... across the fracture process zone is non-uniform but smoothed. The standard boundary conditions of the finite element method apply. Numerical simulations document that the crack band propagates through regular rectangular meshes with virtually no directional bias. Fig. 1 ( a ) If free energy density...

... homogenization models, the influence of the grain structure and the inhomogeneities inside grains are not included. In contrast, the full-field methods, such as the crystal plasticity finite element method (CP-FEM), are capable of accounting for stress equilibrium and compatibility across grain boundaries, local...

....2016.05.015 [60] Moës , N. , Dolbow , J. , and Belytschko , T. , 1999 , “ A Finite Element Method for Crack Growth Without Remeshing ,” Int. J. Numer. Methods Eng. , 46 ( 1 ), pp. 131 – 150 . <131::AID-NME726>3.0.CO;2-J [61] García , I. G. , Paggi , M...

... with different lengths and wall thicknesses The obtained critical buckling force based on the analytical and finite element methods for the studied microprobes are compared in Table 1 . The acceptable agreement between the results verifies accuracy of the proposed model. Furthermore, the result confirms...

... develop a numerical approach based on the finite element method (FEM) to predict the morphology of wrinkled DE membranes mounted on a rigid frame. The approach includes two steps: (I) pre-buckling and (II) post-buckling. In step I, the first buckling mode of the DE membrane is investigated by substituting...

...: kailaix@stanford.edu Contributed by the Applied Mechanics Division of ASME for publication in the J ournal of A pplied M echanics . 26 02 2020 21 04 2020 21 04 2020 14 05 2020 constitutive modeling of materials artificial neural network finite element method...

... Qu. 14 02 2019 05 05 2019 06 05 2019 polar dielectric elastomer dielectric imperfection finite element method electromechanical instability Electroactive elastomers are a class of elastomers whose shape is sensitive to electrical stimuli. In 1880, Rontgen observed...

...Jianyong Chen; Hailong Wang; K. M. Liew; Shengping Shen Based on the irreversible thermodynamics, a fully coupled chemomechanical model, i.e., the reaction–diffusion–stress model, is proposed and implemented numerically into the finite element method (FEM) with user-defined element (UEL...

... is efficient, simple, and reliable for textile composite structural analysis. textile composite structure shell element finite element method embedded element method This paper is concerned with the development of a shell element for analyzing thin-walled textile composite structural...

... in a laminated sheet improves the sheet ductility. laminated composites neck retardation dynamic loading diffused necking localized necking rate sensitivity finite element method The fracture of a ductile metal starts with the onset of necking. The plastic deformation accumulates...

... layer. localized necking rate sensitivity laminated sheet sheet forming finite element method In the case of monolithic rate-sensitive material, i.e., m c = m b = m , k c = k b = k , and N c = N b = N , (7...

... For the frequency response analysis of the structural-acoustic system with interval parameters, a modified interval perturbation finite element method (MIPFEM) is proposed. In the proposed method, the interval dynamic equilibrium equation of the uncertain structural-acoustic system is established. The interval...

... and high scalability, and it may have broad applications in other implicit simulations. super large linear equations parallel computing finite element method iterative algorithm hierarchical Many numerical simulations in engineering and scientific fields involve solving large scale sparse...

... the pH -dependency. The two-scale model is discretized by the finite element method and applied to numerically simulate a free swelling experiment induced by chemical stimulation of the external bulk solution. swelling porous media disjoining pressure Poisson–Boltzmann pH homogenizaton ion...

...Ali Triki Manuscript received July 20, 2010; final manuscript received July 25, 2012; accepted manuscript posted August 17, 2012; published online January 15, 2013. Assoc. Editor: Arif Masud. 20 07 2010 25 07 2012 17 08 2012 Based on the finite element method...

...H. X. Li A nonlinear mathematical programming approach together with the finite element method and homogenization technique is developed to implement kinematic shakedown analysis for a microstructure under cyclic/repeated loading. The macroscopic shakedown limit of a heterogeneous material...

... fraction, as well as microscopic parameters, such as the characterized distributions of the osteons diameters. Bone local mechanical properties are measured by nanoindentation and microextensometry. The three-dimensional microstructures are discretized by a finite element method in order to evaluate...

... of geometrical irregularities or damages of the bullet core, affecting its dynamic characteristics. Computational finite element method (FEM) with the computational fluid dynamic (CFD) module was used for the numerical simulation of 7.62 mm bullets with partial core, subjected to different air flow conditions...

... shock. The problem is solved by using a finite element method. The results, regarding temperature, stresses, displacements, microrotation, and microstretch, are presented graphically. Comparisons are made among the results derived from different generalized thermoelastic theories to show...

... and other nanoscale devices. 27 02 2010 28 12 2010 05 01 2011 16 02 2011 16 02 2011 beams (structures) deformation elasticity finite element analysis nanoelectromechanical devices surface energy beams finite element method nanotechnology surface elasticity...