Scott E. Stapleton
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View article: Influential Microstructural Descriptors for Predicting Mechanical Properties of Fiber-Reinforced Composites
Influential Microstructural Descriptors for Predicting Mechanical Properties of Fiber-Reinforced Composites Open
Fiber-reinforced composites contain microscale features such as variations in local fiber volume fraction, fiber clusters, and resin-rich regions, which may impact mechanical properties. Microscale models need to be large enough to capture…
View article: The Investigation of the Mechanical Behavior of a Braided Parachute Suspension Line Using a Mesomechanical Finite Element Model
The Investigation of the Mechanical Behavior of a Braided Parachute Suspension Line Using a Mesomechanical Finite Element Model Open
Parachute suspension lines shed vortices during descent, and these vortices develop oscillating aerodynamic forces that can induce forced parasitic vibrations of the lines, which can have an adverse impact on the parachute system. Understa…
View article: The Investigation of the Mechanical Behavior of a Braided Parachute Suspension Line using a Mesomechanical Finite Element Model
The Investigation of the Mechanical Behavior of a Braided Parachute Suspension Line using a Mesomechanical Finite Element Model Open
Parachute suspension lines shed vortices during descent, and these vortices develop oscillating aerodynamic forces that can induce forced parasitic vibrations of the lines that have an adverse impact on the parachute system. Understanding …
View article: Numerical prediction strategy of fabric in‐plane permeability considering realistic inter‐ and intra‐tow geometry
Numerical prediction strategy of fabric in‐plane permeability considering realistic inter‐ and intra‐tow geometry Open
Permeability quantifies the flow conductivity of fabric reinforcements and is key to predicting mold filling times and resin flow in liquid composite molding (LCM). Flow depends on the micron‐level channels within the tows and the millimet…
View article: An Algorithm for Modeling Thermoplastic Spherulite Growth Using Crystallization Kinetics
An Algorithm for Modeling Thermoplastic Spherulite Growth Using Crystallization Kinetics Open
Crystallization kinetics were used to develop a spherulite growth model, which can determine local crystalline distributions through an optimization algorithm. Kinetics were used to simulate spherulite homogeneous nucleation, growth, and h…
View article: Probabilistic Neural Networks (PNNs) for Modeling Aleatoric Uncertainty in Scientific Machine Learning
Probabilistic Neural Networks (PNNs) for Modeling Aleatoric Uncertainty in Scientific Machine Learning Open
This paper investigates the use of probabilistic neural networks (PNNs) to model aleatoric uncertainty, which refers to the inherent variability in the input-output relationships of a system, often characterized by unequal variance or hete…
View article: Two-Stage Surrogate Modeling for Data-Driven Design Optimization with Application to Composite Microstructure Generation
Two-Stage Surrogate Modeling for Data-Driven Design Optimization with Application to Composite Microstructure Generation Open
This paper introduces a novel two-stage machine learning-based surrogate modeling framework to address inverse problems in scientific and engineering fields. In the first stage of the proposed framework, a machine learning model termed the…
View article: Probabilistic Neural Networks (PNNs) for Modeling Aleatoric Uncertainty in Scientific Machine Learning
Probabilistic Neural Networks (PNNs) for Modeling Aleatoric Uncertainty in Scientific Machine Learning Open
This paper investigates the use of probabilistic neural networks (PNNs) to model aleatoric uncertainty, which refers to the inherent variability in the input-output relationships of a system, often characterized by unequal variance or hete…
View article: Correction: Multiscale Modeling of Thermoplastics Using Atomistic-informed Micromechanics
Correction: Multiscale Modeling of Thermoplastics Using Atomistic-informed Micromechanics Open
A multiscale model was developed for predicting the thermoelastic behavior of semi-crystalline thermoplastic materials for composite aerospace applications.At the highest scale containing the semi-crystalline spherulite in an amorphous mat…
View article: Characterization of main pulmonary artery and valve annulus region of piglets using echocardiography, uniaxial tensile testing, and a novel non-destructive technique
Characterization of main pulmonary artery and valve annulus region of piglets using echocardiography, uniaxial tensile testing, and a novel non-destructive technique Open
Characterization of cardiovascular tissue geometry and mechanical properties of large animal models is essential when developing cardiovascular devices such as heart valve replacements. These datasets are especially critical when designing…
View article: Mesomechanical Modeling of Braided Cords
Mesomechanical Modeling of Braided Cords Open
Braided-cord reinforced textile composites have the potential to be a material system choice that can offer comparable specific-strength and specific-stiffness properties as woven and uniaxial fabric-reinforced composites with the added be…
View article: Comparison of Fiber Microstructural Characteristics for Two Grades of Carbon Fiber Composites
Comparison of Fiber Microstructural Characteristics for Two Grades of Carbon Fiber Composites Open
One of research thrusts to push the limits of advanced fiber reinforced composites is to determine the link between manufacturing, resulting microstructure, and final structural properties. By bridging the gap between these topics, not onl…
View article: Micro-scale model for a multi-scale modeling approach of thermoplastic fiber reinforced polymers
Micro-scale model for a multi-scale modeling approach of thermoplastic fiber reinforced polymers Open
Thermoplastic fiber reinforced composites (TPFRCs) are becoming more important due to the potential of short part cycle times and recyclability. One major problem of these materials is process stability. During processing, unwanted distort…
View article: 1 Macroscopic Finite Element for a Single Lap Joint
1 Macroscopic Finite Element for a Single Lap Joint Open
Macroscopic finite elements are elements with an embedded analytical solution used to carry out efficient, mesh independent finite element analysis. In the present study, this method of macro elements was applied to a single lap joint. The…