened conical shell of moderate thickness with a structurally weakening hole

1988 ◽  
Vol 24 (9) ◽  
pp. 890-894
Author(s):  
V. I. Savchenko ◽  
V. V. Nakonechnyi
Keyword(s):  
1973 ◽  
Vol 95 (1) ◽  
pp. 201-207 ◽  
Author(s):  
S. I. Chou

Membrane stress state around an elliptic hole in a conical shell under tension is determined by perturbation in terms of a nondimensional cone angle ε and a nondimensional curvature parameter β. Stress state around the hole in terms of the eccentricity of the elliptic hole whose major axis makes an arbitrary angle with the axis of the shell is given. For a crack making an arbitrary angle with the axis of the shell, stress state in the vicinity of the crack tip is given and shows the inverse square root singularity peculiar to crack problems.


2014 ◽  
Vol 18 (2) ◽  
pp. 56-62 ◽  
Author(s):  
Edward Tertel ◽  
Piotr Kurylo ◽  
Wladyslaw Papacz

2015 ◽  
Vol 19 (3) ◽  
pp. 38-44
Author(s):  
Edward Tertel ◽  
Piotr Kuryło ◽  
Władysław Papacz

2015 ◽  
Vol 31 (1) ◽  
pp. 20-30 ◽  
Author(s):  
William S. Helton ◽  
Katharina Näswall

Conscious appraisals of stress, or stress states, are an important aspect of human performance. This article presents evidence supporting the validity and measurement characteristics of a short multidimensional self-report measure of stress state, the Short Stress State Questionnaire (SSSQ; Helton, 2004 ). The SSSQ measures task engagement, distress, and worry. A confirmatory factor analysis of the SSSQ using data pooled from multiple samples suggests the SSSQ does have a three factor structure and post-task changes are not due to changes in factor structure, but to mean level changes (state changes). In addition, the SSSQ demonstrates sensitivity to task stressors in line with hypotheses. Different task conditions elicited unique patterns of stress state on the three factors of the SSSQ in line with prior predictions. The 24-item SSSQ is a valid measure of stress state which may be useful to researchers interested in conscious appraisals of task-related stress.


Sign in / Sign up

Export Citation Format

Share Document