... models numerical simulation finite element method localization limiters computational mechanics failure criteria constitutive modeling of materials Army Research Office 10.13039/100000183 W911NF-19-1-003 National Science Foundation 10.13039/100000001 CMMI-202964...

... of A pplied M echanics . 13 12 2022 21 03 2023 23 03 2023 19 04 2023 kidney stone blockage ureter pain model finite element method computational mechanics constitutive modeling of materials elasticity mechanical properties of materials stress analysis National...

... 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. The discrete approximation...

... subjected to severe plastic deformations is found to be limited. Thus, it is a reasonable conjecture that there is only a minor influence of this microstructure generation method on the response of the bending tests with the crystal plasticity finite element method in this study. There are no conflicts...

... . 12 08 2022 13 09 2022 14 09 2022 06 10 2022 phase-field fracture cohesive zone law process zone crack growth finite element method constitutive modeling of materials flow and fracture micromechanics Division of Civil, Mechanical and Manufacturing Innovation...

... 2022 03 01 2022 21 01 2022 intracortical microprobe pneumatic-based insertion buckling tensile and compressive forces finite element method neural tissue damage Intracortical microprobes, unlike the electrodes used in electroencephalography (EEG) [ 1...

... 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...

... is performed to get a better approximation of the function between input and output. constitutive modeling of materials artificial neural network finite element method continuum damage model Constitutive modeling is vital for predicting the mechanical behavior of materials and structures...

... groups 1 Corresponding author. 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 the charge-induced...

...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...

... and load vector P are the same as those obtained by using the regular finite element method. The strain-displacement matrix B in Eq. (6 g ) is obtained by appropriately differentiating and combining the shape functions, N . It is noteworthy from Eq. (6) that (a) the total DoF of the system...

... of the ongoing localized strain before fracture occurs. laminated composites neck retardation dynamic loading diffused necking localized necking rate sensitivity finite element method An elastic-viscoplastic based finite element model has been developed to study the necking behavior of tube...

... layer. localized necking rate sensitivity laminated sheet sheet forming finite element method It has been demonstrated that sheet metal formability can be enhanced by designing composites in which the detailed microstructures and mechanical properties can be varied spatially...

... 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...

... equation supplemented by a nonlinear Neumann boundary condition enforced by the p H-dependent surface charge. Such a local problem is discretized by the finite-element method and numerically solved in a domain composed of two parallel particles associated with a stratified microstructure to obtain...

...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...