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RISPore Structure Modeling of Flow in Gas Diffusion Layers of Proton Exchange Membrane Fuel Cells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The gas diffusion layer (GDL) in a proton exchange membrane (PEM) fuel cell has a porous structure with anisotropic and non-homogenous properties. The objective of this research is to develop ...
On a Screw Dislocation Interacting With Two Viscous Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We investigate a screw dislocation interacting with two concentric circular linear viscous interfaces. The inner viscous interface is formed by the circular inhomogeneity and the interphase layer, ...
On Partially Debonded Circular Inclusions in Finite Plane Elastostatics of Harmonic Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We investigate a partially debonded circular elastic inclusion embedded in a particular class of harmonic materials by using the complex variable method under finite plane-strain deformations. A ...
Nonlinear Dynamics of a Magnetically Supported Rotor on Safety Auxiliary Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study concerns the dynamic response of a rotor landed on auxiliary (catcher) bearings in an Active Magnetic Bearing (AMB) supported rotor, following postulated loss of power or overload ...
Mesh Dependence and Nonlocal Regularization of One-Dimensional Strain Softening Plasticity
Publisher: American Society of Civil Engineers
Abstract: Finite-element analysis of strain localization based on classical theory of continuum mechanics suffers from pathological mesh dependence when strain softening models are used. For quasistatic problems, the mesh dependence ...
Interpretation of Experimental and Theoretical Data for Prediction of Mode Shapes of Vibrating Turbocharger Blades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The blading in large turbochargers is subjected to vibration excitation originating from pulsations in the exhaust gas stream coupled with the blade pass frequencies. The amplitude of vibrations ...
Adjoint Aerodynamic Design Optimization for Blades in Multistage Turbomachines—Part I: Methodology and Verification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The adjoint method for blade design optimization will be described in this two-part paper. The main objective is to develop the capability of carrying out aerodynamic blading shape design ...
Concurrent Blade Aerodynamic-Aero-elastic Design Optimization Using Adjoint Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Increasing aerothermal and aero-elastic performance requirements and constraints are closely linked in modern blading designs. There is thus a need for more concurrent interaction between the ...
An Edge Dislocation in a Three-Phase Composite Cylinder Model With a Sliding Interface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An exact elastic solution is derived in a decoupled manner for the interaction problem between an edge dislocation and a three-phase circular inclusion with circumferentially homogeneous sliding ...
Continuous Interface Elements Subject to Large Shear Deformations
Publisher: American Society of Civil Engineers
Abstract: : In this paper, an interface or joint subject to large shear deformation is modeled. In the proposed algorithm, continuous interface elements with a finite thickness are reconstructed at every load step based on current ...