Buckling analysis of eccentrically stiffened functionally graded circular cylindrical thin shells under mechanical load

... understanding the mechanical behavior for this underlying technology, and state of the objectives of this study Chapter Two describes the design and implementation of stretchable silicon systems and ... Profile of silicon ribbon 50 100 Distance (m) (b) Wavelength and amplitude Figure 2-12 AFM images and relief profiles of wavy silicon ribbons Figure 2-13 Silicon...

Ngày tải lên: 14/09/2015, 08:42

... investigation of thermal buckling investigation included evaluated the mechanical and thermal properties of unidirectional and woven reinforcement fiber, then, evaluated of the thermal buckling of composite ... solution of critical buckling temperature of orthotropic unidirectional and woven composite plate with different aspect ratio of pl...

Ngày tải lên: 09/09/2015, 10:17

... properties of stiffened shell The cylindrical shell has a stiffened shell of different helix angles, thickness, height and number of stiffeners The heights of stiffeners have variable values of (1cm ... damping ratio of the stiffened cylinder Through the analysis of the accelerometer signal with sig-view software, the fundamental natural frequency of the stiff...

Ngày tải lên: 09/09/2015, 10:17

... HYDROELASTIC ANALYSIS OF CIRCULAR VERY LARGE FLOATING STRUCTURES BY LE THI THU HANG B.E (Hanoi University of Civil Engineering) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... Figure 1.11 Types of Floating Structures This thesis deals with the hydroelastic analysis of pontoon-type circular VLFSs under action of waves Both uniform circular...

Ngày tải lên: 22/10/2015, 21:14

... báo này, tác giả xây dựng thuật to n PTHH giải to n động lực học phi tuyến FGM chịu tác dụng tải trọng khí động, xây dựng chương trình tính môi trường matlab tiến hành khảo sát số Nghiên cứu số ... P 2, P hệ số nhiệt độ; T - nhiệt độ (K) 2.2 Mô hình to n giả thiết Tấm vật liệu có tính biến thiên, chịu tác dụng lực khí động gây dòng khí có vận t...

Ngày tải lên: 08/06/2016, 12:59

... trình nghiên cứu khác 2.2 Mô hình to n giả thiết Vỏ trụ thoải vật liệu có tính biến thiên, chịu tác dụng tải trọng điều hòa phân bố, có chiều dọc trục Oy hợp với mặt phẳng xOy góc α, kích thước vỏ ... này, tác giả xây dựng thuật to n PTHH giải to n động lực học phi tuyến vỏ FGM chịu tác dụng tải trọng động, xây dựng chương trình tính ngôn ngữ m...

Ngày tải lên: 08/06/2016, 12:59

... the ratio of core thickness to beam height as well as the loading parameters on the vibration characteristics of the beam MATHEMATICAL FORMULATION Figure shows a simply supported FG sandwich ... dynamic behavior of the structure when it subjected to moving loads The present work aims to study the vibration of an FG sandwich beam excited by a moving harmonic load,...

Ngày tải lên: 08/06/2016, 13:00

... strain of stiffened composite plate is obtained by N si U  U P  U st (7) i 1 where N st is the number of stiffeners NUMERICAL RESULTS Consider an optimization analysis of a composite plate stiffened ... displacements of beam and r , s are the rotations of beam around r-axis and s-axis Figure A plate composite stiffened by an r-direction stiffener * En...

Ngày tải lên: 08/06/2016, 14:10

... result list of load cases, superposition files and influence lines 3.64 Version 8.38.03 • • • • Use of combination codes “SupOrX” and “SupAndX” for superposition files corrected New command “PLSCFAC” ... to choose between E- and Fformat of the written values Information about units added to the plot file of the action PlInfl, screen plot Results/ PlInfl and to the list file o...

Ngày tải lên: 06/09/2012, 15:18

... Disclaimer and Copyright Disclaimer Much time and effort have gone into the development and documentation of RM2000 and GP2000 The programs have been thoroughly tested and used The user accepts and ... the two load sets and the two loading cases (e.g.: L.C is a UDL of 10kN/m from Elem to Elem 20 and L.C is a Settlement of 0.001m at the beginning of element 1200.) Choos...

Ngày tải lên: 06/09/2012, 15:55

... article as: Kollef et al., Medical resource utilization among patients with ventilator-associated pneumonia: pooled analysis of randomized studies of doripenem versus comparators Critical Care ... study design, analysis of results, interpretation of findings, and drafting of the paper Independent statistical analysis The accuracy of the data analysis...

Ngày tải lên: 25/10/2012, 10:02

... pressure, and heart rate Conclusions Velocity Vector imaging (VVI) is a clinically feasible approach for strain measurements in infarcted myocardium allowing an accurate assessment of global and regional ... Duan Y, Yuan L, Yang Y Velocity vector imaging in assessing the regional systolic function of patients with post myocardial infarction Echocardiograph...

Ngày tải lên: 25/10/2012, 11:15

... city of residence defined the parameters of the samples Measurement of Laughter Laughter was assessed by two questions, Laughter Q1 and Laughter Q2 Laughter Q1 How many times you laugh in one day? ... influence their laughter Neurophysioanatomy of Laughter The neuro-anatomical pathway for laughter has finally been understood after twenty years of research A s...

Ngày tải lên: 26/10/2012, 09:57

... discrepancy problem and facilitate international trade activities using L/C product Aims of the study This study, An analysis of key changes in UCP 600 compared to UCP 500 and Recommendations for better ... II: Key changes under UCP 600 in comparison to UCP 500 , points out structural changes as well as key changes in UCP 600 in compari...

Ngày tải lên: 27/10/2012, 16:40