Journal of Engineering Mechanics: Recent submissions
Now showing items 401-420 of 7001
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Stress Concentration of a Microvoid Embedded in a Bilayered Material Considering the Boundary Effects
(American Society of Civil Engineers, 2023/02/01)This paper extends Eshelby’s problem of one inhomogeneity embedded in a homogeneous infinite domain to a bimaterial infinite domain. The equivalent inclusion method (EIM) was used to simulate the inhomogeneity of an inclusion ... -
Time-Dependent Fracture Behavior of Rock–Concrete Interface Coupling Viscoelasticity and Cohesive Stress Relaxation
(American Society of Civil Engineers, 2023/02/01)This study investigated the time-dependent crack propagation of the rock–concrete interface under sustained loading. First, sustained loading tests were performed on the composite rock–concrete beams under three-point ... -
Simulation of the Behavior of Structured Clay Using Nonassociated Constitutive Model with and without Anisotropic Fabric at Critical State
(American Society of Civil Engineers, 2023/03/01)In this paper, a modified/extended rotational hardening (RH) rule is applied to the nonassociated simple anisotropic constitutive model, SANICLAY-D, for clayey soils. In the proposed model, the destructuration mechanism, ... -
Flexural Wave Propagation in a Double-Beam System Interconnected by Local Resonators with Two Degrees of Freedom
(American Society of Civil Engineers, 2023/02/01)The flexural band gaps in a double-beam system on elastic foundations periodically interconnected by local resonators with two degrees of freedom were investigated using the plane wave expansion method. The transmission ... -
A Study on the Initiation of Discontinuities in Hypoplastic Granular Materials for Some Simple Motion Fields in Classical Continua
(American Society of Civil Engineers, 2023/01/01)Some theoretical criteria are set forth to study the onset of a strong and/or a weak discontinuity in hypoplastic granular materials under some simple motion fields. The theoretical criteria were based on direct analysis, ... -
Approach on Centroid Angle–Based Reverse Motion for Hexahedral Mesh of Vector Form Intrinsic Finite Element
(American Society of Civil Engineers, 2023/01/01)The virtual reverse motion is a vital procedure of the vector form intrinsic finite-element (VFIFE) method to derive pure nodal deformation. Because the development of VFIFE, especially for hexahedral elements, is still ... -
Development and Validation of a Nonlinear Model to Describe the Tension–Compression Behavior of Rubber-Like Base Isolators
(American Society of Civil Engineers, 2023/02/01)The fractional-order derivative Zener (FDZ) model can reasonably predict the frequency dependence behavior of rubber-like materials. However, its capability to capture nonlinear behaviors is limited. In our previous work, ... -
Postcritical Behavior of Nonlocal Strain Gradient Arches: Formulation and Differential Quadrature Solution
(American Society of Civil Engineers, 2023/02/01)Arches are important components in nanostructures and systems. Because of the remarkable strength of nanomaterials, nanoarches are slender, thus enhancing their vulnerability to geometric instability, such as buckling. ... -
Evolution of Void Fabrics and Their Effects on Liquefaction Behaviors of Granular Soils: Insight from DEM-Clump Simulation
(American Society of Civil Engineers, 2023/06/01)Previous studies have demonstrated that macroscopic liquefaction behavior is closely related to the evolution of the microstructure (fabric) of soils. Here we perform three-dimensional (3D) discrete-element method (DEM) ... -
Application of q-HATM over Fractional in Time Model for Advection-Dispersion Equation with Variable Migration Parameters
(American Society of Civil Engineers, 2023/06/01)In this article, an extended and more generalized method of homotopy analysis method (HAM), known as q-homotopy analysis transform method (q-HATM) is employed to develop solutions for highly nonlinear form of various ... -
The Effect of Prior Parameters in a Bayesian Approach to Inferring Material Properties from Experimental Measurements
(American Society of Civil Engineers, 2023/03/01)A Bayesian formulation for inference of material properties from experimental signals is proposed with a normal likelihood quantifying noise and an inverse gamma prior expressing uncertainty about noise variance. Asymptotic ... -
Rutting Predictions in Flexible Airfield Pavements Using a Newly Modified Drucker–Prager Combined Hardening Model with Progressively Evolving Yield Surface
(American Society of Civil Engineers, 2023/02/01)Granular materials subjected to compressive cyclic loading of constant amplitude when modeled using an isotropic hardening, elastoplastic Drucker-Prager (DP) model do not accumulate significant plastic strain beyond the ... -
Eigenmodes Solution and Analysis of Combined Structures Using Improved Coupling Energies
(American Society of Civil Engineers, 2023/05/01)In this paper, improved coupling energies are developed for the vibration analysis of combined structures having coordinate systems in different directions. The in-plane and transverse vibration displacements for the ... -
Multiple Timescale Spectral Analysis of Floating Structures Subjected to Hydrodynamic Loads
(American Society of Civil Engineers, 2023/03/01)The determination of the long-term extreme distribution for a wave-loaded structure requires computing the second-order statistics of the responses and their time derivatives under various short-term sea states. In a ... -
DeepFEM: A Novel Element-Based Deep Learning Approach for Solving Nonlinear Partial Differential Equations in Computational Solid Mechanics
(American Society of Civil Engineers, 2023/02/01)In this paper, an element-based deep learning approach named DeepFEM for solving nonlinear partial differential equations (PDEs) in solid mechanics is developed to reduce the number of sampling points required for training ... -
Elastic Bifurcation, Postbuckling Behavior, and Collapse of Thin-Walled Regular Polygonal Columns
(American Society of Civil Engineers, 2023/01/01)This paper summarizes recent findings concerning the elastic bifurcation and postbuckling behaviors of thin-walled regular convex polygonal tubes subjected to uniform compression. Such cross sections exhibit rotational ... -
Stability of Segmented Circular Arch under Constant Pressure
(ASCE, 2022/12/01)The N-segment circular arch with rigid members and semirigid joints under external pressure is studied. The problem is formulated in coupled difference equations. An efficient initial value method is presented to solve the ... -
Revisiting Preparation of Phase Space for Learning Path-Dependent Behavior via Deep Neural Networks
(ASCE, 2022/12/01)This technical note investigates the preparation of a phase space of two simple constitutive laws, von Mises (J2) and Drucker-Prager (DP) models, for deep neural networks with special attention to elastic and plastic data ... -
Direct Derivation of Streamwise Velocity from RANS Equation in an Unsteady Nonuniform Open-Channel Flow
(ASCE, 2022/12/01)This study investigates the vertical profile of streamwise (longitudinal) velocity in an unsteady and nonuniform open-channel turbulent flow. In contrast to the previous works, a direct derivation for velocity distribution ... -
Method and Theory for Conversion of Distributed Fiber-Optic Strains to Crack Opening Displacements
(ASCE, 2022/12/01)A new method for conversion of the distributed strain measurements to crack opening displacements (CODs) in structural elements is introduced. A hybrid approach involving theoretical and experimental strain distribution ...