Aabhas Singh
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View article: Realizing the Materials-Designed-To-Environments Promise of Additive Manufacturing Through a Fundamentally Different Approach to Optimization of Nonlinear Solid Mechanics Structures
Realizing the Materials-Designed-To-Environments Promise of Additive Manufacturing Through a Fundamentally Different Approach to Optimization of Nonlinear Solid Mechanics Structures Open
View article: Investigation into Potential Modal Coupling in a Bolted Structure Using a Nonlinear ROM and QSMA.
Investigation into Potential Modal Coupling in a Bolted Structure Using a Nonlinear ROM and QSMA. Open
View article: Exploiting Buckling and Contact: Exploring a New Approach for Tackling Shape and Topology Optimization With Challenging Solid Mechanics Behavior
Exploiting Buckling and Contact: Exploring a New Approach for Tackling Shape and Topology Optimization With Challenging Solid Mechanics Behavior Open
View article: Simultaneous Direct Time Fitting of a Multi-Mode Response to Determine the Instantaneous Frequency and Damping
Simultaneous Direct Time Fitting of a Multi-Mode Response to Determine the Instantaneous Frequency and Damping Open
View article: Multi-mode quasi-static excitation for systems with nonlinear joints
Multi-mode quasi-static excitation for systems with nonlinear joints Open
View article: Using Reduced Order Models to Predict Modal Coupling in Jointed Structures.
Using Reduced Order Models to Predict Modal Coupling in Jointed Structures. Open
View article: Multi-Mode Quasi-Static Loading and Interface Reduction to Model Joint Nonlinearity.
Multi-Mode Quasi-Static Loading and Interface Reduction to Model Joint Nonlinearity. Open
several orders of magnitude more expensive than quasi-static analysis. This work explores an alternative where quasi-static forces are applied in the shapes of two or more modes of vibration simultaneously, and the resulting load–displacem…
View article: Substructure Interface Reduction with Iwan Elements to Capture Nonlinearity for Bolted Structures.
Substructure Interface Reduction with Iwan Elements to Capture Nonlinearity for Bolted Structures. Open
View article: Nonlinear Dynamic Analysis of a Shape Changing Finger-like Mechanism for Morphing Wings.
Nonlinear Dynamic Analysis of a Shape Changing Finger-like Mechanism for Morphing Wings. Open
View article: Multi-mode Quasi-static Excitation for Systems with Nonlinear Joints.
Multi-mode Quasi-static Excitation for Systems with Nonlinear Joints. Open
View article: Substructure Interface Reduction Techniques to Capture Nonlinearities in Bolted Structures
Substructure Interface Reduction Techniques to Capture Nonlinearities in Bolted Structures Open
Structural dynamic finite element models typically use multipoint constraints (MPC) to condense the degrees of freedom (DOF) near bolted joints down to a single node, which can then be joined to neighboring structures with linear springs o…
View article: Influences of Modal Coupling on Nonlinear Modal Models.
Influences of Modal Coupling on Nonlinear Modal Models. Open
View article: Influences of Modal Coupling on Experimentally Extracted Nonlinear Modal Models
Influences of Modal Coupling on Experimentally Extracted Nonlinear Modal Models Open
Research has shown that mechanical structures can be modeled as a combination of weakly nonlinear uncoupled modal models. These modal models can take many forms such as a basic cubic stiffness and damping force model, or a modal Iwan model…
View article: Spider Configurations for Models with Discrete Iwan Elements
Spider Configurations for Models with Discrete Iwan Elements Open
Lacayo et al. (Mechanical Systems and Signal Processing, 118: 133–157, 2019) recently proposed a fast model updating approach for finite element models that include Iwan models to represent mechanical joints. The joints are defined by usin…
View article: Experimental Characterization of a new Benchmark Structure for Prediction of Damping Nonlinearity.
Experimental Characterization of a new Benchmark Structure for Prediction of Damping Nonlinearity. Open