William G. Davids
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View article: Hybridizing Additive Manufacturing with Continuous Fiber Reinforced Thermoplastic Composites
Hybridizing Additive Manufacturing with Continuous Fiber Reinforced Thermoplastic Composites Open
Large Area Additive Manufacturing (LAAM) enables the rapid production of thermoplastic polymer structures but suffers from significant anisotropy and 3D printability limitations. These limitations often require additional material and time…
View article: Continuously Formed Fiber-Reinforced Thermoplastic Composite Rebar for Concrete Reinforcement
Continuously Formed Fiber-Reinforced Thermoplastic Composite Rebar for Concrete Reinforcement Open
Despite the strength and ductility of steel reinforcing bars, their susceptibility to corrosion can limit the long-term durability of reinforced concrete structures. Fiber-reinforced polymer (FRP) reinforcing bars made with a thermosetting…
View article: Development of a Novel Beam-Based Finite-Element Approach for the Computationally Efficient Prediction of Residual Stresses and Displacements in Large 3D-Printed Polymer Parts
Development of a Novel Beam-Based Finite-Element Approach for the Computationally Efficient Prediction of Residual Stresses and Displacements in Large 3D-Printed Polymer Parts Open
Recently, 3D printing of large, structural polymer parts has received increasing interest, especially for the creation of recyclable structural parts and tooling. However, the complexity of large-scale 3D polymeric printing often dictates …
View article: Behavior of Inflatable Drop-Stitch Fabric Panels Subjected to Bending and Compression
Behavior of Inflatable Drop-Stitch Fabric Panels Subjected to Bending and Compression Open
In this paper, the mechanics of inflatable drop-stitch panels are investigated, including the impact of large shear deformations, nonlinearity due to wrinkling of the panel skin that occurs under net compressive strain, work done by the co…
View article: In Situ, Real-Time Temperature Mapping and Thermal FE Simulations of Large-Format 3D Printed PETG/CF Vertical Wall
In Situ, Real-Time Temperature Mapping and Thermal FE Simulations of Large-Format 3D Printed PETG/CF Vertical Wall Open
This work focuses on simulating the thermal history of a vertical wall consisting of a thermoplastic composite material, poly(ethylene terephthalate) glycol (PETG) with short carbon fiber reinforcement, manufactured using a Big Area Additi…
View article: Development and Experimental Assessment of Friction-Type Shear Connectors for FRP Bridge Girders with Composite Concrete Decks
Development and Experimental Assessment of Friction-Type Shear Connectors for FRP Bridge Girders with Composite Concrete Decks Open
This paper details the development and experimental assessment of a friction-type connector, designed to transfer shear flow between the top flange of a fiber-reinforced polymer (FRP) tub girder and a composite concrete deck for bridge app…
View article: Simulating the Bending Behavior of Inflatable Drop-Stitch Fabric Panels
Simulating the Bending Behavior of Inflatable Drop-Stitch Fabric Panels Open
This presentation details the development of a novel, computationally efficient method for predicting the nonlinear bending behavior of inflated drop-stitch panels using Timoshenko beam elements.In contrast with conventional inflated fabri…