... 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 decomposed into two elastic...

... 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 (ASME [( 1 )]) or fitness-for-service assessments (API 579...

... 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 and the location...

... elastoplasticity finite element analysis plates (structures) tensile strength limit load combined loading embedded crack off-set crack plate Part of the content was presented at ASME PVP 2008. In a structural integrity assessment using the R6 procedure [( 1 )], limit load is one...

... 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. Residual radial displacement of tube end 19 04 2011 01 10 2011 31 10 2011 31 10 2011 elastoplasticity finite...

...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...

... by 42%. It is thus recommended that a reinforcement pad should be used for hot-tapped connections to ensure the safety and life of such a pipeline. 08 03 2010 15 12 2010 14 07 2011 14 07 2011 elastoplasticity finite element analysis mechanical strength pipelines...

... assumptions made in the elastic analysis are valid for this configuration. 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 sheet design...

... 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...

... of stress-strain relations obtained by numerical analysis. 12 11 2006 25 08 2009 29 03 2011 29 03 2011 brittle fracture elastoplasticity fracture toughness numerical analysis pipelines pipes steel stress-strain relations tensile strength welding yield stress...

...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...

... estimation. cracks elastoplasticity fracture mechanics fracture toughness fracture toughness testing notch strength steel structural engineering work hardening yield stress 27 10 2008 01 02 2010 23 07 2010 23 07 2010 2010 American Society of Mechanical...

.... 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...

... 2009 17 11 2009 31 03 2010 31 03 2010 cracks elastoplasticity finite element analysis fracture toughness stress-strain relations finite element analysis constraint dynamic load crack-tip stress field asymptotic solution elastic-plastic material Fracture...

... 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. 01 01 2009 13 05 2009 15 12 2009 15 12 2009 elastoplasticity failure analysis finite element analysis fracture mechanics yield strength There are several structural...

... 2009 elasticity elastoplasticity finite element analysis notch strength shapes (structures) stress-strain relations notch stress-strain conversion (NSSC) reference stress elastic-plastic Engineering components contain geometrical discontinues, such as fillets, holes...

... 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...