..., a brief review of the multiplicative decomposition of the deformation gradient in the elastoplasticity context was brought up. The deformation is decomposed into the product of elastic and a plastic process. It was shown that based on the logarithmic strain measure, the total strain can be additively...

.../1.2716434 19 04 2011 22 08 2011 19 01 2012 19 01 2012 elastoplasticity plastic deformation structural engineering Limit load of a structure represents the load at the onset of unconstrained plastic flow, and determination of the load is part of analysis for design...

... clamps elastoplasticity elongation fasteners finite element analysis plastic deformation Bolted Joint Behavior Yield Tightening Clamp Load Loss Bolted joints are often subjected to various forms of service separating loads that may be static or dynamic in nature. Both the type...

... ) 3 + 0 . 4794 ( ϕ α ) 2 + ( 2 β - 2 . 084 ) ( ϕ α ) - 2 k α β = 0 24 07 2010 24 11 2010 01 12 2011 01 12 2011 bending cracks elastoplasticity finite element analysis plates (structures) tensile...

... of the welding on the structural integrity of tube-to-tubesheet joints should be taken into account when utilizing the technique of welding after hydraulic expansion. 19 04 2011 01 10 2011 31 10 2011 31 10 2011 elastoplasticity finite element analysis heat exchangers mechanical...

...David W. Nicholson; Thomas W. Silvers In finite element analysis of pressure vessels undergoing elastoplastic deformation, low stiffness of the tangent modulus tensor will engender low stiffness in the tangent stiffness matrix, posing a risk of computational difficulties such as poor convergence...

..., supported by elastoplastic finite element analyses, is used. Several variable amplitude loadings were selected and analyzed, using alternative configurations of kinematic hardening plasticity models (e.g., Chaboche’s model with distinct constants superposition). The predictions are assessed using available...

... results, a parametric analysis of the plastic limit pressure was carried out and resulted in the development of formulas useful for the design of hot-tapped pipelines. 08 03 2010 15 12 2010 14 07 2011 14 07 2011 elastoplasticity finite element analysis mechanical strength...

... and shutdown operations during the life of the plant is expected to be in the region of 50. 01 10 2010 08 02 2011 09 05 2011 09 05 2011 design engineering elastoplasticity heat exchangers pipes plastic deformation stress analysis work hardening Conventional tube...

... materials, respectively. 30 12 2009 29 06 2010 01 04 2011 01 04 2011 curve fitting elastoplasticity heat exchangers pipes reliability stress-strain relations tube-to-tubesheet joint initial clearance material strain hardening expanding pressure analytical model...

... elastoplasticity fracture toughness numerical analysis pipelines pipes steel stress-strain relations tensile strength welding yield stress 2011 American Society of Mechanical Engineers ...

...Eduard Marenić; Ivica Skozrit; Zdenko Tonković In the present paper, calculations of the stress intensity factor (SIF) in the linear-elastic range and the J -integral in the elastoplastic domain of cracked structural components are performed by using the shell-to-solid submodeling technique...

.... Kumar , V. , German , M. D. , and Shih , C. F. , 1981 , “ An Engineering Approach for Elastic-Plastic Fracture Analysis ,” EPRI NP-1931. 27 10 2008 01 02 2010 23 07 2010 23 07 2010 cracks elastoplasticity fracture mechanics fracture toughness fracture...

.... The results show that the proposed equation resulting from the parametric analysis can be employed to predict the static burst pressure of cylindrical shell intersections for a wide range of geometric ratios. 14 07 2009 21 11 2009 04 05 2010 04 05 2010 elastoplasticity finite...

.... 23 – 43 . 10.1016/0022-5096(91)90029-N Sharma , S. M. , and Aravas , N. , 1991 , “ Determination of Higher-Order Terms in Asymptotic Elastoplastic Crack Tip Solutions ,” J. Mech. Phys. Solids 0022-5096 , 39 , pp. 1043 – 1072 . 10.1016/0022-5096(91)90051-O Hutchinson , J...

... Koiter’s theorem. Furthermore, the results are compared with cycle-by-cycle method based on nonlinear material properties. 03 07 2008 28 09 2009 26 01 2010 26 01 2010 elastoplasticity finite element analysis nuclear power stations elastic-plastic cyclic load shakedown...

... in terms of the radial displacement. The mathematical model is based on the idea of solving the elastoplastic autofrettage problem using the form of the elastic solution. Substituting Hooke’s equations into the equilibrium equation and using the strain-displacement relations yield a differential equation...

... -integral FAD approach but can be compared with ease by plotting both approaches in a FAD format. elastoplasticity failure analysis finite element analysis fracture mechanics yield strength This study attempts to confirm FAD suitability by numerically quantifying the impact of negative...

... is compared with elastic-plastic finite element analysis for several notch configurations exhibiting two-dimensional and three-dimensional effects. elasticity elastoplasticity finite element analysis notch strength shapes (structures) stress-strain relations notch stress-strain conversion (NSSC...

... experience gained throughout the years. However, this is not sufficient to avoid occasional unsatisfactory operating joints and more research is required. elastoplasticity failure (mechanical) finite element analysis internal stresses mechanical contact pipes sheet materials work hardening...